Cadlina luteomarginata
MacFarland, 1966

Suborder: DORIDINA
Family: Chromodorididae


West Coast of Nth America from Alaska to Mexico.


Cape Arago, Oregon, USA. on food sponge Pleraplysilla sp. Photo: Jeff Goddard.

See Cadlina luteomarginata Radula Photos.

Cadlina luteomarginata is found on the west coast of North America from Mexico to Alaska (Behren's 1991). It is white with yellow capped tubercles, a yellow border to the mantle and the foot, and yellow tipped gills and rhinophores. The edges of the gill and rhinophore pockets are also lined with yellow. However, although the yellow border appears to be consistently present, it seems that any of the other yellow markings may be absent in particular individuals. Cadlina luteomarginata is reported to feed on a variety of spiculate sponges including Halichondria, Myxilla, and Higginsia. See Jeff Goddard's message below. [Cadlina luteomarginata MacFarland, 1966 is a replacement name for Cadlina marginata Macfarland, 1905, which for nomenclatural reasons is unavailable].

A similarly coloured species from the east coast of Nth America has been identified as Cadlina luteomarginata but there are consistent colour and food differences. See the Cadlina cf. luteomarginata Page.

• 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.
• Rudman, W.B. (1984) The Chromodorididae (Opisthobranchia: Mollusca) of the Indo-West Pacific: a review of the genera. Zoological Journal of the Linnean Society, 81: 115-273.

Authorship details
Rudman, W.B., 2001 (August 22) Cadlina luteomarginata MacFarland, 1966. [In] Sea Slug Forum. Australian Museum, Sydney. Available from

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