Goniobranchus vibratus

Goniobranchus vibratus

Goniobranchus vibratus, Trembling nudibranch

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Goniobranchus vibratus

Goniobranchus vibratus, common name trembling nudibranch, is a species of colourful sea slug, a dorid nudibranch, a marine gastropod mollusc in the family Chromodorididae.

Animal name origin

The Latin species name vibratus derives from its habit of vibrating the gills rhythmically much like some species of Thorunna and Noumea.


The length of the body reaches 60–65 mm. The basic body colour of these nudibranchs is bright yellow, with small white dots in relief. The margins of the mantle are bluish-purple, with large white pustules. The outline of the body is oblong or oval. Mantle is smooth and rounded. The thin margins do not conceal the foot behind. The seven brachial plumes are small, erect, ciliated and edged with violet. Dorsal tentacles are violet, short, ovate and lamellated. Foot is white and almost wide as the mantle.



This species was described from Hawaii. It has been reported in the Marshall Islands, in French Polynesia and in Japan, in the tropical Pacific Ocean.

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These diurnal nudibranchs can be found exposed on subtidal reefs, rocky habitats and in tide pools or low intertidal, at depths of 1–24 m (3 ft 3 in – 78 ft 9 in).

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Habits and Lifestyle

Goniobranchus vibratus feeds on encrusting sponges (Porifera, Phoriospongia poni or probably Chelonaplysilla violacea ). It lays a mass of eggs in a ribbon of 2-3 whorls. Hatching occurs in about 7 days.

Diet and Nutrition


1. Goniobranchus vibratus Wikipedia article - https://en.wikipedia.org/wiki/Goniobranchus_vibratus

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