Selection: Chromodoris lineolata

Chromodoris lineolata (van Hasselt, 1824) [Doris]

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Chromodoris lineolata is characterized by a black mantle with fine opaque white longitudinal lines, and a broad orange or yellow mantle margin. At the inner edge of the orange band is a black line. The gills and rhinophores are black with opaque white spots.
Pretty similar are:
Chromodoris striatella which differs by a white body with thin browish-black longitudinal lines and large brownish patches, and by a white band at the inner edge of the orange mantle margin,
Chromodoris burni which lacks the opaque white spots on the gills and rhinophores.
More informations on Chromodoris lineolata are at Bill Rudman's Sea-Slug Forum!