Home > Invertebrates > Shells > Horns > Cerithium placidum

Updated 9/19/2022

Family Cerithiidae

ASIAN PACIFIC / HAWAII

Cerithium placidum

Cerithium placidum, Oahu

PLACID HORN

Uncommon on shallow reefs.  Thin with inflated whorls and fine granulose spirals.  Attains 3/4 inch.  South China Sea to Hawaii.