Study of the Hejő brook watershed fish fauna

Literature sources mention 18 fish species from the Hejő watershed. In order to learn more about the fauna, we studied the brook and its tributaries between 2003–2005. We detected a total of 32 fishspecies, 17 of which are new for the watershed. Most of these are native species (Rutilus rutilus, Leu...

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Bibliographic Details
Published in:Acta Agraria Debreceniensis
Main Authors: Harka, Ákos, Szepesi, Zsolt
Format: Article in Journal/Newspaper
Language:English
Published: Faculty of Agricultural and Food Sciences and Enviromental Management of the Debrecen University, Debrecen. 2021
Subjects:
antropogenic effects
natural values
Umbra krameri
Phoxinus phoxinus
Lota lota
Gymnocephalus cernuus
lota
Online Access:http://hdl.handle.net/2437/316568
https://ojs.lib.unideb.hu/actaagrar/article/view/3044
https://doi.org/10.34101/actaagrar/25/3044
Description
Summary:Literature sources mention 18 fish species from the Hejő watershed. In order to learn more about the fauna, we studied the brook and its tributaries between 2003–2005. We detected a total of 32 fishspecies, 17 of which are new for the watershed. Most of these are native species (Rutilus rutilus, Leuciscus leuciscus, Leuciscus idus, Aspius aspius, Leucaspius delineatus, Gobio albipinnatus, Abramis bjoerkna, Abramis ballerus, Lota lota, Gymnocephalus cernuus, Sander lucioperca), but there are some adventive ones (Pseudorasbora parva, Carassius gibelio, Ameiurus melas, Lepomis gibbosus, Perccottus glenii) and a spontaneously immigrated species as well (Proterorhinus marmoratus).Specific natural values of the watershed are the isolated population of minnow (Phoxinus phoxinus) in Kulcsárvölgyi Brook and the frequently occurring mudminnow (Umbra krameri) in the lower reach of Hejő Brook.

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