Metazoan parasites of Neogobius kessleri, recently introduced fish species in the Middle Danube basin

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Authors

ONDRAČKOVÁ Markéta DÁVIDOVÁ Martina JURAJDA Pavel

Year of publication 2005
Type Article in Proceedings
Conference Sborník abstraktů, Helminthologia
MU Faculty or unit

Faculty of Science

Citation
Field Zoology
Keywords gobies; parasites; fish introduction
Description Specimens of N. kessleri were collected from six localities in the Slovakian part of Danube River (former and current main channel), from two adjacent backwaters, and from lower Hron and Váh Rivers during 2002 to 2004. All fish were parasitized. Thirty three species of metazoan parasites were recovered from bighead goby, when most of the parasites were common species in the central Danube River region. In the native area of bighead goby distribution, lower Danube River, 23 parasite species have been reported. Seven widely distributed parasite species (B. polymorphus, D. spathaceum, T. clavata, P. laevis, C. lacustris, E. sieboldi and glochidia of Unionidae) have occurred in both native and non-native area. In total, 88 % of all parasites found composed by glochidia of Unionidae and acanthocephalan. Glochidia of A. anatina and P. laevis were the dominant parasite species. Larval and immature parasites dominated in all fish examined, where bighead goby served as the intermediate or paratenic host.
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