This appears to be a species of Stiliger, Placida or Ercolania, and could be a variation of what we are calling Stiliger sp. e701 or possibly Ercolania sp. 737. This one was found and photographed by Christina Sylvester on the lagoon side of Kwajalein's north point on 25 April 2016.
Created 28 June 2020
Updated 3 February 2022