Large-spotted triton, Lotoria grandimaculata

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Created 11/21/2025

Family Cymatiidae

INDO-PACIFIC / HAWAII

Lotoria grandimaculata

Haleiwa, Oahu, >200 ft, 120mm @ Hank Lynch
Barber's Point, Oahu, 70 ft., 100mm @ Hank Lynch

LARGE-SPOTTED TRITON

Very rare in Hawaii and uncommon elsewhere, under slabs or rubble deeper than 30 feet. Attains 5.5 inches, 132mm. Red Sea to Japan, Guam, and Hawaii. Formerly known as Cymatium grandimaculatum.