Hypselodoris violacea is a species of sea slug or dorid nudibranch, a marine gastropod mollusc in the family Chromodorididae.
[2] The holotype of this nudibranch was collected at 10 m depth from Magic Reef, Busuanga Island, Palawan, Philippines, 11°59′N 120°05′E / 11.99°N 120.08°E / 11.99; 120.08.
[3][1] Hypselodoris violacea has a deep, dark purple body with a broad solid white border to the mantle.
The bulb of the rhinophores is deep purple, with sheaths of the same colour.
There is a tall gill pocket which is also deep purple in colour.