Abstract
La dieta y preferencia alimentaria de Caprodón longimanus fue estudiada a partir de 55 especímenes capturados en la Isla Alejando Selkirk, Chile entre Noviembre y Diciembre de 1996. Los ejemplares fueron capturados utilizando línea de profundidad. El intervalo de tallas fue 176-286 mm LE. Este serránido es un depredador pelágico zooplactófago oportunista. El componente alimentario más abundante y frecuente fue Thalia sp. (Tunicata:Salpida), con un total de 1655 individuos y 93.3% de frecuencia de ocurrencia. Se identificaron crustáceos (17 géneros), pterópodos, quetognatos y poliquetos. El 14.3% de los estómagos estaba vacío.
Highlights
Groupers are carnivorous fishes that live near the bottom in littoral and sublittoral zones of tropical and subtropical seas
The genus Caprodon is a serranid that belongs to the subfamily Anthiinae and is com posed by three species (K.harin and Dudarev 1983), there is abundant information in the literature regarding feeding habits ofser ranid species, groupers, sandbasses, etc., there is almost no information for any species of Caprodon
The purpose of the present study is to provide the first longimanus at diet of Island, Juan Fernández Archipelago, Chile
Summary
Groupers are carnivorous fishes that live near the bottom in littoral and sublittoral zones of tropical and subtropical seas. Most species occur on coral reefs, but some live in estuaries and are near or al the top trophic levels of the food chains This group includes over 400 species within five subfamilies and most of them are of considerable economic value (Shpigel and Fishelson 1989, Heemstra and Randall 1993). A few species, stand apart from this pattern eating small prey and showing spe cific adaptations for this feeding mode. They have long and numerous gillrakers that allow them to filter planktoníc organisms (Parir sh 1987, Bullock and Smith 1991, Heemstra and Randa111993).
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