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The identity and distribution of striped bagrid catfish, Mystus tengara (Hamilton 1822) revealed through integrative taxonomy.

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Title The identity and distribution of striped bagrid catfish, Mystus tengara (Hamilton 1822) revealed through integrative taxonomy.
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Creator Nair, S.M., Kumari, K., Pavan-Kumar, A., Raghavan, R., Jaiswar, A.K.,
 
Subject Bagrids · Genetic distance · Mystus tengara · Phylogeny
 
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Background The taxonomic status and geographical distribution of M. tengara are vague. No genetic diversity and phylogenetic study have been done till now to resolve its identity and distribution. In the present study, an integrated taxonomic approach has been applied to clarify the taxonomic status, identity, and distribution of bagrid catfish, Mystus tengara. Methods and results Comparative morphometric evaluation of M. tengara identified in the present study from distant geographical locations revealed variations of the traits in response to body length and environment, without significant genetic distance. The observed morphometric traits of M. tengara were found to be overlapping with available morphometric traits of M. tengara, M. carcio and M. vittatus. Maximum likelihood and Bayesian phylogenetic analysis based on mitochondrial
cytochrome c oxidase (COI) gene also could not resolve their identity, and five paraphyletic clades comprising of M. tengara, M. vittatus, and M. carcio from India, Nepal, and Bangladesh were observed. Morphological and genetic evidence
along with comparative evaluation of M. tengara, from its type locality, we consider M. tengara identified in the present study to be true, with its distribution extending from North East India to West Bengal, North India, Central India, Northern peninsular India, and Bangladesh.
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Date 2022-06-16T06:08:45Z
2022-06-16T06:08:45Z
2021-10-21
 
Type Research Paper
 
Identifier Not Available
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http://krishi.icar.gov.in/jspui/handle/123456789/72622
 
Language English
 
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Publisher Not Available