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This species is most likely as Goniodoris sp. 4 in IPN at page 125.
There are some pictures of similar Goniodoris species online, from Komodo, Indonesia and from the Marshall Islands.
Gosliner, Terrence M., David W. Behrens & Ángel Valdés. 2008. Indo-Pacific Nudibranchs and Sea Slugs.
Sea Challengers Natural History Books. Gig Harbor, Washington. 426pp.
How to cite:
Köhler, E. (2017), published 25 May 2017, Goniodoris sp. 02 Genus: Forbes & Goodsir, 1839
available from https://www.Philippine-Sea-Slugs.com/Nudibranchia/Euctenidiacea/Goniodoris_sp_02.htm