This, or rather these nudibranchs were a case of inattentional blindness. The orange striped Ancula pacifica and the red tipped cerata of a Flabellina trilineata it was crawling across were noticed only when processing the photo of a Spirobranchus worm taken at Anacapa Island. Ancula pacifica was formerly known as A. gibbosa.
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Created 7 February 2018
Updated 6 October 2022
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