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Myxozoan infections of the three Indian major carps in fish ponds around Meerut, UP, India, with descriptions of three new species, Myxobolus basuhaldari sp. n., M. kalavatiae sp. n. and M. meerutensis sp. n., and the redescription of M. catlae and M. bhadrensis


New myxosporean species are described from Indian fishes cultured in pond farms of Meerut, Uttar Pradesh (UP) state. Based upon plasmodia found in the Indian major carps (Catla catla, Cirrhinus cirrhosus, Labeo rohita and their hybrids), three new Myxobolus spp., Myxobolus basuhaldari sp. n., Myxobolus kalavatiae sp. n. and Myxobolus meerutensis sp. n., are described, and two species, Myxobolus catlae and Myxobolus bhadrensis, are redescribed. Plasmodia of M. basuhaldari sp. n., M. kalavatiae sp. n., M. meerutensis sp. n. and M. catlae developed in small cysts in the gill lamellae, while plasmodia and scattered spores of M. bhadrensis were found in the muscles and kidney, respectively. Plasmodia and spores found in these fishes differed from each other with respect to their morphology, tissue tropism and 18S ribosomal DNA (18S rDNA) sequence. No major pathological changes were found, but severe infections were observed.

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The authors thank the staff of the Department of Zoology, Chaudhary Charan Singh University, Meerut, Uttar Pradesh, India, for their help in laboratory work and fish collection. We are grateful to Ms. Györgyi Ostoros for the histology and the drawings. The work was supported by the Bilateral Program of the Hungarian Academy of Sciences—Indian Academy, the Hungarian Scientific Research Fund (OTKA K 100132), the grant of the Hungarian Government (KTIA AIK-12-1-2013-0017) and partially by the type D Scholarship provided by Balassi Institute, Hungarian Scholarship Board, to AC (project no. MÖB/112-3/2013).

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Correspondence to Csaba Székely.

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Székely, C., Cech, G., Chaudhary, A. et al. Myxozoan infections of the three Indian major carps in fish ponds around Meerut, UP, India, with descriptions of three new species, Myxobolus basuhaldari sp. n., M. kalavatiae sp. n. and M. meerutensis sp. n., and the redescription of M. catlae and M. bhadrensis . Parasitol Res 114, 1301–1311 (2015).

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  • Myxozoa
  • New Myxobolus spp.
  • Morphology
  • Histology
  • Tissue tropism
  • 18S rDNA
  • India