Aquatic Ecology and Centre for Water and Environmental Research, University of Duisburg-Essen, Universitätsstr. 5, 45141 Essen, Germany.
Dis Aquat Organ. 2022 Aug 4;150:125-130. doi: 10.3354/dao03681.
The release of ornamental pets outside their native range can directly or indirectly impact the recipient community, e.g. via the co-introduction of associated pathogens. However, studies on parasites associated with non-native species, in particular freshwater decapods, have focused mainly on a limited set of pathogens. Here we provide data for the first time on microsporidian parasites of the non-native ornamental shrimp Neocaridina davidi, collected in a stream in Germany. Furthermore, we confirm an ongoing range expansion of the warm-adapted N. davidi from thermally polluted colder water. In the investigated shrimps, the microsporidian parasite Enterocytozoon hepatopenaei and an unknown microsporidian isolate were detected, raising concerns about their transmission potential and pathogenicity on native crustacean species.
外来观赏宠物的释放会直接或间接影响到受纳群落，例如通过相关病原体的共同引入。然而，与非本地物种相关的寄生虫研究，特别是淡水十足目甲壳动物，主要集中在有限的一组病原体上。在这里，我们首次提供了德国一条溪流中采集的外来观赏虾秀丽白虾的微孢子虫寄生虫的数据。此外，我们证实了适应温暖环境的秀丽白虾从受污染的冷水区向温暖区的持续扩张。在所研究的虾中，检测到了微孢子虫寄生虫肝胰腺微孢子虫和一种未知的微孢子虫分离株，这引起了人们对它们在本地甲壳类动物物种上的传播潜力和致病性的关注。
