This unidentified Gymnodoris species is known from three specimens from Kwajalein. The first was found at a depth of 8 meters in a Halimeda algae patch on a lagoon reef on 14 April 2008 and is figured in Gosliner et al (2018) as Gymnodoris sp. 4. It measured 34mm in length.
This specimen was carrying two commensal copepods. You can see one a bit below and to the right of the gills in the photo below.
The second measured 16mm and was crawling among Halimeda plants on a lagoon reef in 8m of water on 6 May 2012.
Created 16 April 2008
Updated 17 May 2012