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Species grouping :

Genus :
Species :

Common name :
Algae       79 Species found
Phanerogams
Halodule uninervis Distribution

Narrowleaf seagrass
Einnerviges Seegras
Halodule à trident
Cesped marino
Halodule a foglie strette
The tropical Pacific
The Red Sea
The Indian Ocean
Substrate and environment
  • The species is generally found in a sandy/silty area
  • The species forms large meadows
  • The species can be found between 0 and 10 Meters
  • Common species.
  • General characteristics of the species
  • Height of the alga : 15 cm
  • Length of the leaf : 150 mm
  • Relationship with humans
  • The species can be eaten but is of no particular culinary interest
  • The species is exploited in the following sector(s) :
    - Aquarium enthusiasts.

  • Posidonia oceanica Distribution

    Ocean grass-wrack
    Alga der Griechen
    Neptunusgras
    Posidonie
    Alga marina
    Allega aliga
    The Mediterranean
    Substrate and environment
  • The species is generally found in a sandy/silty area
  • The species forms large meadows
  • The species can be found between 1 and 40 Meters
  • Very common species.
  • Endemic species.
  • General characteristics of the species
  • Height of the alga : 100 cm
  • Diameter of the leaf : 10 mm
  • Length of the leaf : 0 mm
  • Relationship with humans
  • The species can be eaten but is of no particular culinary interest

  • Syringodium filiforme Distribution

    Manatee grass
    Seekuhgras
    Zeekoegras
    Herbe à lamentin
    Hierba de manatí
    The tropical Atlantic
    Substrate and environment
  • The species is generally found in a sandy/silty area
  • The species forms large meadows
  • The species can be found between 0 and 13 Meters
  • Common species.
  • General characteristics of the species
  • Height of the alga : 50 cm
  • Diameter of the leaf : 1 mm
  • Relationship with humans
  • The species can be eaten but is of no particular culinary interest
  • The species is exploited in the following sector(s) :
    - Aquarium enthusiasts.

  • Syringodium ispetifolium Distribution

    Noodle seagrass
    Brachsenkrautblätteriges Seegras
    Herbe à tortue
    Hierba cespitosa
    Syringodium
    The tropical Pacific
    The Red Sea
    The Indian Ocean
    Substrate and environment
  • The species is generally found in a sandy/silty area
  • The species forms large meadows
  • The species can be found between 0 and 15 Meters
  • Common species.
  • General characteristics of the species
  • Height of the alga : 30 cm
  • Length of the leaf : 300 mm
  • Relationship with humans
  • The species can be eaten but is of no particular culinary interest
  • The species is exploited in the following sector(s) :
    - Aquarium enthusiasts.
  • The species can be confused with other species of similar appearance!

    Thalassia testudinum Distribution

    Turtle-grass
    Schildkrötengras
    Schildpadgras
    Herbe à tortue
    Hierba de tortuga
    Fanerogama marini
    The tropical Atlantic
    Substrate and environment
  • The species is generally found in a sandy/silty area
  • The species forms large meadows
  • The species can be found between 1 and 20 Meters
  • Very common species.
  • General characteristics of the species
  • Diameter of the leaf : 1 mm
  • Length of the leaf : 70 mm
  • Relationship with humans
  • The species can be eaten but is of no particular culinary interest
  • The species is exploited in the following sector(s) :
    - Aquarium enthusiasts.

  • Zostera marina Distribution

    Common sea grass
    Gemeines Seegras
    Gewoon zeegras
    Zostère marine
    Hierba de mar
    The temperate Atlantic
    The Mediterranean
    Substrate and environment
  • The species is generally found in a sandy/silty area
  • The species forms large meadows
  • The species can be found between 0 and 11 Meters
  • Very common species.
  • General characteristics of the species
  • Diameter of the leaf : 12 mm
  • Length of the leaf : 1200 mm
  • Relationship with humans
  • The species can be eaten but is of no particular culinary interest
  • The species can be confused with other species of similar appearance!

    Unicellular
    Phormydium corallyticum Distribution

    Black-band disease
    Schwarzbandkrankheit
    Zwarte-band ziekte
    Maladie de la bande noire
    Enfermadad de la banda negra
    The tropical Atlantic
    The tropical Pacific
    The Red Sea
    The Indian Ocean
    Substrate and environment
  • The species is generally attached to a reef
  • General characteristics of the species
    Relationship with humans
  • The species can be eaten but is of no particular culinary interest

  • Thiothrix sp. Distribution

    Thiobacteria
    Thiobakterien
    Thiobacteriën
    Thiobactéries
    Tiobacteria
    Tiobatteri
    The tropical Atlantic
    Substrate and environment
  • The species can be found on any type of substrate (sandy or rocky)
  • The species is found in a zone of stagnant water
  • General characteristics of the species
    Relationship with humans
  • The species can be eaten but is of no particular culinary interest

  • Green
    Acetabularia acetabulum Distribution

    Mermaid’s cup
    Schirmalge
    Parasolwier
    Acétabulaire
    Acetabularia
    Acetabularia
    The Mediterranean
    Substrate and environment
  • The species is generally attached to a reef
  • The alga forms carpets on its substrate
  • The species can be found between 2 and 30 Meters
  • Very common species.
  • Endemic species.
  • General characteristics of the species
  • General size of the alga : 0 cm
  • Height of the alga : 8 cm
  • Diameter of the leaf : 10 mm
  • Relationship with humans
  • The species can be eaten but is of no particular culinary interest
  • The species can be confused with other species of similar appearance!

    Avrainvillea asarifolia Distribution

    Paddle blade alga
    Paddel-Alge
    Schotelwier
    Algue-pagaie
    Alga platillo
    The tropical Atlantic
    Substrate and environment
  • The species is generally found in a sandy/silty area
  • Species generally living in a group
  • The species can be found between 1 and 40 Meters
  • Common species.
  • General characteristics of the species
  • Height of the alga : 45 cm
  • Diameter of the leaf : 20 mm
  • The alga is calcareous
  • Relationship with humans
  • The species can be eaten but is of no particular culinary interest
  • The species is exploited in the following sector(s) :
    - Aquarium enthusiasts.
  • The species can be confused with other species of similar appearance!

