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Unique Behaviour-Driven Fishing Strategy of Freshwater Mullet, Rhinomugil Corsula (Hamilton, 1822) in Lower and Estuarine Stretch of River Ganga: Fishing strategy of Rhinomugil corsula in river Ganga

Indian Agricultural Research Journals

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Title Unique Behaviour-Driven Fishing Strategy of Freshwater Mullet, Rhinomugil Corsula (Hamilton, 1822) in Lower and Estuarine Stretch of River Ganga: Fishing strategy of Rhinomugil corsula in river Ganga
 
Creator Manna, Ranjan Kumar
Dibakar Bhakta
Sangeetha M. Nair
Srikanta Samanta
Basanta Kumar Das
 
Subject Fish behaviour
mullet fishing
light as fish trap
set barrier trap
aerial trap
lift net
gill net
scoop net
seine net
 
Description The freshwater grey mullet, Rhinomugil corsula, exhibits distinctive behaviors in its habitat. Based on these behaiour patterns, eight novel capture strategies have been noticed for catching this species in the lower and estuary zones of the Ganges River. Fishers take advantage of the attraction to light by this species by using traditional gear such as ‘Set barrier’ and ‘Cast net’, along with light traps at night. The tendency of the fish to leap when escaping has inspired the use of an aerial trap called ’Chali tana’ in Nabadwip. Their habit of schooling and swimming at the surface is exploited with various modified lift nets – ‘Chhita’ or ’Chowki jal’ in Buxar and Patna, Bihar, and ‘Khancha’ in Roychak, West Bengal. The small mesh gill net, known as ’Corsula jaal’, is effective when water is disturbed with a boat’s oar, forcing the mullet to dive and become caught in the net. Other behaviors, like gathering in whirlpools or near drainage outlets, aid in using the scoop net, ’Thopa jal’, in Tribeni. Juveniles of R. corsula are also collected alive near shorelines or drains using push nets and seine nets, for subsequent cultivation in ponds. This study sheds light on specific fishing techniques informed by the mullet’s behavior, enhancing management of this valuable species in the wild and for aquaculture purposes.
 
Publisher Society of Fisheries Technologists (India)
 
Date 2024-04-30
 
Type info:eu-repo/semantics/article
info:eu-repo/semantics/publishedVersion
 
Format application/pdf
 
Identifier https://epubs.icar.org.in/index.php/FT/article/view/146104
 
Source Fishery Technology; Vol. 61 No. 2 (2024): Fishery Technology
2582-2632
0015-3001
 
Language eng
 
Relation https://epubs.icar.org.in/index.php/FT/article/view/146104/54471
 
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