Halgerda okinawa  Carlson & Hoff, 2000

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Halgerda okinawa  Carlson & Hoff, 2000 is relatively large, growing to at least 125 mm long. It has the typical mantle ridges and depressions of most members of the genus Halgerda  Bergh, 1880 . Apparently unique to this species, the yellow pigment on the tubercles is not just a surface pigment but is incorporated in the tissue right to the core of the tubercles. Halgerda okinawa looks like a coulour variant of Halgerda willeyi, but this one has translucent rhinophores and gills with black markings, Halgerda okinawa has orange rhinophores with a black posterior midline of the rhinophore clubs. The gills are translucent orange with black spots.
More information on Halgerda okinawa are on Bill Rudman's Sea-Slug Forum!
How to cite:
Köhler, E. (2020), published 24 May 2020, Halgerda okinawa  Carlson & Hoff, 2000
available from https://www.Philippine-Sea-Slugs.com/Nudibranchia/Doridina/Halgerda_okinawa.htm


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