Temporal and size‐related changes in the frequency of empty stomachs in smelt
Identifieur interne : 000909 ( Main/Exploration ); précédent : 000908; suivant : 000910Temporal and size‐related changes in the frequency of empty stomachs in smelt
Auteurs : M. Vinni [Finlande] ; J. Lappalainen [Finlande] ; J. Horppila [Finlande]Source :
- Journal of Fish Biology [ 0022-1112 ] ; 2005-02.
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Abstract
The frequency of empty stomachs (FES) of 3290 smelt Osmerus eperlanus was analysed during winter and two growing seasons. Variations in FES showed that smelt is a daytime feeder and feeding activity is low during the hours of darkness and also during the winter under ice cover. The results suggested further that the diet shifts of smelt are not permanent until the onset of piscivory.
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DOI: 10.1111/j.0022-1112.2005.00615.x
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