Length-weight relationships and condition factor of eighteen finfish species from high altitude Himalayan rivers: insights into growth patterns
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Authors
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RAVALI VALLANGI
ICAR - Central Inland Fisheries Research Institute, Barrackpore, Kolkata, West Bengal - 700 120
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BIGAN KUMAR SAHOO
ICAR - Central Inland Fisheries Research Institute, Barrackpore, Kolkata, West Bengal - 700 120
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SIMANKU BORAH
ICAR - Central Inland Fisheries Research Institute, Regional Centre, Guwahati, Assam - 781 006
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AMIYA KUMAR SAHOO
ICAR - Central Inland Fisheries Research Institute, Barrackpore, Kolkata, West Bengal - 700 120
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DHARMENDRA KUMAR MEENA
ICAR - Central Inland Fisheries Research Institute, Barrackpore, Kolkata, West Bengal - 700 120
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B. K. BHATTACHARJYA
ICAR - Central Inland Fisheries Research Institute, Regional Centre, Guwahati, Assam - 781 006
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BASANTA KUMAR DAS
Keywords:
Carps, Growth parameters, Loaches, Sustainable fisheriesAbstract
Length-weight relationships (LWRs) are crucial for conservation efforts and ecosystem modeling, as they offer key insights into the growth, health, and overall condition of fish populations. This study investigates the growth pattern of 18 finfish species belonging to the families Balitoridae, Cyprinidae, Danionidae, Nemacheilidae, Psilorhynchidae, and Sisoridae, collected from the Bichom and Digien rivers, Arunachal Pradesh, between May 2022 and June 2024. A total of 1,142 specimens were studied, revealing parameter b (relative growth rate) that varied from 0.508 (Balitora brucei) to 4.303 (Barilius barila). This study is the first to report on LWRs for these finfish species from the Bichom and Digien rivers.
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