Morro Bay, California to Gulf of California.
Santa Catalina Island, 50 feet, California, USA, Pacific Ocean, 23 July 2006, Kelp Forest. Length: 60 - 70 cm. Photographer: Amber Purohit.
'Uniform dark brown to black body, sometimes with fine grey or white markings. feeds primarily on brown algae Egregia. The world's largest gastropod, it reaches 99cm in length and can weigh nearly 14kgs.' ... Behrens, D.W. (1981) Pacific Coast Nudibranchs.
Winkler, L.R. (1955) A new species of Aplysia on the southern California coast. Bull. South. Calif. Acad. Sci. 54 (1): 5-7.
Winkler, L. R. & Dawson, E.Y. (1963) Observations and experiments on the food habits of California sea hares of the genus Aplysia. Pacific Science, 17 (1): 102-105.
Re: Is this a sea slug? It's HUGE!!
From: John Sawitskas, December 30, 2006
Re: Possible Aplysia vaccaria from Santa Catalina Island
From: Ernie Hartt, August 1, 2006
Possible Aplysia vaccaria from Santa Catalina Island
From: Amber Purohit, July 31, 2006