Cuthona flavovulta
(MacFarland, 1966)

Family: Tergipedidae


Known from Oregon & California, west coast, USA.


Duxbury Reef, Bolinas, California, USA. Depth: 0 m. Length: ~ 1 cm. 20 August 2005. Rocky intertidal. Photographer: Ken-ichi Ueda

The body is translucent clear with the head back to behind the rhinophores is orange or yellowish orange. The oral tentacles and simple rhinophores are translucent white with scattered opaque white patches. There can also be an orange mark over the pericardium in the dorsal midline. There is also an opaque white line down the dorsal midline, from the last cerata to the posterior tip of the body. The ceratal digestive gland duct ranges in colour from a deep blackish brown to light green. The transparent ceratal wall is covered with scattered opaque white spots. It grows to approximately 1 cm in length.

  • Behrens, D. W. (1991) Pacific Coast Nudibranchs. Monterey, California, Sea Challengers.  107.
  • MacFarland, F. M. (1966) Studies of Opisthobranchiate Mollusks of the Pacific coast of North America. Memoirs of the California Academy of Sciences, 6: 1-546.
Authorship details
Rudman, W.B., 2005 (September 18) Cuthona flavovulta (MacFarland, 1966). [In] Sea Slug Forum. Australian Museum, Sydney. Available from

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