Diet, Prey Selection and Biomass Consumption of the Great Cormorant (Phalacrocorax carbo) in Algeria

This is the first study on diet of Great Cormorant wintering in Algeria. It carried out Beni Haroun, largest dam lake country, north-east The trophic menu Phalacrocorax carboin this based four species fish; Abramis bramas, Carassius carassius, Barbus barbus and Cyprinus carpio. However, carassius represent two most important Cormorant’s diet. total consumed biomass 155,364.18 g, average contained each pellet varies between 330.7 2,953 g. fish 36.89 g 2,501 size caught records values ??between 13.7 cm 52.49 cm. number per 1 9. results show that great cormorant Beni-Haroun Dam Lake consumes 573 2,353.3 day 49.8 t 185 month. highest value recorded January (between 81.5 300.5 t). could have a significant impact continental recreational fishing at site.