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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.
thanks Clemen!! it is the same!I've search for it and i think that's it. :)
I have one of these in my fishtank, these guys are called Zebra long-spines in the aquarium industry but im not sure what they are called in the wild.
Spotted on Apr 21, 2011 Submitted on Apr 25, 2011
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