Home > Invertebrates > Shells > Tritons > Monoplex mundus

Updated 5/12/2013

Family Ranellidae


Monoplex mundus

Makapu'u tidepool, Oahu


Koke'e Beach tidepool, Oahu


Fairly common under stones in shallow water.  Exterior cream, aperture and columella white.  Attains 1.5 inch.  Hawaii, Indo-West Pacific, Tropical Western Atlantic.  Erroneously reported from Hawaii as the Western Pacific Cymatium gemmatum, which is darker and more elongate.