Diaulula sandiegensis
(Cooper, 1862)

Order: NUDIBRANCHIA
Suborder: DORIDINA
Superfamily: EUDORIDOIDEA
Family: Dorididae

DISTRIBUTION

From Alaska to Baja California, Mexico. Also reported from Japan.

PHOTO

Two colour forms. San Miguel Island off Santa Barbara, California, 60 feet. July 2000. Photos: Bruce Wight.

Mantle has velvety appearance, similar to Rostanga and Jorunna, caused my minute spiculate papillae (caryophyllidia). Ranges in colour from white to yellow-brown with scattered brown rings or blotches. Grows to 10 cm in length.

Reference:
• Cooper, J.G. (1862). Some new genera and species of Californian mollusca. Proceedings of the Californian Academy of Natural Sciences, 2: 202-207

Authorship details
Rudman, W.B., 2000 (July 4) Diaulula sandiegensis (Cooper, 1862). [In] Sea Slug Forum. Australian Museum, Sydney. Available from http://www.seaslugforum.net/factsheet/diausand

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