Description ²

Ground color lemon yellow to orange, the brown to dark reddish brown digestive gland can be seen through the semi-translucent dorsum. Rhinophores with 7-15 lamellae; margin of rhinophore sheath usually with 3 tubercles. Dorsum covered with numerous rounded tubercles. Branchial plumes 9-17, unipinnate, darker in color than body. Labial tentacles in form of oral veil.

Size ²

Up to 15mm in length, typically about half that length.

Geographic Range ²

Prince William Sound, AK, to Lion Rock, San Luis Obispo Co., CA. Fahey & Valdes, 2005 also report: North Atlantic (Britain to France, and north across Norway, west to Iceland, Greenland and south to Massachusetts). Chichvarkhin, 2006 reports: Kievka Bay & Peter the Great Bay, Russia. Martynov, 2006a reports: Peter the Great Bay, and Japan

Notes ²

Found in the intertidal, and subtidal to 13 meters. In California it feeds on the bryozoans Lyrula hippocrepsis and Reginella mucronata, which are typically found under rocks.

Synonyms ²

Adalaria jannae Millen, 1987

References ²

CHICHVARKHIN, Anton. 2016. Shallow water sea slugs (Gastropoda: Heterobranchia) from the northwestern coast of the Sea of Japan, north of Peter the Great Bay, Russia. PeerJ 4(e2774):1-42. DOI 10.7717/peerj.2774. PDF

FAHEY, S. J., & Á. 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

MARTYNOV, A. V. 2006a. Nudibranchia, pp. 268-294, pls. 131-138. In : Yu. I. Kantor & A. V. Sysoev. Marine and brackish water Gastropoda of Russia and adjacent countries: an illustrated catalogue. Moscow: KMK Scientific Press Ltd., 372 pp., 140 pls.

MARTYNOV, A. V., T. KORSHUNOVA, N. SANAMYAN, & K. SANAMYAN. 2009. Description of the first cryptobranch onchidoridid Onchimira cavifera gen. et sp. nov., and of three new species of the genera Adalaria Bergh, 1879 and Onchidoris Blainville, 1816 (Nudibranchia: Onchidorididae) from Kamchatka waters. Zootaxa 2159:1-43. PDF

MARTYNOV, A. V., & M. SCHRÖDL. 2011. Phylogeny and evolution of corambid nudibranchs (Mollusca: Gastropoda). Zoological Journal of the Linnean Society 163(2):585-604. 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

• iNat taxon page
• Animal Diversity Web
• Biodiversity Heritage Library
• BOLD Systems BIN search
• Global Biodiversity Information Facility (GBIF)
• SeaLifeBase
• World Register of Marine Species

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