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Bullock's hypselodoris
Philippines · Indo Pacific - South China Sea
A common, highly variable chromodorid nudibranch of the western Pacific. Colour forms range so widely that they were once thought to be separate species, but anatomical studies found no consistent differences between them.
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Smooth, elongate body ranging from white or pale straw to deep purplish pink. Most individuals have a thin opaque white (sometimes reddish-purple) line around the mantle edge. Rhinophores and gills are yellow to orange, often with a pink or purplish band at the base.
Hypselodoris apolegma is larger and deeper violet, with a broad white mantle border that blends into the purple through white reticulation.
Shallow to moderately deep coral and rocky reefs, usually on or near its sponge prey.
Sponges, especially Dysidea.
