Aldisa sp. e558 is so far known in the Marshalls from a single specimen found at Kwajalein. The 14mm long specimen was on a leaf of Halimeda algae on the seaward reef at about 5 meters at night. This species is similar to Aldisa pikokai, but differs in the lack of dorsal crisscrossing ridges--Aldisa sp. e558 is mostly smooth but covered with low bumps--and in the presence of only two depressions ("craters") along the middorsal line. What appears to be this same species is also found in Hawaii.
Created 1 November 2008
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