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Mexichromis trilineata

2025 · Photo: Boaz Liebes

Mexichromis trilineata (A. Adams & Reeve, 1850)

Three-lines purple doris

Philippines · Indo Pacific - South China Sea

Size
12 mm
Native range
Western Pacific: southern Japan, the Philippines, Palau, Indonesia, Papua New Guinea and Australia.

Description

A small chromodorid nudibranch named for the three yellow lines on its back. In some regional populations only the central line is present.

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Identification

Pale purple to violet body with a fine white (occasionally yellow) line around the mantle edge. Three white-edged yellow longitudinal lines run along the back: the central one encircles the gill and the lateral ones run near the mantle edge. Rhinophores and the 6–8 simple gill plumes are orange-yellow.

Habitat & diet

Habitat

Coral and rocky reefs, shallow to moderate depths.

Food

Sponges.

Sources (2)
Mexichromis trilineata