<abstract xmlns="http://www.w3.org/1999/xhtml"><p>Alien fish species are known for the negative impacts they can have on native species and their ability to shape recipient communities. One such case is the North American channel catfish, <italic>Ictalurus punctatus</italic> (Raf.), in the Arno River in central Italy. During river bank reconstruction, specimens of this species (n=40) were collected, and the stomach content was analysed. As a result, we highlight the opportunistic feeding behavior of this alien species that is responding rapidly to newly available resources and also poses a threat to native species.</p></abstract>

Alien fish species are known for the negative impacts they can have on native species and their ability to shape recipient communities. One such case is the North American channel catfish, Ictalurus punctatus (Raf.), in the Arno River in central Italy. During river bank reconstruction, specimens of this species (n=40) were collected, and the stomach content was analysed. As a result, we highlight the opportunistic feeding behavior of this alien species that is responding rapidly to newly available resources and also poses a threat to native species.

Opportunistic alien catfish: unexpected findings in the diet of the alien species <italic>Ictalurus punctatus</italic> in Central Italy

Department of River Ecology and Conservation, Senckenberg Research Institute and Natural History Museum Frankfurt

Scienze delle Produzioni Agroalimentari e dell’Ambiente,

NEMO, Nature and Environment Management Operators

Fisheries & Aquatic Life

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

Opportunistic alien catfish: unexpected findings in the diet of the alien species  in Central Italy

Alien fish species are known for the negative impacts they can have on native species and their ability to shape recipient communities. One such case is the...

Opportunistic alien catfish: unexpected findings in the diet of the alien species Ictalurus punctatus in Central Italy

Published Online: Feb 01, 2019

Page range: 239 - 242

Received: Jul 25, 2018

Accepted: Dec 10, 2018

DOI: https://doi.org/10.2478/aopf-2018-0027

Keywords
feeding, opportunistic, impact

© 2018 Archives of Polish Fisheries, published by Sciendo

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

Opportunistic alien catfish: unexpected findings in the diet of the alien species Ictalurus punctatus in Central Italy

Published Online: Feb 01, 2019

Page range: 239 - 242

Received: Jul 25, 2018

Accepted: Dec 10, 2018

DOI: https://doi.org/10.2478/aopf-2018-0027

Keywordsfeeding, opportunistic, impact

© 2018 Archives of Polish Fisheries, published by Sciendo

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

Keywords
feeding, opportunistic, impact