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Family Cerithiidae

HAWAII

Cerithium echinatum

Nanakuli, Oahu

 

YO-257 wreck, Oahu, 70 feet

PRICKLY HORN

Common on hard reef at scuba depth.  Solid shell with stout spines, often encrusted with coralline algae.  Attains 2 inches.  Hawaii & the Indo-West Pacific.  Formerly known as Cerithium mutatum.