This species is known from the Marshalls from four specimens found laying eggs on two separate pieces of sunken lumber on a Kwajalein Atoll lagoon reef in 9m of water on 18 March 2013. They all measured around 17 to 18mm in length and varied in color from gray-brown to yellow-green. Hallaxa elongata was previously known only from Aldabra Atoll in the Indian Ocean, so the Marshall Islands specimens represent a considerable range extension.
Created 19 March 2013
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