Non-native parasitic copepod Neoergasilus japonicus (Harada, 1930) utilizes non-native fish host Lepomis gibbosus (L.) in the floodplain of the River Dyje (Danube basin)
Language English Country Germany Media print-electronic
Document type Journal Article
Grant support
P505/12/G112
Grantová Agentura České Republiky
PubMed
30353234
DOI
10.1007/s00436-018-6114-1
PII: 10.1007/s00436-018-6114-1
Knihovny.cz E-resources
- Keywords
- 18S, 28S rDNA, Centrarchidae, Copepod, Lepomis, Neoergasilus, Species introductions,
- MeSH
- Copepoda physiology MeSH
- Ectoparasitic Infestations parasitology veterinary MeSH
- Fish Diseases parasitology MeSH
- Perciformes parasitology MeSH
- Animal Fins parasitology MeSH
- Rivers parasitology MeSH
- Introduced Species MeSH
- Animals MeSH
- Check Tag
- Female MeSH
- Animals MeSH
- Publication type
- Journal Article MeSH
- Geographicals
- Czech Republic epidemiology MeSH
The parasitic copepod Neoergasilus japonicus (Harada, 1930) (Ergasilidae), native to east Asia, is widely distributed in Asia, Europe, and North and Central America. Recently, this species appeared in lentic water bodies of the River Dyje floodplain (Danube basin, Czech Republic). It was first recorded in 2015 and in 2 years it reached a 100% prevalence in recently expanding non-native fish host, Lepomis gibbosus (Linnaeus, 1758) (Centrarchidae, native to North America) at two borrow pits. Abundance of N. japonicus increased with fish length, with maximum intensity of infection reaching 99 parasites per fish. The parasite was most frequently found attached to the dorsal and anal fins of fish, while preference for the dorsal fin was more evident with lower infection intensities. Utilization of expanding fish hosts in water bodies that are regularly interconnected via natural or managed flooding may support the rapid dispersal of this non-native parasite.
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