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Pseudorhabdosynochus kasetsartensis n. sp. (Monogenea: Diplectanidae) from the cloudy grouper Epinephelus erythrurus (Valenciennes) (Perciformes: Serranidae) in the lower Gulf of Thailand

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Abstract

Pseudorhabdosynochus kasetsartensis n. sp. is described from the gills of the cloudy grouper Epinephelus erythrurus (Valenciennes) caught in the lower Gulf of Thailand. The new species is distinguished from other species assigned to the genus by the structure of its sclerotised vagina which has a wide and prominent sclerotised trumpet, long, thin, coiled or curved primary canal, short secondary canal, and primary and secondary chambers that are blind extremities of the primary and secondary canals, respectively. This is the first species of Pseudorhabdosynochus Yamaguti, 1958 described from E. erythrurus and the first record of a species of Pseudorhabdosynochus in Thailand.

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Acknowledgements

We thank Mrs Eileen Harris (Senior Curator Parasitic Worms Invertebrate Division Department of Life Sciences Natural History Museum) for her help with depositing of a specimen in the Natural History Museum, London, UK, and thank the Department of Zoology, Faculty of Science, Kasetsart University, Bangkhen Campus, Bangkok, Thailand, for laboratory facilities.

Funding

This study was funded by Graduate Scholarships from the Faculty of Science, Kasetsart University, and the Department of Zoology, Faculty of Science, Kasetsart University, Bangkhen Campus, Bangkok, Thailand. This study was also kindly financially supported by the Center of Excellence on Biodiversity (BDC), Office of Higher Education Commission (BDC-PG2-161004).

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Correspondence to Watchariya Purivirojkul.

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This research was approved by the Institutional Animal Care and Use Committee, Faculty of Science, Kasetsart University, Thailand under project number ACKU61-SCI-032.

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This article was registered in the Official Register of Zoological Nomenclature (ZooBank) as 6DFF0D7C-9912-479C-8D75-E47824877E8C. This article was published as an Online First article on the online publication date shown on this page. The article should be cited by using the doi number. This is the Version of Record.

This article is part of the Topical Collection Monogenea.

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Saengpheng, C., Purivirojkul, W. Pseudorhabdosynochus kasetsartensis n. sp. (Monogenea: Diplectanidae) from the cloudy grouper Epinephelus erythrurus (Valenciennes) (Perciformes: Serranidae) in the lower Gulf of Thailand. Syst Parasitol 97, 99–106 (2020). https://doi.org/10.1007/s11230-019-09899-z

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