    Blidingia minima Distribution

    Lesser grass-kelp
    Kleiner Darmtand
    Klein darmvier
    Petit entéromorphe
    Enteromorfa pequeña
    The temperate Atlantic
    The Mediterranean
    Substrate and environment
  • The species is generally attached to a reef
  • The alga forms carpets on its substrate
  • The species can be found between 0 and 5 Meters
  • Very common species.
  • General characteristics of the species
  • Length of the leaf : 30 mm
  • Relationship with humans
  • The species can be eaten but is of no particular culinary interest
  • The species is exploited in the following sector(s) :
    - Chemistry/pharmacy.
  • The species can be confused with other species of similar appearance!

    Caulerpa racemosa Distribution

    Green grape alga
    Kriechsprossalge
    Parelwier
    Caulerpe à perles
    Alga de perlas
    Caulerpa
    The tropical Atlantic
    The tropical Pacific
    The Red Sea
    The Indian Ocean
    The Mediterranean
    Substrate and environment
  • The species can be found on any type of substrate (sandy or rocky)
  • The alga forms carpets on its substrate
  • The species can be found between 5 and 45 Meters
  • Uncommon Species
  • General characteristics of the species
  • Height of the alga : 10 cm
  • Relationship with humans
  • The species can be eaten but is of no particular culinary interest
  • The species is exploited in the following sector(s) :
    - Aquarium enthusiasts.
    - Fishing or commercial aquiculture for food.

  • Caulerpa sertularioides Distribution

    Green feather alga
    Grüne Federalge
    Veerwier
    Caulerpe plume
    Alga de plumas
    Caulerpa
    The tropical Atlantic
    The tropical Pacific
    The Indian Ocean
    Substrate and environment
  • The species is generally found in a sandy/silty area
  • Species generally living in a group
  • The species can be found between 0 and 11 Meters
  • Uncommon Species
  • General characteristics of the species
  • Height of the alga : 22 cm
  • Relationship with humans
  • The species can be eaten but is of no particular culinary interest
  • The species is exploited in the following sector(s) :
    - Aquarium enthusiasts.
    - Fishing or commercial aquiculture for food.

  • Caulerpa mexicana Distribution

    Flat green feather alga
    Flache grüne Federalge
    Afgeplat veerwier
    Algue plume aplatie
    Alga de plumas planas
    Caulerpa
    The tropical Atlantic
    Substrate and environment
  • The species can be found on any type of substrate (sandy or rocky)
  • The species forms large meadows
  • The species can be found between 0 and 16 Meters
  • Uncommon Species
  • General characteristics of the species
  • Height of the alga : 22 cm
  • Relationship with humans
  • The species can be eaten but is of no particular culinary interest
  • The species is exploited in the following sector(s) :
    - Aquarium enthusiasts.

  • Caulerpa prolifera Distribution

    Oval-blade alga
    Kriechsproßalge
    Middellandse zee caulerpa
    Caulerpe rampante
    Oreja de liebre
    The tropical Atlantic
    The Mediterranean
    Substrate and environment
  • The species is generally found in a sandy/silty area
  • The alga forms carpets on its substrate
  • The species can be found between 3 and 15 Meters
  • Uncommon Species
  • General characteristics of the species
  • Height of the alga : 10 cm
  • Relationship with humans
  • The species can be eaten but is of no particular culinary interest
  • The species is exploited in the following sector(s) :
    - Aquarium enthusiasts.

  • Caulerpa taxifolia Distribution

    Feather Caulerpa
    Caulerpe à feuilles d'If
    The tropical Atlantic
    The tropical Pacific
    The Indian Ocean
    The Mediterranean
    Substrate and environment
  • The species can be found on any type of substrate (sandy or rocky)
  • The species forms large meadows
  • The species can be found between 1 and 100 Meters
  • Uncommon Species
  • General characteristics of the species
  • Height of the alga : 60 cm
  • Relationship with humans
  • The species can be eaten but is of no particular culinary interest
  • The species is exploited in the following sector(s) :
    - Aquarium enthusiasts.

  • Codium isthmocladum Distribution

    Dead man's finger
    Finger des toten Mannes
    Dode man's vinger
    Codium fourchue
    Dedo del hombre muerto
    The tropical Atlantic
    Substrate and environment
  • The species can be found on any type of substrate (sandy or rocky)
  • Species generally living in a group
  • The species can be found between 1 and 25 Meters
  • Uncommon Species
  • General characteristics of the species
  • Height of the alga : 25 cm
  • Relationship with humans
  • The species can be eaten but is of no particular culinary interest
  • The species is exploited in the following sector(s) :
    - Aquarium enthusiasts.

  • Codium bursa Distribution

    Ball-alga
    Ball-alge
    Balwier
    Béret basque
    Codio sferico
    Palla di mare
    The temperate Atlantic
    The Mediterranean
    Substrate and environment
  • The species is generally attached to a reef
  • The species is found on an overhang or along a hanging wall
  • The individual is isolated in its environment
  • The species can be found between 1 and 50 Meters
  • Very common species.
  • General characteristics of the species
  • General size of the alga : 35 cm
  • Relationship with humans
  • The species can be eaten but is of no particular culinary interest

  • Codium corallioides Distribution

    Krustenförmige Grünalge
    Groen korstwier
    Codium a forme de corail
    The Mediterranean
    Substrate and environment
  • The species is generally attached to a reef
  • The species is found in a sheltered zone
  • The alga forms carpets on its substrate
  • The species can be found between 2 and 40 Meters
  • Uncommon Species
  • General characteristics of the species
  • General size of the alga : 20 cm
  • Height of the alga : 3 cm
  • Relationship with humans
  • The species can be eaten but is of no particular culinary interest

  • Codium vermilara Distribution

    Green sea forks
    Gabelalge
    Gevorkt viltwier
    Algue feutrée dichotome
    Alga a candelabro vermiforme
    The temperate Atlantic
    The Mediterranean
    Substrate and environment
  • The species is generally attached to a reef
  • The individual is isolated in its environment
  • The species can be found between 2 and 60 Meters
  • Common species.
  • General characteristics of the species
  • Height of the alga : 50 cm
  • Diameter of the leaf : 5 mm
  • Relationship with humans
  • The species can be eaten but is of no particular culinary interest
  • The species is exploited in the following sector(s) :
    - Aquarium enthusiasts.
    - Fishing or commercial aquiculture for food.
    - Chemistry/pharmacy.
  • The species can be confused with other species of similar appearance!

