University of Oulu

Reyda, F.B., Wells, S.M., Ermolenko, A.V. et al. Global parasite trafficking: Asian Gyrodactylus (Monogenea) arrived to the U.S.A. via invasive fish Misgurnus anguillicaudatus as a threat to amphibians. Biol Invasions 22, 391–402 (2020).

Global parasite trafficking : Asian Gyrodactylus (Monogenea) arrived to the U.S.A. via invasive fish Misgurnus anguillicaudatus as a threat to amphibians

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Author: Reyda, Florian B.1; Wells, Scott M.2; Ermolenko, Alexey V.3;
Organizations: 1Biology Department and Biological Field Station, State University of New York College at Oneonta, Oneonta, NY, USA
2Region 4 Bureau of Fisheries, New York State Department of Environmental Conservation, Stamford, NY, USA
3Institute of Biology and Soil Science, 159, Prospekt Stoletiya, Vladivostok, Russia, 690022
4Department of Molecular Evolution, Faculty of Biology, University of Gdańsk, Wita Stwosza St., 59, 80-308, Gdańsk, Poland
5Ecology and Genetics, University of Oulu, Oulu, Finland
Format: article
Version: accepted version
Access: open
Online Access: PDF Full Text (PDF, 2.5 MB)
Persistent link:
Language: English
Published: Springer Nature, 2020
Publish Date: 2020-10-12


A monogenean flatworm Gyrodactylus jennyae Paetow, Cone, Huyse, McLaughlin & Marcogliese, 2009 was previously described as a pathogen on bullfrog Lithobates catesbeianus Shaw, 1802, in a Canadian captive population originating in Missouri, U.S.A. The ITS barcoding of G. jennyae showed relatedness to Asian Gyrodactylus macracanthus Hukuda 1940, a parasite of the Asian loach Misgurnus anguillicaudatus Cantor, 1842. The resulting suggestion that the globally invasive pet-trade of fish may be a mechanism for arrival of Gyrodactylus species to North America provided the framework for the current study. The present study was undertaken following the discovery of two other species of Gyrodactylus in a population of illegally introduced M. anguillicaudatus in New York State. Here the invasion hypothesis was tested via DNA sequencing of the ITS of the two Gyrodactylus species obtained from M. anguillicaudatus from New York, termed Gyrodactylus sp. A and Gyrodactylus sp. B. Both Gyrodactylus sp. A and Gyrodactylus sp. B were closely related to G. jennyae and G. macracanthus, and all belong to a molecularly well-supported monophyletic Asian freshwater group. In conclusion, this invasive fish has trafficked at least three parasite species to the U.S.A., one of them also found on frog. This route from the Asian wetlands to other continents is similar to that of amphibian chytrid fungi of genus Batrachochytrium Longcore, Pessier & Nichols, 1999.

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Series: Biological invasions
ISSN: 1387-3547
ISSN-E: 1573-1464
ISSN-L: 1387-3547
Volume: 22
Pages: 391 - 402
DOI: 10.1007/s10530-019-02097-4
Type of Publication: A1 Journal article – refereed
Field of Science: 1181 Ecology, evolutionary biology
Funding: The early molecular work in Oulu University was supported by the Academy of Finland (Grants 63787, 134592). This study was funded in part by a National Science Foundation Field Stations and Marine Laboratories Grant to W. Harman (NSF DBI 1034744).
Academy of Finland Grant Number: 134592
Detailed Information: 134592 (Academy of Finland Funding decision)
Copyright information: © Springer Nature Switzerland AG 2019. This is a post-peer-review, pre-copyedit version of an article published in Biol Invasions. The final authenticated version is available online at