Abstract
A survey on prevalence of myxozoan (Myxozoa: Myxosporea: Bivalvulida) parasites was conducted during the 2014–2017 season from two major rivers, Mahananda and Teesta of Jalpaiguri district. 1874 fishes under twenty different genera of eight families were examined, among which 108 (5.76%) fishes of six different genera of four families were found to be infected. The myxozoans were recorded from the gills and tailfins of the host fishes. Intensity of infections fluctuated according to season. Infection rate was lower in monsoon all through the survey period. Maximum infections were recorded in Chanda nama (33%) and Channa punctatus (33%) during summer of 2014–15 and winter of 2014–15, respectively. Six host species were infected with six different myxozoan species. Among the six myxozoan parasites, three have been identified as Myxobolus shantipuri, Myxobolus koli, and Thelohanellus qadrii. Rest of the three species have been identified up to generic level and they are designated as Thelohanellus sp. I, Henneguya sp. I and Henneguya sp. II in this communication.
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Acknowledgement
First author would like to thank the Department of Zoology of Sidho-Kanho-Birsha University, Purulia for giving permission to do the work. Corresponding author is thankful to DST-FIST [No. SR/FST-LSI/2018/173(c) dated 18/09/2019 for infrastructural support. Authors are also like to express their sincere thanks to the fishermen of the district who generously spent time during the survey and shared their expertise in connection with the local fishes.
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Significance statement
Myxozoans are responsible for doing considerable harm to the pisciculture. Prevalence study of myxozoans helps to reveal the status of fish health of that particular area which is important both to fish farmers and common people as well.
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Banerjee, P., Basu, S. & Modak, B.K. Prevalence of Myxozoan Parasites of Riverine Fishes of Jalpaiguri District, West Bengal, India. Proc. Natl. Acad. Sci., India, Sect. B Biol. Sci. 91, 635–641 (2021). https://doi.org/10.1007/s40011-021-01253-y
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DOI: https://doi.org/10.1007/s40011-021-01253-y