Régime alimentaire des Sclaenldae (Poissons TOie.ste.ns) du golfe de Tunis

Abstract

The Sciaenidae of theTunis bay eat abundantly duringth eyear and reveal themselvestobe voracious ؟ redatories ; the vacui؛y coefficient variittions are apparently linked to the physiological conditions of Umbrinu cirrosa ami Sciaena umbra ؛iv، ru١% \i١e aimai cycie, The diet study ,shows distinct diffcrences in the Sciaenidae's fceding : Sciaena umbra lives almost ؛ xçlusively on Cnistacea, Umbrina cirrosa searches for the CmstaCea but ingests Molluscs and
Polycheles as well, Argyrosomus regius pursues in particular fishes for its food, w_e also note, together with the growing in size.aqualitative andaqu.amitative variation in the diet of the Sciaena umbra s۴ cies.