    Codium fragile Distribution

    Fragile codium
    Grüner Leuchter
    Viltwier
    Codium fragile
    Codio fragil
    The tropical Atlantic
    The temperate Atlantic
    The tropical Pacific
    The Mediterranean
    Substrate and environment
  • The species is generally attached to a reef
  • The individual is isolated in its environment
  • The species can be found between 0 and 10 Meters
  • Common species.
  • General characteristics of the species
  • General size of the alga : 40 cm
  • Height of the alga : 30 cm
  • Relationship with humans
  • The species can be eaten but is of no particular culinary interest
  • The species is exploited in the following sector(s) :
    - Fishing or commercial aquiculture for food.
    - Chemistry/pharmacy.
  • The species can be confused with other species of similar appearance!

    Codium effusum Distribution

    Encrusting felt alga
    Schwammalge
    Korstvormige vilt wier
    Codium étalé
    Codio encostrante
    Alga verde a cuscinetto
    The temperate Atlantic
    The Mediterranean
    Substrate and environment
  • The species is generally attached to a reef
  • The alga forms carpets on its substrate
  • The species can be found between 1 and 50 Meters
  • Uncommon Species
  • General characteristics of the species
  • General size of the alga : 50 cm
  • Height of the alga : 1 cm
  • The alga is encrusting
  • Relationship with humans
  • The species can be eaten but is of no particular culinary interest

  • Halimeda opuntia Distribution

    Watercress alga
    Pfennigalge
    Schijfjeswier
    Halimède cresson
    Alga berro
    The tropical Atlantic
    Substrate and environment
  • The species can be found on any type of substrate (sandy or rocky)
  • The species is found in crevices
  • The alga forms carpets on its substrate
  • The species can be found between 0 and 50 Meters
  • Very common species.
  • General characteristics of the species
  • Height of the alga : 22 cm
  • Diameter of the leaf : 10 mm
  • The alga is calcareous
  • Relationship with humans
  • The species can be eaten but is of no particular culinary interest
  • The species is exploited in the following sector(s) :
    - Aquarium enthusiasts.

  • Halimeda discoidea Distribution

    Large leaf watercress alga
    Grossblatt-Pfennigalge
    Grootbladig schijfjeswier
    Halimède cresson à grandes feuilles
    Alga berro de hoja grande
    The tropical Atlantic
    Substrate and environment
  • The species can be found on any type of substrate (sandy or rocky)
  • Species generally living in a group
  • The species can be found between 1 and 75 Meters
  • Very common species.
  • General characteristics of the species
  • Height of the alga : 20 cm
  • Diameter of the leaf : 40 mm
  • The alga is calcareous
  • Relationship with humans
  • The species can be eaten but is of no particular culinary interest
  • The species is exploited in the following sector(s) :
    - Aquarium enthusiasts.
  • The species can be confused with other species of similar appearance!

    Halimeda goreaui Distribution

    Small leaf hanging vine
    Hängende Kleinblatt Meerkette
    Kleinblad hangend schijfjeswier
    Halimède confetti
    Halimeda colgande de hoja pequeña
    The tropical Atlantic
    Substrate and environment
  • The species is generally attached to a reef
  • The species is found in a sheltered zone
  • The alga forms carpets on its substrate
  • The species can be found between 10 and 80 Meters
  • Very common species.
  • General characteristics of the species
  • Height of the alga : 15 cm
  • Diameter of the leaf : 5 mm
  • The alga is calcareous
  • Relationship with humans
  • The species can be eaten but is of no particular culinary interest

  • Halimeda tuna Distribution

    Penny weed
    Pfennigalge
    Penningwier
    Monnaie de poséidon
    Halimeda
    Fico d'india di mare
    The tropical Atlantic
    The tropical Pacific
    The Red Sea
    The Indian Ocean
    The Mediterranean
    Substrate and environment
  • The species is generally attached to a reef
  • The species is found on an overhang or along a hanging wall
  • The alga forms carpets on its substrate
  • The species can be found between 5 and 75 Meters
  • Common species.
  • General characteristics of the species
  • Height of the alga : 20 cm
  • Diameter of the leaf : 25 mm
  • The alga is calcareous
  • Relationship with humans
  • The species can be eaten but is of no particular culinary interest

  • Halimeda macroloba Distribution

    Calcareous green alga
    Halimède
    The Red Sea
    The Indian Ocean
    Substrate and environment
  • The species is generally attached to a reef
  • Species generally living in a group
  • The species can be found between 1 and 25 Meters
  • Uncommon Species
  • General characteristics of the species
  • Height of the alga : 20 cm
  • Diameter of the leaf : 3 mm
  • The alga is calcareous
  • Relationship with humans
  • The species can be eaten but is of no particular culinary interest
  • The species can be confused with other species of similar appearance!

    Penicillus pyriformis Distribution

    Flat-top bristle brush
    Flacher Kopf Bürstenalge
    Vlakke top borstelwier
    Pénicile en brosse conique
    Alga brocha plana
    The tropical Atlantic
    Substrate and environment
  • The species is generally found in a sandy/silty area
  • The individual is isolated in its environment
  • The species can be found between 1 and 30 Meters
  • Uncommon Species
  • General characteristics of the species
  • General size of the alga : 0 cm
  • Height of the alga : 13 cm
  • Relationship with humans
  • The species can be eaten but is of no particular culinary interest
  • The species is exploited in the following sector(s) :
    - Aquarium enthusiasts.
  • The species can be confused with other species of similar appearance!

    Penicillus dumetosus Distribution

    Bristle ball brush
    Bürstenalge
    Borstelweir
    Algue-brosse
    Algua brocha
    The tropical Atlantic
    Substrate and environment
  • The species is generally found in a sandy/silty area
  • The individual is isolated in its environment
  • The species can be found between 2 and 15 Meters
  • Uncommon Species
  • General characteristics of the species
  • Height of the alga : 15 cm
  • The alga is calcareous
  • Relationship with humans
  • The species can be eaten but is of no particular culinary interest
  • The species is exploited in the following sector(s) :
    - Aquarium enthusiasts.

