Home|Search|Identify|Taxonomic tree|Quiz|About this site|Feedback
Developed by ETI BioInformatics
Characteristics, distribution and ecology
Taxonomische classification
Synonyms and common names
Literature references
Images, audio and video
Distribution map
Links to other Web sites

Long-spined urchin
Diadema antillarum
(Philippi, 1845)

Description:
Easily recognized by the numerous long, dark purple to black spines. Sometimes also grayish-white spines are present. The young may have banded spines.
Size: Body up to 10 cm. Spines up to 20 cm.

Habitat:
Lives on coral reefs, flats, rubble etc. They hide during the day and feed on algae during the night.
Depth: ranges from 0 m down to 40 m.

Distribution:
Abundant to common all over the Caribbean.

Remarks:
The finely barbed spines easily penetrate skin and break off, causing infections and painful wounds.

Long-spined urchin (Diadema antillarum)