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Demographics of an endemic and threatened small cyprinid, Pethia setnai (Chhapgar & Sane, 1992) from the northern Western Ghats, India

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Title Demographics of an endemic and threatened small cyprinid, Pethia setnai (Chhapgar & Sane, 1992) from the northern Western Ghats, India
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Creator Sri Hari M, Gladston Y, Ajina SM, Sreekanth GB, Rajeev Raghavan and Jaiswar AK
 
Subject aquarium trade, exploitation, indigo barb, mortality, population dynamics.
 
Description The indigo barb Pethia setnai is a threatened small cyprinid endemic to the Western Ghats biodiversity hotspot of India. In this study, the length–weight relationship and length–frequency-based population dynamics of this species, which are important prerequisites for effective fisheries management, were investigated for the first time based on specimens collected from the Mhadei River in the northern part of the Western Ghats. Estimated von Bertalanffy growth parameters were as follows: theoretical maximum length, L∞, 70.88 mm; growth coefficient, k, 1.50 year–1; and theoretical age at length 0, t0, –0.016 years. Natural mortality of P. setnai was higher than fishing mortality, and the present exploitation level (0.37) was less than 60% of the predicted maximum exploitation, suggesting that the species is not exploited to a level that is detrimental to the local population.
 
Date 2020-05-22T04:27:27Z
2020-05-22T04:27:27Z
2019-11-01
 
Type Article
 
Identifier Sri Hari M, Gladston Y, Ajina SM, Sreekanth GB, Rajeev Raghavan and Jaiswar AK. 2019. Demographics of an endemic and threatened small cyprinid, Pethia setnai (Chhapgar & Sane, 1992) from the northern Western Ghats, India. Marine and Freshwater Research (doi: 10.1071/MF19122)
1323-1650
http://krishi.icar.gov.in/jspui/handle/123456789/36092
 
Language English
 
Relation Not Available;
 
Publisher CSIRO