  • Rhipocephalus phoenix Distribution

    Pinecone alga
    Kiefernzapfen-Alge
    Dennenappel-wier
    Algue pomme de pin
    Alga pina
    The tropical Atlantic
    Substrate and environment
  • The species can be found on any type of substrate (sandy or rocky)
  • The individual is isolated in its environment
  • The species can be found between 1 and 50 Meters
  • Uncommon Species
  • General characteristics of the species
  • Height of the alga : 15 cm
  • The alga is calcareous
  • Relationship with humans
  • The species can be eaten but is of no particular culinary interest
  • The species is exploited in the following sector(s) :
    - Aquarium enthusiasts.

  • Tydemania expeditionis Distribution

    Green spongeball chain
    Tydeman-Alge
    Algue de Tydeman
    Alga verde espumillón
    Alga pom pom
    The tropical Pacific
    The Red Sea
    The Indian Ocean
    Substrate and environment
  • The species is generally attached to a reef
  • Species generally living in a group
  • The species can be found between 1 and 30 Meters
  • Rare species.
  • General characteristics of the species
  • Height of the alga : 15 cm
  • Diameter of the leaf : 10 mm
  • Relationship with humans
  • The species can be eaten but is of no particular culinary interest

  • Udotea sp Distribution

    Mermaid's fan
    Meerjungfrauenfächer
    Zeemeerwinnen-waaier
    Eventail de sirène
    Abanico de sirena
    The tropical Atlantic
    Substrate and environment
  • The species is generally found in a sandy/silty area
  • Species generally living in a group
  • The species can be found between 0 and 40 Meters
  • Common species.
  • General characteristics of the species
  • Height of the alga : 25 cm
  • The alga is calcareous
  • Relationship with humans
  • The species can be eaten but is of no particular culinary interest
  • The species can be confused with other species of similar appearance!

    Udotea petiolata Distribution

    Udotea
    Udotea
    Udotea
    Udotée
    Udotea
    Udotea
    The temperate Atlantic
    The Mediterranean
    Substrate and environment
  • The species can be found on any type of substrate (sandy or rocky)
  • The species is found in a sheltered zone
  • The individual is isolated in its environment
  • The species can be found between 1 and 120 Meters
  • Common species.
  • General characteristics of the species
  • Height of the alga : 10 cm
  • Relationship with humans
  • The species can be eaten but is of no particular culinary interest
  • The species is exploited in the following sector(s) :
    - Aquarium enthusiasts.

  • Ulva rigida Distribution

    Sea lettuce
    Meersalat
    Zeesla
    Laitue de mer
    Lechuga de mar
    Lattuga marina
    The tropical Atlantic
    The temperate Atlantic
    The tropical Pacific
    The Indian Ocean
    The Mediterranean
    Substrate and environment
  • The species is generally attached to a reef
  • The individual is isolated in its environment
  • The species can be found between 0 and 60 Meters
  • Common species.
  • General characteristics of the species
  • General size of the alga : 40 cm
  • Relationship with humans
  • The species is good to eat
  • The species is exploited in the following sector(s) :
    - Fishing or commercial aquiculture for food.
  • The species can be confused with other species of similar appearance!

    Ulva lactuca Distribution

    Sea lettuce
    Meersalat
    Zeesla
    Ulve ; Laitue de mer
    Lechuga de mar
    Lattuga marina
    The tropical Atlantic
    The temperate Atlantic
    The tropical Pacific
    The Indian Ocean
    The Mediterranean
    Substrate and environment
  • The species is generally attached to a reef
  • The individual is isolated in its environment
  • The species can be found between 0 and 10 Meters
  • Very common species.
  • General characteristics of the species
  • General size of the alga : 50 cm
  • Relationship with humans
  • The species is good to eat
  • The species is exploited in the following sector(s) :
    - Fishing or commercial aquiculture for food.
    - Chemistry/pharmacy.
  • The species can be confused with other species of similar appearance!

    Ulva compressa Distribution

    Grass-kelp
    Darmtang
    Plat darmwier
    Entéromorphe ; Cheveux de mer
    Enteromorfa
    The tropical Atlantic
    The temperate Atlantic
    The tropical Pacific
    The Indian Ocean
    Substrate and environment
  • The species is generally attached to a reef
  • The alga forms carpets on its substrate
  • The species can be found between 0 and 5 Meters
  • Very common species.
  • General characteristics of the species
  • Height of the alga : 30 cm
  • Relationship with humans
  • The species can be eaten but is of no particular culinary interest
  • The species is exploited in the following sector(s) :
    - Fishing or commercial aquiculture for food.
  • The species can be confused with other species of similar appearance!

    Ventricaria ventricosa Distribution

    Sea pearl
    Kugelalge
    Zeeparel
    Perle marine
    Perla de mar
    The tropical Atlantic
    The tropical Pacific
    The Indian Ocean
    The Mediterranean
    Substrate and environment
  • The species is generally attached to a reef
  • The species is found in crevices
  • The individual is isolated in its environment
  • The species can be found between 1 and 80 Meters
  • Common species.
  • General characteristics of the species
  • General size of the alga : 5 cm
  • Relationship with humans
  • The species can be eaten but is of no particular culinary interest
  • The species is exploited in the following sector(s) :
    - Aquarium enthusiasts.

  • Red
    Amphiroa rigida Distribution

    Sturdy needleweed
    Amphiroa
    Rood vorkwier
    Amphiroa rigide
    Amphiroa
    Amphiroa
    The tropical Atlantic
    The temperate Atlantic
    The tropical Pacific
    The Indian Ocean
    The Mediterranean
    Substrate and environment
  • The species is generally attached to a reef
  • The individual is isolated in its environment
  • The species can be found between 0 and 5 Meters
  • Uncommon Species
  • General characteristics of the species
  • Height of the alga : 8 cm
  • The alga is calcareous
  • Relationship with humans
  • The species can be eaten but is of no particular culinary interest
  • The species can be confused with other species of similar appearance!

    Amphiroa fragilissima Distribution

    Fragile coral weed
    Zerbrechliche Kalkrotalge
    Amphiroa fragile
    Amphiroa fragil
    Amphiroa
    The tropical Atlantic
    The tropical Pacific
    The Red Sea
    The Indian Ocean
    The Mediterranean
    Substrate and environment
  • The species is generally attached to a reef
  • The species is found in crevices
  • Species generally living in a group
  • The species can be found between 4 and 20 Meters
  • Uncommon Species
  • General characteristics of the species
  • Height of the alga : 20 cm
  • The alga is calcareous
  • Relationship with humans
  • The species can be eaten but is of no particular culinary interest
  • The species can be confused with other species of similar appearance!

