Ardeadoris symmetrica is known from the Marshalls from four specimens, two each from Kwajalein and Enewetak. The first two photos below show one of the specimens from Kwajalein, which was under dead coral on the lagoon interisland reef at a depth of 5 meters. The remaining photos show the two Enewetak specimens, measuring 16 and 29mm. These two were both on lagoon pinnacles at depths of 10 to 15 meters.
Below is the smallest specimen, measuring 16mm.
The largest specimen found, shown below, had a highly convoluted mantle margin. It never stretched out to full length, but even in this relaxed state, it still measured 29mm.
Created 3 January 2006
Updated 1 July 2012
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