Elysia sp. e491
21mm

At Kwajalein, this species is known from two specimens. The first was found at a depth of about 10m on the western seaward atoll reef, exposed during the day on a piece of dead, white Halimeda cuneata f. undulata (first picture below). It was more difficult to see against living algae, as shown in the other photos. The tall, erect podia resemble flakes of the Halimeda, and the edges of the normally closed podia looked very much like the edge of an algae flake. The animal did not want to open its podia, bit it could be seen that the color inside was more turquoise.

A second specimen was found under a rock on a Kwajalein Atoll lagoon pinnacle at a depth of 10m on 29 April 2012. This one was smaller at 15mm.

Created 24 November 2007
Updated 17 May 2012

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