We saw this type of sea urchin at several sites, generally on soft bottoms. Image courtesy of Lophelia II 2008: Deepwater Coral Expedition: Reefs, Rigs, and Wrecks.
We saw this type of sea urchin at several sites, generally on soft bottoms. Image courtesy of Lophelia II 2008: Deepwater Coral Expedition: Reefs, Rigs, and Wrecks.