Echinothrix diadema (Blue-black Urchin)
Life (root) » Animalia (Animals) » Echinodermata (Echinoderms) » Echinozoa (sea urchins and sea cucumbers) » Echinoidea (Sea Urchins, Sand Dollars, and Heart Urchins) » Euechinoidea (sea urchins) » Acroechinoidea » Diadematoida » Diadematidae » Echinothrix » Echinothrix diadema (Blue-black Urchin)
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Blue-black Urchin
Echinothrix diadema
Location: Niihau Island, Kauai County, HI
Photo Date: 6/14/2008
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