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Proceedings of the Zoological Society

, Volume 72, Issue 3, pp 238–245 | Cite as

Taxonomic Description of Two New Parasitic Species of the Genus Trichodinella (Raabe, 1950) Šramek-Hušek, 1953 (Ciliophora: Trichodinidae) isolated from Ornamental Goldfish, Carassius auratus L. with re-evaluation of their Host Specificity

  • Mandira Saha
  • P. K. BandyopadhyayEmail author
Research Article

Abstract

Trichodiniasis of fishes cause harm and economic losses in the fish industry. There are many records of trichodinids ectoparasites infesting fish throughout the World, but no such attempt has been made to study the parasitic group infesting goldfish, Carassius auratus in India. During survey, an attempt have been made to survey trichodinid ciliophorans of some ornamental fish occurring in different parts of West Bengal, India and revealed the occurrence of two new species belonging to the genus Trichodinella on the basis of silver nitrate impregnation technique followed by taxonomic description, morphometric variability and comparative data in respect to closely related species. Trichodinella rectangulata n. sp., Trichodinella bengalensis n. sp. The species has been uniquely characterized by the acute, straight rectangular blade and elongated ray structure respectively. The present study confirms the first report of this genus from C. auratus and added two more species to the genus along with new host, locality records and prevalence rates.

Keywords

Trichodinids Trichodinella rectangulata n. sp. Trichodinella bengalensis n. sp. First report Goldfish Carassius auratus India 

Notes

Acknowledgements

One of the authors (MS) is thankful to the University Grants Commissions, New Delhi for financial support under Special Assistance Program No. F-3-11/2012(SAP-II).

Compliance with Ethical Standards

Conflict of interest

The authors declare that they have no conflict of interest.

Ethical Approval

The fishes were collected in fresh form from different ornamental fish farms of West Bengal. Animal ethical care guidelines were followed as the fish were used in the study. It has been informed that as per CPCSEA instruction’s protocol for experimentation on fishes does not require approval.

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Copyright information

© Zoological Society, Kolkata, India 2017

Authors and Affiliations

  1. 1.Parasitology Laboratory, Department of ZoologyUniversity of KalyaniKalyaniIndia

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