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Sea urchin

constitute the class Echinoidea of the echinoderm phylum

Description:

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.

Habitat:

Sea

Notes:

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

Reference

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