    Asparagopsis armata Distribution

    Harpoon weed
    Harpunenalge
    Harpon de Neptune
    Asparagopsis
    Asparagopsis
    The tropical Atlantic
    The temperate Atlantic
    The tropical Pacific
    The Mediterranean
    Substrate and environment
  • The species is generally attached to a reef
  • The alga forms carpets on its substrate
  • The species can be found between 0 and 10 Meters
  • Uncommon Species
  • General characteristics of the species
  • General size of the alga : 0 cm
  • Height of the alga : 15 cm
  • Relationship with humans
  • The species can be eaten but is of no particular culinary interest
  • The species is exploited in the following sector(s) :
    - Chemistry/pharmacy.

  • Chondrus crispus Distribution

    Irish moss
    Knorpeltang
    Carrageenan
    Goémon frisé ; Carragheen
    Musgo de Irlanda
    The temperate Atlantic
    Substrate and environment
  • The species is generally attached to a reef
  • The alga forms carpets on its substrate
  • The species can be found between 0 and 6 Meters
  • Common species.
  • General characteristics of the species
  • Height of the alga : 15 cm
  • Relationship with humans
  • The species is good to eat
  • The species is exploited in the following sector(s) :
    - Fishing or commercial aquiculture for food.
    - Chemistry/pharmacy.
  • The species can be confused with other species of similar appearance!

    Corallina elongata Distribution

    Coral weed
    Korallenmoos
    Koraalwier
    Coralline
    Corallina carenada
    Corallina
    The temperate Atlantic
    The Mediterranean
    Substrate and environment
  • The species is generally attached to a reef
  • The alga forms carpets on its substrate
  • The species can be found between 0 and 5 Meters
  • Common species.
  • General characteristics of the species
  • Height of the alga : 10 cm
  • The alga is calcareous
  • Relationship with humans
  • The species can be eaten but is of no particular culinary interest
  • The species is exploited in the following sector(s) :
    - Chemistry/pharmacy.
  • The species can be confused with other species of similar appearance!

    Galaxaura oblongata Distribution

    Tubular thicket algae
    Röhrenästige Buschalge
    Buisjes-struikwier
    Algue-buisson tubulaire
    Alga arbusto tubular
    The tropical Atlantic
    The tropical Pacific
    The Indian Ocean
    The Mediterranean
    Substrate and environment
  • The species can be found on any type of substrate (sandy or rocky)
  • The species is found in a sheltered zone
  • Species generally living in a group
  • The species can be found between 1 and 12 Meters
  • Common species.
  • General characteristics of the species
  • Height of the alga : 10 cm
  • Diameter of the leaf : 2 mm
  • The alga is calcareous
  • Relationship with humans
  • The species can be eaten but is of no particular culinary interest
  • The species is exploited in the following sector(s) :
    - Aquarium enthusiasts.
  • The species can be confused with other species of similar appearance!

    Jania rubens Distribution

    Fine coral moss
    Jania
    Jania
    Janie rouge
    Jania
    Jania
    The tropical Atlantic
    The temperate Atlantic
    The tropical Pacific
    The Indian Ocean
    The Mediterranean
    Substrate and environment
  • The species is generally attached to a reef
  • The individual is isolated in its environment
  • The species can be found between 0 and 20 Meters
  • Common species.
  • General characteristics of the species
  • General size of the alga : 5 cm
  • The alga is calcareous
  • Relationship with humans
  • The species can be eaten but is of no particular culinary interest
  • The species is exploited in the following sector(s) :
    - Chemistry/pharmacy.
  • The species can be confused with other species of similar appearance!

    Liagora mucosa Distribution

    White heather alga
    Weisse Heidekraut-Alge
    Wit heidewier
    Algue bruyère blanche
    Alga-brezo blanca
    The tropical Atlantic
    Substrate and environment
  • The species is generally attached to a reef
  • The individual is isolated in its environment
  • The species can be found between 0 and 15 Meters
  • General characteristics of the species
  • Height of the alga : 18 cm
  • Relationship with humans
  • The species can be eaten but is of no particular culinary interest
  • The species can be confused with other species of similar appearance!

    Liagora viscida Distribution

    Liagora
    Rentiermoosalge
    Rendiermos-wier
    Liagore
    Liagora
    Alga viscida
    The temperate Atlantic
    The Mediterranean
    Substrate and environment
  • The species is generally attached to a reef
  • The individual is isolated in its environment
  • The species can be found between 0 and 20 Meters
  • Very common species.
  • General characteristics of the species
  • General size of the alga : 12 cm
  • The alga is calcareous
  • Relationship with humans
  • The species can be eaten but is of no particular culinary interest

  • Lithophyllum incrustans Distribution

    Encrusting clacareus alga
    Rote Krustenalge
    Korstvormend kalkrood wier
    Algue calcaire encroutante
    Litófilo encostrante
    The temperate Atlantic
    The Mediterranean
    Substrate and environment
  • The species is generally attached to a reef
  • The alga forms carpets on its substrate
  • The species can be found between 0 and 30 Meters
  • Common species.
  • General characteristics of the species
  • General size of the alga : 20 cm
  • The alga is encrusting
  • The alga is calcareous
  • Relationship with humans
  • The species can be eaten but is of no particular culinary interest
  • The species can be confused with other species of similar appearance!

    Lithothamnion corallioides Distribution

    Maërl
    Maërl
    Maërl
    Maërl
    Maërl
    Maërl
    The Mediterranean
    Substrate and environment
  • The species is generally found in a sandy/silty area
  • The alga forms carpets on its substrate
  • The species can be found between 0 and 25 Meters
  • Very common species.
  • General characteristics of the species
  • General size of the alga : 8 cm
  • The alga is calcareous
  • Relationship with humans
  • The species can be eaten but is of no particular culinary interest
  • The species can be confused with other species of similar appearance!

    Mesophyllum lichenoides Distribution

    Mesophyllum
    Mesophyllum
    Mesophyllum
    Mésophylle
    Mesofillo
    Mesofilo
    The temperate Atlantic
    The Mediterranean
    Substrate and environment
  • The species is generally attached to a reef
  • The species is found in a sheltered zone
  • The individual is isolated in its environment
  • The species can be found between 1 and 30 Meters
  • Very common species.
  • General characteristics of the species
  • General size of the alga : 20 cm
  • The alga is calcareous
  • Relationship with humans
  • The species can be eaten but is of no particular culinary interest
  • The species can be confused with other species of similar appearance!

