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Description
Unidentia is a genus of aeolid nudibranchs established in 2012. It is placed in the family Unidentiidae, which some sources now treat as a junior synonym of Piseinotecidae. The species occur in the tropical eastern Pacific (Mexico to Panama) and the Indo-Pacific, feed on hydroids (for example Corydendrium parasiticum) and store stinging cells from their prey.
Identification
An elongate body with slender finger-like cerata arranged in raised rows rather than arches, smooth rhinophores (not papillate) and oral tentacles of similar length. In U. angelvaldesi three purple longitudinal lines run along a translucent pinkish or whitish body, with white patches between the ceratal rows. These features separate it from similar species such as Flabellina rubrolineata.
Species in this genus (2)
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