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Proceedings of the Zoological Society

, Volume 71, Issue 4, pp 376–381 | Cite as

Ultrastructure of Spermatozoa in a Freshwater Fairy Shrimp, Streptocephalus dichotomus (Crustacea: Anostraca)

  • Dhanasekar Krishnamoorthy
  • Selvakumar Narasimman
  • Munuswamy Natesan
Research Article
  • 53 Downloads

Abstract

Ultrastructure of spermatozoa in fairy shrimp Streptocephalus dichotomus revealed that they are amoeboid type with no acrosome and flagella. Surface topography of the spermatozoon is smooth with occasional pseudopodial projections. Transmission electron micrographs of spermatozoa show organelle and the mitochondria which is not fused to form the so called ‘Nebenkern’. The testicular lumen reveals spermatozoa in varying sizes and shapes.

Keywords

Fairy shrimp Amoeboid spermatozoa Acrosome Testicular lumen 

Notes

Acknowledgements

Thanks are due to Prof. G. Criel, University of Ghent, Ghent, Belgium for her assistance in Transmission Electron Microscopy.

Funding

The work was supported by the Department of Science and Technology (DST) Government of India, New Delhi (SR/SO/AS-59/2012 dated 18/06/2013).

Complaince with Ethical Standard

Conflict of interest

The authors declare that is no conflict of interest.

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Copyright information

© Zoological Society, Kolkata, India 2017

Authors and Affiliations

  • Dhanasekar Krishnamoorthy
    • 1
  • Selvakumar Narasimman
    • 1
  • Munuswamy Natesan
    • 1
  1. 1.Unit of Aquaculture and Cryobiology, Department of ZoologyUniversity of MadrasChennaiIndia

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