Home > Invertebrates > Shells > Periwinkles > Littoraria coccinea

Updated 8/5/2025

Family Littorinidae

TROPICAL PACIFIC / HAWAII

Littoraria coccinea

With L. pintado, Portlock, Oahu

Hanauma Bay, Oahu

SCARLET PERIWINKLE

Very rare in the spray zone in Hawaii but abundant elsewhere.  Light gray with reddish flammules, lacking any spiral markings.  Attains 1 inch, 25 mm.  South Africa to Okinawa, Hawaii, and Pitcairn.