    Palmaria palmata Distribution

    Dulse
    Lappentang
    Pilmroodwier
    Palmariale
    Palmera de mar
    The temperate Atlantic
    Substrate and environment
  • The species is generally attached to a reef
  • Species generally living in a group
  • The species can be found between 0 and 20 Meters
  • Very common species.
  • General characteristics of the species
  • Height of the alga : 50 cm
  • Relationship with humans
  • The species is good to eat
  • The species is exploited in the following sector(s) :
    - Fishing or commercial aquiculture for food.
    - Chemistry/pharmacy.
  • The species can be confused with other species of similar appearance!

    Peyssonnelia sp. Distribution

    Burgundy crust alga
    Weinrote Krustenalge
    Wijnrood korstwier
    Algue encroûtante lie-de-vin
    Alga de costra color burdeos
    Rosa di mare
    The tropical Atlantic
    The tropical Pacific
    The Indian Ocean
    Substrate and environment
  • The species is generally attached to a reef
  • The species is found in crevices
  • The alga forms carpets on its substrate
  • The species can be found between 0 and 200 Meters
  • Common species.
  • General characteristics of the species
  • General size of the alga : 100 cm
  • The alga is encrusting
  • Relationship with humans
  • The species can be eaten but is of no particular culinary interest

  • Peyssonnelia squamaria Distribution

    Peyssonnelia
    Dunkelrot-Schuppenblatt
    Rood schubwier
    Peyssonnelia
    Peyssonnelia
    Rosa di mare
    The temperate Atlantic
    The Mediterranean
    Substrate and environment
  • The species is generally attached to a reef
  • The species is found in a sheltered zone
  • The alga forms carpets on its substrate
  • The species can be found between 1 and 60 Meters
  • Very common species.
  • General characteristics of the species
  • General size of the alga : 10 cm
  • The alga is calcareous
  • Relationship with humans
  • The species can be eaten but is of no particular culinary interest
  • The species can be confused with other species of similar appearance!

    Polyides rotundus Distribution

    Forked red alga
    Rote Gabelalge
    Vertakt roodwier
    Algue rouge dichotome
    Alga roja dicótoma
    The temperate Atlantic
    Substrate and environment
  • The species is generally attached to a reef
  • The individual is isolated in its environment
  • The species can be found between 1 and 10 Meters
  • Very common species.
  • General characteristics of the species
  • General size of the alga : 20 cm
  • The alga is calcareous
  • Relationship with humans
  • The species can be eaten but is of no particular culinary interest
  • The species can be confused with other species of similar appearance!

    Pseudolithophyllum expansum Distribution

    Stone-leaf
    Ausgebreitetes Steinblatt
    Elfenbank-vormig steen-wier
    Algue coralligène
    Pseudolithophyllum
    Pseudolitofillo
    The temperate Atlantic
    The Mediterranean
    Substrate and environment
  • The species is generally attached to a reef
  • The species is found in a sheltered zone
  • The alga forms carpets on its substrate
  • The species can be found between 20 and 60 Meters
  • Very common species.
  • General characteristics of the species
  • Diameter of the leaf : 20 mm
  • The alga is calcareous
  • Relationship with humans
  • The species can be eaten but is of no particular culinary interest

  • Sphaerococcus coronopifolius Distribution

    Sphaerococcus
    Sphaerococcus
    Sphaerococcus
    Sphérocoque
    Sphaerococcus
    Sferococco
    The temperate Atlantic
    The Mediterranean
    Substrate and environment
  • The species is generally attached to a reef
  • The species is found in a sheltered zone
  • Species generally living in a group
  • The species can be found between 2 and 70 Meters
  • Uncommon Species
  • General characteristics of the species
  • Height of the alga : 30 cm
  • Relationship with humans
  • The species can be eaten but is of no particular culinary interest

  • Brown
    Ascophyllum nodosum Distribution

    Knotted wrack
    Knotentang
    Knotswier
    Goémon noir
    Alga nudosa
    The temperate Atlantic
    Substrate and environment
  • The species is generally attached to a reef
  • The alga forms carpets on its substrate
  • The species can be found between 0 and 15 Meters
  • Very common species.
  • General characteristics of the species
  • Height of the alga : 200 cm
  • Relationship with humans
  • The species can be eaten but is of no particular culinary interest
  • The species is exploited in the following sector(s) :
    - Fishing or commercial aquiculture for food.
    - Chemistry/pharmacy.
  • The species can be confused with other species of similar appearance!

    Cystoseira mediterranea Distribution

    Mediterranean cystoseira
    Mittelmeer-Cystoseira
    Middellandse Zee-Cystoseira
    Cystoseire méditerranéenne
    Cystoseira mediterranea
    Cistoseira iridescente
    The Mediterranean
    Substrate and environment
  • The species is generally attached to a reef
  • The alga forms carpets on its substrate
  • The species can be found between 0 and 50 Meters
  • Very common species.
  • Endemic species.
  • General characteristics of the species
  • Height of the alga : 40 cm
  • Relationship with humans
  • The species can be eaten but is of no particular culinary interest
  • The species can be confused with other species of similar appearance!

    Dictyota sp Distribution

    Y branched algae
    Gabeltange
    Gaffelwieren
    Dictyotes
    Algas dicótomas
    Alga a nastro bifido
    The tropical Atlantic
    The temperate Atlantic
    The tropical Pacific
    The Red Sea
    The Indian Ocean
    The Mediterranean
    Substrate and environment
  • The species is generally attached to a reef
  • The species is found in a sheltered zone
  • The alga forms carpets on its substrate
  • The species can be found between 0 and 70 Meters
  • Very common species.
  • General characteristics of the species
  • Height of the alga : 35 cm
  • Relationship with humans
  • The species can be eaten but is of no particular culinary interest
  • The species can be confused with other species of similar appearance!

