Hypselodoris whitei (Adams & Reeve, 1850) [Doriprismatica]

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Hypselodoris whitei is characterized by a whitish background colour with a reddish purple submarginal line around the mantle edge and a series of five longitudinal lines covering the rest of the mantle. These lines are usually very crooked and joined by a series of lateral connections, breaking the mantle into rows of slightly raised whitish regions. The rhinophores are orange to orange-red with a distinctive white tip and the gills are similarly coloured with white on the inside and usually at the tip of each gill.
Hypselodoris mouaci (Risbec, 1930 is a synonym.
More information on Hypselodoris whitei are on Bill Rudman's Sea-Slug Forum!