Ground color rose-pink, dorsal processes same color, or occasionally a lighter shade of same color. Dorsum densely covered with numerous very long, gently tapered, processes. Rhinophores with 18-24 lamellae; rose-pink on shaft, and somewhat darker pink on clavus. Branchial plumes 7-14, unipinnate, dark rose-pink. Labial tentacles form oral veil.
Typically 20mm in length, but may reach at least 30mm.
Coos Bay, OR, to Isla Cedros, Baja California, Mexico.
Preys on the pink bryozoan Eurystomella bilabiata, from which it obtains the pink pigment (hopkinsiaxanthin).
GODDARD, J. H. R., N.y TRENEMAN, W. E. PENCE, D. E. MASON, P. M. DOBRY, B. GREEN, & C. HOOVER. 2016. Nudibranch range shifts associated with the 2014 warm anomaly in the northeast Pacific. Bulletin of the Southern California Academy of Sciences 115(1):15-40. PDF
GOSLINER, T. M. 2004. Phylogenetic systematics of Okenia, Sakishimaia, Hopkinsiella and Hopkinsia (Nudibranchia: Goniodorididae) with descriptions of new species from the Tropical Indo-Pacific. Proceedings of the California Academy of Sciences, series 4, 55(5):125-161, 29 figs. PDF
MACFARLAND, F. M. 1966. Studies of opisthobranchiate mollusks of the Pacific coast of North America. Memoirs of the California Academy of Sciences 6:1-546, pls. 1-72. PDF
McDONALD, G. R. 1983. A review of the nudibranchs of the California coast. Malacologia 24(1-2):114-276. PDF
SOUTHERN CALIFORNIA ASSOCIATION OF MARINE INVERTEBRATE TAXONOMISTS. 2018. A taxonomic listing of benthic macro- and megainvertebrates from infaunal & epibenthic monitoring and research programs in the southern California bight, edition 12, 1 July 2018, xviii + 167 pp. PDF
Hopkinsia rosacea.
Body | doridiform |
---|---|
Classification | Doridina |
Rhinophores | perfoliate |
Labial tentacles | oral veil |
Dorsum | covered with long processes |