We are not really sure about this small animal. It looks as though it could be a species of Oxynoe, but does not look like a juvenile of Oxynoe viridis. The first specimen was found at night on algae on an Enewetak Atoll lagoon pinnacle at a depth of 12 meters.
The following two photos show four specimens found at a depth of about 10m in Halimeda algae next to the wreck of the German Heavy Cruiser Prinz Eugen, which sank at Kwajalein Atoll after participating (as a target) in two nuclear tests at Bikini Atoll in 1946. This species is also known from other Micronesian islands (Guam, Palau, and Chuuk) and has been figured on the Sea Slug Forum. It is currently thought to be undescribed.
Two more specimens were found on 19 July 2009 on algae in a Kwajalein lagoon Halimeda patch. These are illustrated in the photos below.
Below is one of two observed on 24 December 1012 on the Kwajalein Atoll seaward reef.
Created 7 February 2007
Updated 1 January 2013
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