Diadema setosum

Diadem urchin
Diademseeigel
Oursin diadème à anneau orange
Erizo de espinas largas
Riccio diadema

Distribution

The tropical Pacific
The Red Sea
The Indian Ocean

Surrounding and environment

The species is generally found on the reef
The species is generally observed in a sandy zone or in seagrass
The species is not very mobile
The species can be found between 0 and 70 Meters.
Very common species.

Environment and movement of the nocturnal species

The animal hunts at night

General behaviour of the species

Species generally living in a group

General characteristics of the species

Maximum size : 60 cm
The animal is a grazer of algae.
The animal can show variable colouring

Relationship with humans

The spines of the animal can be very dangerous
The species can be eaten but is of no particular culinary interest

The species can be confused with other species of similar appearance!