Diet of the twaite shad Alosa fallax (Lacépède) (Clupeidae) in the River Tagus Estuary, Portugal |
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| Authors: | C. A. Assis P. R. Almeida F. Moreira J. L. Costa M. J. Costa |
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| Affiliation: | Departamento de Zoologia e Antropologia, Facultade de Ciências de Lisboa, Campo Grande, Bloco C-2, 3°Piso, 1700 Lisboa, Portugal |
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| Abstract: | The diet of Alosafallax was studied by means of the frequency of occurrence of prey items. In the Tagus Estuary, shads feed preferentially on fish, with mysids, shrimp, isopods and insects occurring as secondary prey. |
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| Keywords: | Alosa fallax Tagus Estuary diet frequency of occurrence piscivory |
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