    Dictyota dichotoma Distribution

    Forkweed
    Gemeine Gabelzunge
    Gaffelwier
    Dictyote
    Alga bifurcada
    Cornicella
    The tropical Atlantic
    The temperate Atlantic
    The tropical Pacific
    The Red Sea
    The Indian Ocean
    The Mediterranean
    Substrate and environment
  • The species is generally attached to a reef
  • Species generally living in a group
  • The species can be found between 1 and 80 Meters
  • Very common species.
  • General characteristics of the species
  • Height of the alga : 15 cm
  • Diameter of the leaf : 5 mm
  • Relationship with humans
  • The species can be eaten but is of no particular culinary interest
  • The species can be confused with other species of similar appearance!

    Dictyota bartayresiana Distribution

    Iridescent rinnonweed
    Blauschleier - Braunalge
    Dictyote iridescente
    Alga bifurcada
    Cornicella
    The tropical Atlantic
    The tropical Pacific
    The Red Sea
    The Indian Ocean
    The Mediterranean
    Substrate and environment
  • The species is generally attached to a reef
  • The species is found in a sheltered zone
  • Species generally living in a group
  • The species can be found between 1 and 40 Meters
  • Uncommon Species
  • General characteristics of the species
  • Height of the alga : 10 cm
  • Relationship with humans
  • The species can be eaten but is of no particular culinary interest
  • The species can be confused with other species of similar appearance!

    Fucus serratus Distribution

    Toothed wrack
    Sägetang
    Gezaagde zeeëik
    Fucus dentelé
    Encina de mar dentada
    The temperate Atlantic
    Substrate and environment
  • The species is generally attached to a reef
  • The alga forms carpets on its substrate
  • The species can be found between 0 and 10 Meters
  • Very common species.
  • General characteristics of the species
  • Height of the alga : 80 cm
  • Relationship with humans
  • The species can be eaten but is of no particular culinary interest
  • The species is exploited in the following sector(s) :
    - Chemistry/pharmacy.

  • Fucus spiralis Distribution

    Spiral wrack
    Spiraltang
    Kleine zee-eik
    Vareck spiralé
    Encina de mar espiral
    The temperate Atlantic
    Substrate and environment
  • The species is generally attached to a reef
  • The alga forms carpets on its substrate
  • The species can be found between 0 and 6 Meters
  • Very common species.
  • General characteristics of the species
  • Height of the alga : 40 cm
  • Relationship with humans
  • The species can be eaten but is of no particular culinary interest
  • The species is exploited in the following sector(s) :
    - Chemistry/pharmacy.
  • The species can be confused with other species of similar appearance!

    Fucus vesiculosus Distribution

    Bladder wrack
    Gemeiner Blasentang
    Blaaswier
    Varech vésiculeux
    Sargazo vejigoso
    The temperate Atlantic
    Substrate and environment
  • The species is generally attached to a reef
  • The alga forms carpets on its substrate
  • The species can be found between 0 and 5 Meters
  • Very common species.
  • General characteristics of the species
  • Height of the alga : 100 cm
  • Relationship with humans
  • The species can be eaten but is of no particular culinary interest
  • The species is exploited in the following sector(s) :
    - Fishing or commercial aquiculture for food.
    - Chemistry/pharmacy.
  • The species can be confused with other species of similar appearance!

    Halidrys siliquosa Distribution

    Pod weed
    Meereiche
    Hauwwier
    Queue-de-poulain
    Alga de vainas
    The temperate Atlantic
    Substrate and environment
  • The species is generally attached to a reef
  • Species generally living in a group
  • The species can be found between 0 and 10 Meters
  • Very common species.
  • General characteristics of the species
  • Height of the alga : 300 cm
  • Relationship with humans
  • The species can be eaten but is of no particular culinary interest
  • The species is exploited in the following sector(s) :
    - Chemistry/pharmacy.
  • The species can be confused with other species of similar appearance!

    Himanthalia elongata Distribution

    Thong-weed
    Riementang
    Riemwier
    Himanthale
    Correa
    The temperate Atlantic
    Substrate and environment
  • The species is generally attached to a reef
  • The alga forms carpets on its substrate
  • The species can be found between 0 and 10 Meters
  • Very common species.
  • General characteristics of the species
  • Height of the alga : 300 cm
  • Relationship with humans
  • The species is good to eat
  • The species is exploited in the following sector(s) :
    - Fishing or commercial aquiculture for food.
  • The species can be confused with other species of similar appearance!

    Laminaria digitata Distribution

    Braggair
    Fingertang
    Gladgesteeld vingerwier
    Laminaire digitée
    Laminarie digitada
    The temperate Atlantic
    Substrate and environment
  • The species is generally attached to a reef
  • The alga forms carpets on its substrate
  • The species can be found between 0 and 10 Meters
  • Very common species.
  • General characteristics of the species
  • Height of the alga : 300 cm
  • Relationship with humans
  • The species can be eaten but is of no particular culinary interest
  • The species is exploited in the following sector(s) :
    - Chemistry/pharmacy.
  • The species can be confused with other species of similar appearance!

    Padina jamaicensis Distribution

    White scroll alga
    Pfauenalge
    Pauwwier
    Padine blanche
    Alga pavo real
    The tropical Atlantic
    Substrate and environment
  • The species is generally attached to a reef
  • The alga forms carpets on its substrate
  • The species can be found between 0 and 17 Meters
  • Very common species.
  • General characteristics of the species
  • General size of the alga : 15 cm
  • Height of the alga : 0 cm
  • Relationship with humans
  • The species can be eaten but is of no particular culinary interest
  • The species is exploited in the following sector(s) :
    - Aquarium enthusiasts.

  • Padina pavonica Distribution

    Peacocks tail
    Pfauenalge
    Pauwwier
    Padine queue de paon
    Padina
    Coda di pavone
    The tropical Atlantic
    The temperate Atlantic
    The tropical Pacific
    The Indian Ocean
    The Mediterranean
    Substrate and environment
  • The species is generally attached to a reef
  • Species generally living in a group
  • The species can be found between 0 and 20 Meters
  • Very common species.
  • General characteristics of the species
  • General size of the alga : 10 cm
  • Relationship with humans
  • The species can be eaten but is of no particular culinary interest
  • The species is exploited in the following sector(s) :
    - Fishing or commercial aquiculture for food.
    - Chemistry/pharmacy.
  • The species can be confused with other species of similar appearance!

