Quote:
Originally Posted by Magickiwi
Sphere I am in Mexico and have seen literally tens of thousands of black spiny urchins during my dives. The bore into the rock making themselves a nice little armoured den with only their spines showing.
My question is has anyone seem this behaviour in their aquariums? Is the black spiny urchin in the trade (Diadema setosum) the same? I'd love to have one but not if its going to destroy my rock.
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That doesn't sound boring to me. That sounds rad! Can't say that I've ever witnessed (or noticed) any of my urchins exhibiting this behavior.