Home > Invertebrates > Shells > Tritons > Monoplex mundus

Updated 12/25/2025

Family Cymatiidae

CIRCUMTROPICAL / HAWAII

Monoplex mundus



Mokapu, Oahu, 3 feet


Pearl Harbor, Oahu
(Padgett Carpenter collection)

Makapu'u tidepool, Oahu

 

Koke'e Beach tidepool, Oahu

 

CLEAR TRITON

Fairly common under stones in shallow water.  Exterior cream or yellowish-brown, aperture and columella white.  Attains 1.6 inches, 40 mm.  South Africa to Hawaii, French Polynesia, Galapagos, and Florida.  Long misidentified in Hawaii as Cymatium gemmatum, which is now Monoplex gemmatus.