Description ²

Ground color varies from white to cream yellow. The dorsum bears numerous nearly spherical, spiculate, pedunculate tubercles. Rhinophores with 6-11 lamellae, colored as dorsum. Branchial plumes 6-18, unipinnate, colored as dorsum. Labial tentacles triangular.

Size ²

Up to 14mm in length.

Geographic Range ²

Kyska, AK, to Estero de Coyote, Baja California, Mexico; east coast of North America; Europe.

Notes ²

Found in the low, rocky intertidal, and subtidal to 126 meters. Preys upon several species of bryozoan, on the Pacific coast it as been found under rocks where it preys upon the bryozoans: Eurystomella bilabiata, Microporella cribosa, Nolella stipitata, and Reginella mucronata.

References ²

CHICHVARKHIN, A., O. CHICHVARKHINA, I. EKIMOVA, & K. CHALENKO. 2018. First record of nudibranch mollusk Onchidoris muricata (O. F. Müller, 1776) (Mollusca, Gastropoda, Heterobranchia) in the Sea of Japan and its ephemeral population associated with unusual prey. Marine Biodiversity 48:1571-1578. DOI:10.1007/s12526-016-0577-z. [published online 2016]. PDF

FAHEY, S. J., & A. VALDÉS. 2005. Review of Acanthodoris Gray, 1850 with a phylogenetic analysis of Onchidorididae Alder and Hancock, 1845 (Mollusca, Nudibranchia). Proceedings of the California Academy of Sciences, series 4, 56(20):213-272. PDF

MILLEN, S. V. 1985. The nudibranch genera Onchidoris & Diaphorodoris (Mollusca, Opisthobranchia) in the northeastern Pacific. The Veliger 28(1):80-93. PDF

Additional Info ²

WoRMS

Sources and Credits

1. (c) Gary McDonald, all rights reserved, uploaded by Gary McDonald
2. (c) Gary McDonald, some rights reserved (CC BY-SA)

More Info

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