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Sea urchin

constitute the class Echinoidea of the echinoderm phylum


They inhabit all oceans. Their shell, or "test", is round and spiny, typically from 3 to 10 centimetres (1.2 to 3.9 in) across. Common colors include black and dull shades of green, olive, brown, purple, and red. They move slowly, feeding mostly on algae.




Found this urchin under a rock.

No species ID suggestions

Quintana Roo, Mexico

Lat: 19.18, Long: -88.48

Spotted on Apr 19, 2011
Submitted on Aug 22, 2011


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