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One of my favorite divesites is "Gato Cave" at Gato Island, pretty close to Malapascua Island. Here you find dozens of sea-slugs during each dive - and here I discovered my first Chromodoris striatella. This shot shows a specimen laying eggs.
Pretty similar are:
Chromodoris lineolata which lacks the large brown patches on the mantle, and has a black line at the inner edge of the orange border and differs by opaque white spots on the black gills and rhinophores. It is black with white lines, which looks like white white with black lines.
Chromodoris burni which lacks the opaque white spots on the gills and rhinophores.
Chromodoris mandapamensis which is densely covered with rounded dark brown spots.
Gosliner et al. (2015) place Chromodoris striatella Bergh, 1876 and Chromodoris mandapamensis Valdés, Mollo & Ortea, 1999 in the genus Goniobranchus Pease, 1866, WoRMS has them still as Chromodoris.
Gosliner, T.M, D.W. Behrens & Á.Valdés. 2015. Nudibranch &Sea Slug Identification Indo-Pacific.
New World Publications Inc. Jacksonville, FL. 408 pp.
Caballer, M. (2011). Chromodoris striatella Bergh, 1877. In: MolluscaBase (2017).
Accessed through: World Register of Marine Species
at http://www.marinespecies.org/aphia.php?p=taxdetails&id=558225 on 2017-11-28
More information on Chromodoris striatella are on Bill Rudman's Sea-Slug Forum!
How to cite:
Köhler, E. (2017), published 29 November 2017, Chromodoris striatella Bergh, 1876
available from https://www.Philippine-Sea-Slugs.com/Nudibranchia/Euctenidiacea/Chromodoris_striatella.htm