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Pretty similar is Hypselodoris infucata which has simple gills, edged in red/brown (1 broad line).
More information on Hypselodoris kanga are on Bill Rudman's Sea-Slug Forum!
How to cite:
Köhler, E. (2017), published 14 August 2017, Hypselodoris kanga Rudman, 1977
available from https://www.Philippine-Sea-Slugs.com/Nudibranchia/Doridina/Hypselodoris_kanga.htm