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Family Diadematidae

HAWAII - ENDEMIC

Lissodiadema purpureum

Shark's Cove, Oahu, Hawaii, 25 feet

 

Moku Manu, Oahu, Hawaii, 40 feet

Kewalo Hump, Oahu, 90 feet

 

GLASS-SPINED URCHIN

Uncommon in deep caves.  Shuns bright light.  Flexible test less than 1 inch in diameter, glasslike spines attain 2 inches.  Endemic to Hawaii.  Formerly known as Leptodiadema purpureum.