Triopha catalinae
(Cooper, 1863)

Order: NUDIBRANCHIA
Suborder: DORIDINA
Superfamily: ANADORIDOIDEA
Family: Polyceridae
Subfamily: Triophinae

DISTRIBUTION

West coast of North America from Alaska to Mexico. Also reported from Japan, and in Forum from Sth Korea.

PHOTO

UPPER: San Miguel Island, Channel Islands National Park, California - July 2003, on Bugula, one of the bryozoans it eats. Photo: Bruce Wight
LOWER: W. Anacapa Island in approx. 8 m depth on a vertical wall of a rock [off Los Angeles, California, USA]. Approx 20mm long. Photo: Daniel Geiger.

Grows up to 70mm long. Reported to feed on a number of bryozoans, including Bugula mollis, Caulibugula ciliata, Cellaria mandibulata, Crisia spp., Dendrobeania lichenoides and Scrupocellaria spp.

Reference:
• Cooper, J.G. (1863). On new or rare mollusca inhabiting the coast of California. 2. Proceedings of the California Academy of Sciences, 3: 56-60

Authorship details
Rudman, W.B., 1999 (December 21) Triopha catalinae (Cooper, 1863). [In] Sea Slug Forum. Australian Museum, Sydney. Available from http://www.seaslugforum.net/factsheet/triocata

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