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Feeding habits and prey selection by the skate Dipturus chilensis (Elasmobranchii: Rajidae) from the south-western Atlantic

Published online by Cambridge University Press:  31 October 2000

Luis O. Lucifora ,
Juan L. Valero ,
Claudia S. Bremec  and
Mario L. Lasta
Luis O. Lucifora
Affiliation:
Universidad Nacional de Mar del Plata, Departamento de Biología, Casilla de Correo 82, Mar del Plata (7600), Argentina Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Argentina
Juan L. Valero
Affiliation:
University of Washington, School of Fisheries, Seattle, WA 98195, USA
Claudia S. Bremec
Affiliation:
Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Argentina Instituto Nacional de Investigación y Desarrollo Pesquero, Paseo Victoria Ocampo s/n, Mar del Plata (7600), Argentina
Mario L. Lasta
Affiliation:
Instituto Nacional de Investigación y Desarrollo Pesquero, Paseo Victoria Ocampo s/n, Mar del Plata (7600), Argentina
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Abstract

The diet of Dipturus chilensis was composed mainly of the nototheniid fish Patagonotothen ramsayi, squid Illex argentinus, hake Merluccius hubbsi, serolid isopods, and crustaceans. Our results suggest that D. chilensis feeds selectively on some teleosts and rejects eel-like fishes. Total length of consumed P. ramsayi was significantly correlated with the skate's mouth width.

Type
Brief Report
Information
Journal of the Marine Biological Association of the United Kingdom , Volume 80 , Issue 5 , October 2000 , pp. 953 - 954
Copyright
2000 Marine Biological Association of the United Kingdom

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