Length-weight relationships of five freshwater fish species from the tropical Wainganga river, a tributary of the largest peninsular Godavari river, Maharashtra, India
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Authors
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RINKESH NEMICHAND WANJARI
Division of Fisheries Resource Management, Faculty of Fisheries, SKUAST-K, Rangil, Ganderbal, (J&K), India-190 006
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TASADUQ HUSSAIN SHAH
Division of Fisheries Resource Management, Faculty of Fisheries, SKUAST-K, Rangil, Ganderbal, (J&K), India-190 006
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PRASHANT TELVEKAR
Fisheries Extension, Economics and Statistics, College of Fishery Science, Nagpur-440 006, Maharashtra, India
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FAROOZ AHMAD BHAT
Division of Fisheries Resource Management, Faculty of Fisheries, SKUAST-K, Rangil, Ganderbal, (J&K), India-190 006
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KARANKUMAR KISHORKUMAR RAMTEKE
Fisheries Resource Harvest and Post-Harvest Management (FRHPHM) Division, Central Institute of Fisheries Education (CIFE), Mumbai, Maharashtra, India
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ISHRAT MOHD
Division of Fisheries Resource Management, Faculty of Fisheries, SKUAST-K, Rangil, Ganderbal, (J&K), India-190 006
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DHANALAKSHMI MATHIALAGAN
Fisheries Resource Harvest and Post-Harvest Management (FRHPHM) Division, Central Institute of Fisheries Education (CIFE), Mumbai, Maharashtra, India
Keywords:
Freshwater fishes, Length-weight relationships, Maharashtra, Mesh size, Southwest monsoon, Wainganga RiverAbstract
This study examined the length-weight relationships (LWRs) of 569 fish specimens belonging to 3 families, 5 genera, and 5 species (Amblypharyngodon mola, Mystus cavasius, Osteobrama vigorsii, Salmostoma bacaila, and Mastacembelus armatus) collectede from the Wainganga River, Maharashtra, India. Fish were caught using gill nets and drag nets with mesh sizes of 25-30 mm and 5-10 mm, respectively. Sampling was conducted during the southwest monsoon season from June 2022 to September 2022. The b values varied between 2.10 (S. bacaila) and 2.72 (M. cavasius). The coefficient of determination (r2) for all species ranged from 0.880 to 0.947. The goal of this study was to compare the length-weight relationships (LWRs) of five freshwater fish species in the Wainganga River to those in other altered Indian rivers, using them as baseline data. These findings are significant for managing and conserving these species and provide crucial data for the first time in this region.
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