Gulf of California
UPPER: Adult about to eat a specimen of Tambja abdere. LOWER: Juvenile. Both animals were collected in Bahia de Los Angeles, Baja California, 2000. PHOTOS: Angel Valdes.
It can grow to 12 inches (30 cm) in length and feeds on other nudibranchs which it grasps with its radular teeth and swallows whole. It is reported to feed on the bryozoan-feeding nudibranchs Tambja eliora and Tambja abdere and is also cannibalistic, eating others of its own kind.
•Farmer, W.M. 1978. Tambja and Roboastra (Mollusca, Opisthobranchia) from the Gulf of California and the Galapagos Islands. The Veliger, 20: 375-385.
Rudman, W.B., 2000 (December 28) Roboastra tigris Farmer, 1978. [In] Sea Slug Forum. Australian Museum, Sydney. Available from http://www.seaslugforum.net/factsheet/robotigr
Re: Roboastra tigris? from Galapagos
From: Juan Lucas Cervera, January 25, 2004
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From: Charlie Richardson, July 29, 2001
Re: Photos of Roboastra tigris feeding
From: Angel Valdes, January 14, 2001
Photos of Roboastra tigris feeding
From: Angel Valdes, January 13, 2001
The Ravenous Sea Tiger
From: Josh Barrax, December 31, 2000