    Padina gymnospora Distribution

    Funnelweed
    Nacktsporen - Pfauenfederalge
    Padine
    Cola de Pavo
    Alga ventaglio
    The tropical Atlantic
    The tropical Pacific
    The Red Sea
    The Indian Ocean
    Substrate and environment
  • The species is generally attached to a reef
  • Species generally living in a group
  • The species can be found between 0 and 15 Meters
  • Common species.
  • General characteristics of the species
  • Height of the alga : 15 cm
  • Relationship with humans
  • The species can be eaten but is of no particular culinary interest
  • The species is exploited in the following sector(s) :
    - Aquarium enthusiasts.
  • The species can be confused with other species of similar appearance!

    Pelvetia canaliculata Distribution

    Channelled wrack
    Rinnentang
    Groefwier
    Pelvétie
    Pelvetia
    The temperate Atlantic
    Substrate and environment
  • The species is generally attached to a reef
  • The species is found on an overhang or along a hanging wall
  • The alga forms carpets on its substrate
  • The species can be found between 0 and 5 Meters
  • Common species.
  • General characteristics of the species
  • Height of the alga : 15 cm
  • Relationship with humans
  • The species can be eaten but is of no particular culinary interest
  • The species can be confused with other species of similar appearance!

    Saccharina latissima Distribution

    Sugar kelp
    Zuckertang
    Suikerwier
    Laminaire sucrée
    Laminaria zucarada
    The temperate Atlantic
    Substrate and environment
  • The species is generally attached to a reef
  • The alga forms carpets on its substrate
  • The species can be found between 0 and 20 Meters
  • Very common species.
  • General characteristics of the species
  • Height of the alga : 300 cm
  • Relationship with humans
  • The species can be eaten but is of no particular culinary interest
  • The species is exploited in the following sector(s) :
    - Chemistry/pharmacy.
  • The species can be confused with other species of similar appearance!

    Saccorhiza polyschides Distribution

    Furbelows
    Sackwurzeltang
    Knolwier
    Laminaire à bulbe
    Laminaria bulbosa
    The temperate Atlantic
    The Mediterranean
    Substrate and environment
  • The species can be found on any type of substrate (sandy or rocky)
  • Species generally living in a group
  • The species can be found between 1 and 35 Meters
  • General characteristics of the species
  • Height of the alga : 1000 cm
  • Relationship with humans
  • The species can be eaten but is of no particular culinary interest
  • The species can be confused with other species of similar appearance!

    Sargassum sp. Distribution

    Sargasso weeds
    Sargasso Algen
    Sargasso-wieren
    Sargasses
    Sargazos
    Sargasso
    The tropical Atlantic
    The temperate Atlantic
    The tropical Pacific
    The Indian Ocean
    Substrate and environment
  • The species is generally found in a sandy/silty area
  • The individual is isolated in its environment
  • The species can be found between 1 and 35 Meters
  • Common species.
  • General characteristics of the species
  • Height of the alga : 200 cm
  • Relationship with humans
  • The species can be eaten but is of no particular culinary interest
  • The species is exploited in the following sector(s) :
    - Chemistry/pharmacy.

  • Sargassum muticum Distribution

    Japanese seaweed
    Japanischer Beerentang
    Japans bessenwier
    Sargasse japonaise
    Sargazo japanés
    The temperate Atlantic
    The tropical Pacific
    The Mediterranean
    Substrate and environment
  • The species is generally found in a sandy/silty area
  • The individual is isolated in its environment
  • The species can be found between 0 and 20 Meters
  • Uncommon Species
  • General characteristics of the species
  • Height of the alga : 1000 cm
  • Relationship with humans
  • The species can be eaten but is of no particular culinary interest
  • The species can be confused with other species of similar appearance!

    Stypocaulon scoparia Distribution

    Seabroom
    Algue balai
    Escobilla de mar
    The temperate Atlantic
    The Mediterranean
    Substrate and environment
  • The species is generally attached to a reef
  • Species generally living in a group
  • The species can be found between 0 and 15 Meters
  • Common species.
  • General characteristics of the species
  • Height of the alga : 15 cm
  • Relationship with humans
  • The species can be eaten but is of no particular culinary interest
  • The species is exploited in the following sector(s) :
    - Chemistry/pharmacy.
  • The species can be confused with other species of similar appearance!

    Turbinaria sp Distribution

    Saucer leaf alga
    Turbinaria Alge
    Driehoekswier
    Turbinaire
    Alga parda turbinaria
    The tropical Atlantic
    Substrate and environment
  • The species is generally attached to a reef
  • Species generally living in a group
  • The species can be found between 0 and 7 Meters
  • Uncommon Species
  • General characteristics of the species
  • Height of the alga : 48 cm
  • Relationship with humans
  • The species can be eaten but is of no particular culinary interest
  • The species is exploited in the following sector(s) :
    - Aquarium enthusiasts.

  • Turbinaria decurrens Distribution

    Triangle turbinweed
    Salatblatt - Koralle
    Turbinaire
    Turbinaria
    Turbinaria
    The tropical Pacific
    The Red Sea
    The Indian Ocean
    Substrate and environment
  • The species is generally attached to a reef
  • Species generally living in a group
  • The species can be found between 0 and 10 Meters
  • Common species.
  • General characteristics of the species
  • Height of the alga : 20 cm
  • Relationship with humans
  • The species can be eaten but is of no particular culinary interest
  • The species can be confused with other species of similar appearance!

    Undaria pinnatifida Distribution

    Wakame
    Wakame
    Wakame
    Wakame
    Wakame
    Wakame
    The temperate Atlantic
    The Mediterranean
    Substrate and environment
  • The species is generally attached to a reef
  • Species generally living in a group
  • The species can be found between 0 and 5 Meters
  • Uncommon Species
  • General characteristics of the species
  • Height of the alga : 200 cm
  • Relationship with humans
  • The species is good to eat
  • The species is exploited in the following sector(s) :
    - Fishing or commercial aquiculture for food.
    - Chemistry/pharmacy.
  • The species can be confused with other species of similar appearance!

    Zonaria tournefortii Distribution

    Zonée jaune
    Ventaglio giallo
    The tropical Atlantic
    The temperate Atlantic
    The Mediterranean
    Substrate and environment
  • The species is generally attached to a reef
  • The species is found in a sheltered zone
  • The individual is isolated in its environment
  • The species can be found between 1 and 40 Meters
  • Rare species.
  • General characteristics of the species
  • Height of the alga : 20 cm
  • Relationship with humans
  • The species can be eaten but is of no particular culinary interest

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