Centrostephanus coronatus
Encyclopedia
Centrostephanus coronatus, is a sea urchin
Sea urchin
Sea urchins or urchins are small, spiny, globular animals which, with their close kin, such as sand dollars, constitute the class Echinoidea of the echinoderm phylum. They inhabit all oceans. Their shell, or "test", is round and spiny, typically from across. Common colors include black and dull...

 in the family Diadematidae
Diadematidae
Diadematidae is a family of sea urchins.* Astropyga **Astropyga radiata , extant**Astropyga pulvinata , extant**Astropyga magnifica , extant*Centrostephanus...

. It lives in holes and crevices is shallow rocky waters. Individuals forage within 1 metres (3.3 ft) of their shelters, to which they return at night .
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