Stylocheilus as food

July 23, 1999
From: Bill Rudman

NOMENCLATURAL NOTE: The use of the name Stylocheilus longicauda (Quoy & Gaimard, 1825) in this message is incorrect and the species referred to is really Stylocheilus striatus (Quoy & Gaimard, 1832). See my message and the separate page where the correct identity of these species is discussed. (Added 5 August 1999)


While looking at a reference on Dolabella auricularia I came across this information on Stylocheilus longicauda.

'Stylocheilus longicauda occasionally form large swarms (Switzer-Dunlap & Hadfield, 1979, Pennings & Paul, pers observ.): islanders on Rimatara, Rurutu (Austral Islands), Rarotonga and Mangaia (Cook Islands) collect and and eat S. longicauda from these swarms. Before consumption the islanders 'clean' the S. longicauda by biting off (and eating) the head and then squeezing out and discarding the internal organs: islanders claim that an individual who failed to clean the sea hares this way died after consuming them (G.Paulay & G. McCormak - pers comm). This pattern of predation by humans suggests that the metabolites toxic to humans are located in internal organs.' .. Pennings & Paul (1993)

References:
*Pennings,SC; Paul,VJ (1993): Sequestration of dietary secondary metabolites by three species of sea hares: location, specificity and dynamics. Marine Biology 117, 535-546.

*Switzer-Dunlap,M; Hadfield,MG (1979): Reproductive patterns of Hawaiian Aplysiid gastropods. In: Reproductive Ecology of Marine Invertebrates, Belle W. Baruch Library in Marine Science, number 9. (Ed: Stancyk,SE), 199-210.

Bill Rudman.

Rudman, W.B., 1999 (Jul 23) Stylocheilus as food. [Message in] Sea Slug Forum. Australian Museum, Sydney. Available from http://www.seaslugforum.net/find/1100

Factsheet

Stylocheilus striatus

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