This may be small species of Placida measuring about 3mm long. It crawled out of some algae collected in Kwajalein lagoon.
This may be the same species. The specimen was about 10mm in length and was on an algae covered piece of rope in about 1m of water at Emon Beach, Kwajalein Island. It was found and photographed by Christina Sylvester.
Created 8 July 2016
Updated 2 October 2016