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Gymnodoris tuberculosa  Knutson & Gosliner, 2014

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Gymnodoris tuberculosa is characterized by its uniformly translucent whitish colour with small rounded whitish tubercles. The gills form a complete circle.
The identification of the above specimen was confirmed by Vanessa Knutson.
This species is Gymnodoris sp. 3 in IPN at page 149.
It is also known from the Marshall Islands and from Japan.
Gymnodoris tuberculosa has been recently described (online as PDF), it was posted on 18 August 2013 at these websites as Gymnodoris sp. 10.
There is a very similar species which differs by large white tubercles, there are records from KwaZulu-Natal, South Africa, from Mozambique, from Japan, and from the Great Barrier Reef, Australia, Bill Rudman thinks it to be the same species, Gymnodoris sp. 5 at the Sea Slug Forum. I am pretty sure this is a disstinct undescribed species of Gymnodoris. Knutson & Gosliner (2014) do not mention in their description the latter records.
References:
Gosliner, Terrence M., David W. Behrens & Ángel Valdés. 2008. Indo-Pacific Nudibranchs and Sea Slugs. Sea Challengers Natural History Books.
Gig Harbor, Washington. 426pp.
Vanessa L Knutson, Terrence M Gosliner, 2014. Three New Species of Gymnodoris Stimpson, 1855 (Opisthobranchia, Nudibranchia) from the Philippines
The Coral Triangle: The 2011 Hearst Philippine Biodiversity Expedition. California Academy of Sciences. 04/2014;