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A Report on Ecotypes of Setipinna phasa (Hamilton-Buchanan, 1822) from Indian Waters

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Title A Report on Ecotypes of Setipinna phasa (Hamilton-Buchanan, 1822) from Indian Waters
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Creator Gangan, S.S., Pavan-Kumar, A., Bamaniya, D., Jahageerdar, S., Lakra, W.S. and Jaiswar, A.K*
 
Subject Ecotype, Setipinna, DNA barcoding, India.
 
Description Not Available
Species of genus Setipinna are major contributors in total landings of anchovies. Under the genus, four species have
been reported from Indian waters. Among them, Setipinna phasa is a dominant species, distributed in Ganga river system
from Allahabad, Uttar Pradesh to West Bengal coast of India. The identity of Setipinna species was found to be ambiguous
that needed validation; hence, in the present study, Setipinna species were collected from Diamond harbour and Digha
Mohana, West Bengal, India for differentiation based on morphological, meristic and molecular traits. ANOSIM, SIMPER
and principal component analysis of twenty three morphometric characters revealed difference among the three variants of S.
phasa. While DNA barcoding using mitochondrial cytochrome c oxidase subunit I and 16S ribosomal RNA gene showed
very less divergence values (0.00-0.008) among these variants. Further phylogenetic analysis using combined DNA sequences
(COI and 16S rRNA) displayed clustering of these variants of S. phasa with significant bootstrap values. Hence the study
concludes that even though variants of Setipinna displayed considerable morphological variations, they are not distinct
genetically from S. phasa species. Thus the variants of the species seem to be ecotypes of S. phasa and a base in the evolution
of others Setipinna species.
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Date 2022-06-15T10:43:20Z
2022-06-15T10:43:20Z
2017-09-11
 
Type Research Paper
 
Identifier Not Available
Not Available
http://krishi.icar.gov.in/jspui/handle/123456789/72549
 
Language English
 
Relation Not Available;
 
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