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Fish assemblage of the artificial flood protection channel Kupa-Kupa

The objective of this paper is to determine the qualitative and quantitative composition of the fish community, and distribution of native and non- native fishes in the channel Kupa-Kupa. Fish community of the channel Kupa-Kupa was analyzed from September 2017 to September 2019. At eight different locations, 23 species from eight families were found. The dominant species was European bitterling Rhodeus amarus which takes up 32.83% of total number of fish caught, while the least represented is Asp Leuciscus aspius with one individual. During this research, one endemic fish species was found, as well as two invasive alien species (IAS). Non-native species hold a significant share in the fish community of the channel Kupa-Kupa.

fish community, channel Kupa-Kupa, endemic species, non-native species

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