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Size selectivity in the diet of the young cuttlefish Sepia officinalis (Mollusca: Sepiidae)

Published online by Cambridge University Press:  04 April 2001

A. Blanc  and
J. Daguzan
A. Blanc
Affiliation:
Université de Rennes I, UMR 6553, bat 13, Campus de Beaulieu, F-35042 Rennes Cedex, France
J. Daguzan
Affiliation:
Université de Rennes I, UMR 6553, bat 13, Campus de Beaulieu, F-35042 Rennes Cedex, France
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Abstract

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The prey size of young cuttlefish was investigated by measuring the size of entire animals, carapace, periopods, and otoliths in the stomach contents of specimens from Morbihan Bay in 1994–1996. The young of the Sepia species consumed a wide range of prey sizes. The size of all isopods and amphipods was less than the 50% of those of the Sepia. The size ratio of brachyurans varied between 14 and 37% of the dorsal mantle length of the cuttlefish. The young could catch fish species which were three times larger than itself.

Type
Brief Report
Information
Journal of the Marine Biological Association of the United Kingdom , Volume 80 , Issue 6 , December 2000 , pp. 1137 - 1138
Copyright
© 2000 Marine Biological Association of the United Kingdom