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Journal of Parasitic Diseases

, Volume 42, Issue 2, pp 226–231 | Cite as

Description of Tetracotyle wayanadensis n. sp. (Digenea: Strigeidae) metacercaria infecting six species of freshwater fishes from Western Ghats, India

  • P. J. Jithila
  • P. K. Prasadan
Original Article
  • 28 Downloads

Abstract

Tetracotyle wayanadensis n. sp. (Digenea, Strigeidae) infecting different organs of six species of freshwater fishes, Haludaria fasciata (eye, buccal cavity), Amblypharyngodon melettinus (eye, buccal cavity), Aplochelus lineatus (operculum, heart, mesenteries), Pethia conchonius (brain), Parambassis thomassi (muscles, mesenteries) and Lepidocephalus thermali (mesenteries) collected from water bodies in the Wayanad region of the Western Ghats is described and illustrated. Tetracotyle wayanadensis n. sp. is new to the genus and is separated from its congeners on the basis of differences in morphology and morphometry. The present paper also describes the prevalence, intensity, mean abundance and sites of infection of the parasite in each host. The prevalence of infection of T. wayanadensis n. sp. in Haludaria fasciata is 7.5%, intensity of infection is 2.66 and mean abundance is 0.2; in Amblypharyngodon melettinus 10%, 6 and 0.6; in Aplochelus lineatus 12.2%, 6.2 and 0.76; in Pethia conchonius 7.14%, 5 and 0.36; in Parambassis thomassi 100%, 2 and 2; in Lepidocephalus thermali 10%, 2 and 0.2 respectively.

Keywords

Tetracotyle wayanadensis Digenetic Trematode Freshwater fish Prevalence Intensity Western Ghats 

Notes

Acknowledgements

The authors are grateful to the Kerala State Council for Science, Technology and Environment (KSCSTE), Government of Kerala for providing infrastructure facilities in the laboratory through a major research project (SRS/220/2015/KSCSTE). The authors are indebted to Prof. K. P. Janardanan for critically going through the manuscript.

Author’s contribution

Dr. P. K. Prasadan designed and guided the study. Ms. Jithila P J. carried out the survey, collected and studied the trematodes in detail. The manuscript was written by both the authors.

Compliance with ethical standards

Conflict of interest

The authors declare that that there is no conflict of interest between them.

Ethical approval

All applicable international, national, and/or institutional guidelines for the care and use of animals were followed. All procedures performed in the study involving animals were in accordance with the ethical standards of the institution or practice at which the study was conducted.

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Copyright information

© Indian Society for Parasitology 2018

Authors and Affiliations

  1. 1.Ecological Parasitology and Tropical Biodiversity Laboratory, Department of ZoologyKannur UniversityWayanadIndia

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