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Scanning Electron Microscopy of Scales and its Taxonomic Application in the Fish Genus Channa

Published online by Cambridge University Press:  28 May 2014

Sudip Dey ,
Shyama P. Biswas ,
Samujjwal Dey  and
Shankar P. Bhattacharyya
Sudip Dey*
Affiliation:
Electron Microscope Division, Sophisticated Analytical Instrument Facility, North Eastern Hill University, Shillong-793022, Meghalaya, India
Shyama P. Biswas
Affiliation:
Department of Life Sciences, Dibrugarh University, 786004 Dibrugarh, Assam, India
Samujjwal Dey
Affiliation:
Department of Zoology, St. Edmund’s College, 793001 Shillong, Meghalaya, India
Shankar P. Bhattacharyya
Affiliation:
Department of Zoology, G. C. College, 788001 Silchar, Assam, India
*
*Corresponding author. [email protected]
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Abstract

Scanning electron microscopy (SEM) of scales in six species of the fish genus Channa revealed certain features relevant to taxonomic significance. The location of focus, inter-radial distance and width of circuli, inter-circular space, width of radii, shape and size of lepidonts, etc. were found to be different in different species. The importance of SEM of scales in poorly understood taxonomy and phylogeny of the fish genus Channa is discussed with the help of relevant literature. Further, the role of SEM of fish scales for taxonomic applications is discussed in detail.

Keywords

SEMChannascaletaxonomymicro structurefish
Type
Biological Applications
Information
Microscopy and Microanalysis , Volume 20 , Issue 4 , August 2014 , pp. 1188 - 1197
Copyright
© Microscopy Society of America 2014 

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