Home > Invertebrates > Shells > Tritons > Monoplex nicobaricus

Updated 10/19/2025

Family Cymatiidae

CIRCUMTROPICAL / HAWAII

Monoplex nicobaricus



Kaupo, Oahu, 2 feet



Mokapu, Oahu, 2 feet


Kaunolu Bay tidepool, Lana'i

 

Kaunolu Bay tidepool, Lana'i

Kapoho Point, Kailua, Oahu

 

Makapu'u tidepool, Oahu

NICOBAR TRITON

Common under stones and sand pockets at any depth.  Aperture bright orange, teeth & columellar folds white.  Feeds upon other snails.  Attains 4 inches, 103mm.  Hawaii, Indo-Pacific, Galapagos, Tropical Atlantic.  Formerly known as Cymatium nicobaricum.