Favorinus mirabilis Baba, 1955

Favorinus mirabilis comes in a variety of color forms as seen in the photos below. The species is moderately common, and specimens have been found at Kwajalein, Enewetak, and Utirik Atolls, usually under rocks by day or crawling on algae or cave walls at night. Sizes have ranged from 6 to 10mm. Like its cousin Favorinus japonicus, F. mirabilis eats the eggs of other opisthobranchs.

These two individuals moved away from the egg ribbon they were eating when exposed to light.

The two pairs of specimens below were found eating opisthobranch egg masses.

This one, found on Kwajalein Atoll's seaward reef on 27 June 2010. It was on a fresh egg mass, probably from Dendrodoris nigra.

Although nearly always found eating Opisthobranch eggs, the two below were on what appeared to be an egg mass of the prosobranch Nassarius papillosus.

Always hard to resist more shots of this variable eolid.

Created 8 January 2007
Updated 2 October 2016

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