Home > Invertebrates > Sea Urchins > Clypeaster reticulatus

Updated 2/4/2013

Family Clypeasteridae

HAWAII

Clypeaster reticulatus

Sea Tiger, Oahu, 120 feet

 

 

Waimea Bay, Oahu, 15 feet

 

 

Lana'i Lookout, Oahu, 45 feet

RETICULATED SEA BISCUIT or CAKE URCHIN

Empty tests are occasionally found, live animals emerge from sand at night to feed.  Green, red, or brown.  Attains 1 inch.  Hawaii & the Indo-Pacific.