Abstract

The diet of cod ( Gadus morhua L.) in the Celtic Sea was studied by analysis of stomach contents. Cod were found to prey on decapods (43% of weight) and fish (54%). Cod are opportunists and the diversity of food composition reflected the dispersal of prey according to season and area. The Norway lobster ( Nephrops norvegicus) is eaten chiefly in the central area; Brachyura are more numerous off the Irish coasts. The most abundant fish prey are Norway pout ( Trisopterus esmarki), poor cod ( Trisopterus minutus) and blue whiting ( Micromesistius poutassou).

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