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Predation on Gonatus antarcticus by Falkland Islands seabirds

Published online by Cambridge University Press:  12 May 2004

K.R. Thompson
K.R. Thompson
Affiliation:
Falklands Conservation, PO Box 31, Stanley, Falkland Islands Present address: 109 Beltoy Road Carrickfergus, Co. Antrim, N. Ireland, UK
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Abstract

Recent studies of Falkland Islands seabird diets have found that Gonatus antarticus is a major prey item for a number of penguin species. Rockhopper (Eudyptes chrysocome), gentoo (Pygoscelis papua) and Magellanic (Spheniscus magellanicus) penguins breeding in the Falklands are estimated to consume several thousand million Gonatus per annum, with mean dorsal mantle lengths of 28–42 mm. Aspects of the distribution and growth of the G. antarcticus stock in the vicinity of the Falkland Islands are discussed.

Keywords

Gonatus antarcticuspenguinsFalkland Islands
Type
Research Article
Information
Antarctic Science , Volume 6 , Issue 2 , June 1994 , pp. 269 - 274
Copyright
© Antarctic Science Ltd 1994

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