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Family Cypraeidae

HAWAII

Cypraea (Staphylaea) semiplota 

Mokapu, Oahu, 2 feet, 14mm

 

HALF-SWIMMER COWRY

Rare on black sponge under dead coral at any depth.  Extremities are pitted and dark brown, light orange teeth distally elongate.  Attains 1 inch.  Endemic to Hawaii.  Broadly oval shells are known as Cypraea semiplota var. annae.