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Boomer · 06-24-2008, 02:06 PM

It may also be juvenile, Arbacia punctulata, which it does look more like. Looks like an almsot exact match to me. These eat algae but also sponges, coral polys but are mostly algae grazers and feed at night. Often called Purple-spined Sea Urchin.

06-24-2008, 02:06 PM	#13 (permalink)
Boomer Reef Sanctuary's Mr. Wizard Join Date: Nov 2003 Location: Duluth, Minnesota Posts: 2,274 View Gallery Karma Komment	Re: wu dis It may also be juvenile, Arbacia punctulata, which it does look more like. Looks like an almsot exact match to me. These eat algae but also sponges, coral polys but are mostly algae grazers and feed at night. Often called Purple-spined Sea Urchin. __________________ Boomer Want to Talk Chemistry ! The Reef Chemistry Forum Want to See More ! The Coral Realm If you See Me Running You Better Catch-Up An explosion can be defined as a loud noise, accompanied by the sudden going away of things, from a place where they use to be.