Home > Invertebrates > Shells > Cowries > Mauritia mauritiana

Updated 4/28/2026

Family Cypraeidae

INDO-WEST PACIFIC / HAWAII

Mauritia mauritiana

Makapu'u, Oahu, 2 feet, 81 mm

 

Kahe Point, Oahu, 30 feet

Juvenile, Makapu'u, Oahu, 2 feet, 62 mm

 

Kahe Point, Oahu, 30 feet

 

Makapu'u, Oahu, 10 feet

 

Subadult, Makapu'u tidepool, Oahu

 

Juvenile, Puako tidepool, Hawaii

HUMPBACK COWRY

Locally common on basalt cliffs and seawalls exposed to wave action from 0 to 10 feet.  Perfect shells are rare as most have scars.  Attains 5.1 inches, 130 mm.  Red Sea to Japan, Hawaii, and French Polynesia.  Formerly known as Cypraea mauritiana.