Berthella californica
(Dall, 1900)

Order: NOTASPIDEA
Superfamily: PLEUROBRANCHOIDEA
Family: Pleurobranchidae

DISTRIBUTION

Known from Alaska to Panama and the Galapagos (Behrens & Hermisillo, 2005; Camacho-Garcia, et al. 2005). Reported here from Peter the Great Bay, Russia.

PHOTO

UPPER: La Jolla Shores, San Diego County, southern California. Brown colour form, laying egg ribbon. Photo: Steve Gardner.
LOWER: Peter the Great Bay, nr Vladisvostok, Russia. Photo: Valeri Darkin.

Translucent white with opaque white spots on mantle, oral veil and foot. Edge of mantle and foot with an opaque white line. In San Diego region, California there is a colour variety with a brownish background colour.

Reference:
• Gosliner, T.M. & Bertsch, H. (1988). A review of the genus Berthella (Opisthobranchia: Notaspidea) from the Pacific Coast of North America. The Veliger, 31: 46-67.

Authorship details
Rudman, W.B., 2001 (January 15) Berthella californica (Dall, 1900). [In] Sea Slug Forum. Australian Museum, Sydney. Available from http://www.seaslugforum.net/factsheet/bertcali

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