Cerberilla asamusiensis
Baba, 1940

Order: NUDIBRANCHIA
Suborder: AEOLIDINA
Family: Aeolidiidae

PHOTO

Toyama, Toyama Bay, Japan. 30-40mm length. 3 July 2002. Photo courtesy of the Takaoka Biological Club, Japan.

This species has similarities to Cerberilla annulata in colour but in that species the yellow and black bands on the cerata are bands of regular width and outlined in white. In C. asamusiensis the yellow-orange region covers a broad section of the upper ceras and the black region is cap-shaped. It also differs in the blackinsh rhinophres and the black line that runs across the front of the head and along the front edge of the oral tentcales to join the black upper half of the oral tentacles.

References:
• Baba, K. (1940) Some additions to the nudibranch fauna of the northern part of Japan. Bulletin Biogeographical Society of Japan, 10(6): 103-111.
• Baba, K. (1976) The genus Cerberilla of Japan (Nudibranchia: Eolidoidea: Aeolidiidae), with the description of a new species. The Veliger, 18(3): 272-280.

Authorship details
Rudman, W.B., 2002 (July 11) Cerberilla asamusiensis Baba, 1940. [In] Sea Slug Forum. Australian Museum, Sydney. Available from http://www.seaslugforum.net/factsheet/cerbasam

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