Hermissenda crassicornis nudibranch (opalescent sea slug)

Nudibranchs: Hermissenda crassicornis

Another cool nudibranch in southern California is the opalescent sea slug: Hermissenda crassicornis. I think the small one might be a Flabellina pricei but I’m not 100% certain.

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  1. […] San Diego nudibranchs such as the Spanish Shawl, the yellow-edged Cadlina, the Sea Lemon, and Hermissenda crassicornis. The AcropolisOur second dive was on The Acropolis dive site, also in the Point Loma kelp […]