Hypselodoris violacea

The holotype of this nudibranch was collected at a 10-metre (33 ft) depth from Magic Reef, Busuanga Island, Palawan, Philippines, 11°59′N 120°05′E / 11.99°N 120.08°E / 11.99; 120.08. It is known only from Palawan, Philippines and northern Borneo, Malaysia.^[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. The gills are also entirely deep purple. There is a tall gill pocket which is also deep purple in colour. This is a large nudibranch, reaching 50 millimetres (2.0 in) in length.^[1] This species has been reported as Hypselodoris bullocki.^[4][1][5]