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Black Spiny Urchin

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12-29-2004, 04:30 PM

rwdn

Junior Member

Join Date: May 2004

Location: Richmond, B.C.

Posts: 13

Black Spiny Urchin

Has anyone ever heard of these guys (black urchis) dropping all of their spines? I read where they'll do that if water quality is poor but will they do it for any other reason?

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