From Keoki's Fish Corner a Slate Pencil Urchin (Heterocentrotus mammillatus) which is locally abundant in shallow water, has spine shape and color which varies throughout the islands. Night coloration is pale brown with lighter bands with a maximum overall diameter of 10 inches
Keoki Stender's Slate Pencil Urchin (Heterocentrotus mammillatus)
Slate Pencil Urchin (Heterocentrotus mammillatus)
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