Parasite communities and infection levels of the invasive Chinese sleeper Perccottus glenii (Actinopterygii: Odontobutidae) from the Naab river basin, Germany.

摘要: The Chinese sleeper (Perccottus glenii), an invasive Asian fish, was first registered in Germany 2009 (westernmost extent of its range). We sampled sleepers from two localities on the Bucherlgraben creek (a tributary River Naab) south-eastern November 2015 and examined them for parasite infection. Twelve taxa were registered, including ciliates (unidentified Trichodina), a monogenean, three cestode species, digenean taxa, acanthocephalan nematode species one mollusc glochidia. Infracommunities consisted 1-5 with 10% fish uninfected. Three (Acanthocephalus anguillae, Gyrodactylus luciopercae Pseudocapillaria tomentosa) recorded time. results highlight important role as second intermediate host life cycle heron grebe parasites. community displayed low homogeneity at both sampled, allogenic parasites (metacercariae mesocercoids) mostly shared. Differences between mainly caused by autogenic No associated observed study area, all being representatives European fauna. This supports hypothesis introduction via aquarium trade or through transport commercial fish.