The Ponto-Caspian mysid Paramysis lacustris (Czerniavsky, 1882) has colonized the Middle Danube
GINOP Sustainable Ecosystems Group, MTA Centre for Ecological Research, Klebelsberg Kuno utca 3, 8237 Tihany, Hungary
2 Danube Research Institute, MTA Centre for Ecological Research, Karolina út 29-31, 1113 Budapest, Hungary
3 Laboratory for Environmental Protection, Government Office of Győr-Moson-Sopron, Török Ignác utca 68, 9028 Győr, Hungary
4 Department of Systematic Zoology and Ecology, Eötvös Loránd University, Pázmány Péter sétány 1/C, 1117 Budapest, Hungary
* Corresponding author: email@example.com
In 2017, the mysid Paramysis lacustris (Czerniavsky, 1882) was found for the first time in the Hungarian Danube section, representing the first psammo-pelophilous Ponto-Caspian peracarid colonizing the Middle Danube. In 2018, a brief survey focusing on this species revealed its presence in a more than 500-km-long river section spanning from Austria (Vienna, river km 1926) to Croatia (Batina, river km 1425). The largest populations of P. lacustris might be formed in reservoirs and slow-flowing stretches, where the appearance of the species might imply a considerable impact in connection with its zooplanktivorous feeding and important role in the diet of fish. Similar to all the other Ponto-Caspian peracarids that have crossed the Middle Danube, P. lacustris can reasonably be expected to continue its spread toward Western Europe in the future.
Key words: range expansion / Crustacea / Mysida / psammo-pelophilous / jump dispersal
© P. Borza et al., Published by EDP Sciences 2019
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