Acanthodoris nanaimoensis
O'Donoghue 1921

Order: NUDIBRANCHIA
Suborder: DORIDINA
Superfamily: ANADORIDOIDEA
Family: Onchidorididae

DISTRIBUTION

West coast of Nth America from Alaska to Santa Barbara, California.

PHOTO

22 mm long, on its ctenostome bryozoan prey, Alcyonidium polyoum. Rocky intertidal at Cape Arago, Oregon, USA, August 1987. Photo: Jeff Goddard.

The background colour ranges from translucent white to grey. The mantle is covered in prominent conical papillae which are tipped with milky yellow. There is a milky yellow border to the mantle. The gills and rhinophores are tipped with a colour which ranges from orange-brown to a dark maroon. Grows to about 35mm in length.

  • O'Donoghue, C.H. (1921). Nudibranchiate mollusca from the Vancouver Island region. Transactions of the Royal Canadian Institute, Toronto, 13(1): 147-209
Authorship details
Rudman, W.B., 2005 (November 10) Acanthodoris nanaimoensis O'Donoghue 1921. [In] Sea Slug Forum. Australian Museum, Sydney. Available from http://www.seaslugforum.net/factsheet/acannana

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