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Forsskål's pleurobranch
Solomon Islands · Pacific Ocen - Solomon Sea
A large, oval side-gilled slug (Pleurobranchida) with a tough mantle covering the broad foot except the tail. In the Indo-Pacific it can be locally common on reef flats and seagrass beds; in the Mediterranean it is very rare.
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Tough, tuberculate back with a network of white or dark circles around the swellings. Colour peach or purple to dark brown or nearly black. Rolled rhinophores joined at the base; a long plume-like gill on the right side.
The native Pleurobranchus testudinarius is rounder, with violet polygons around large swellings; P. membranaceus is soft and translucent.
Sand, mud and rubble bottoms; nocturnal. In the Mediterranean dredged from sandy mud at 48 m.
Colonial (compound) ascidians.
