Home > Invertebrates > Shells > Tritons > Septa hepatica

Updated 10/19/2025

Family Cymatiidae

INDO-WEST PACIFIC / HAWAII

Septa hepatica



Oahu. @ Padgett Carpenter

BLACK-STRIPED TRITON

Very rare in Hawaii under rocks, fairly common elsewhere.  Color variable, distinctive black grooves on all whorls.  Attains 2.6 inches, 65mm.  East Africa to Japan, Hawaii, and French Polynesia.  Formerly known as Cymatium hepaticum.