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Investigations on depredation by the deepsea swimming crab Charybdis smithii, during experimental gillnetting along the south-west coast of India

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Title Investigations on depredation by the deepsea swimming crab Charybdis smithii, during experimental gillnetting along the south-west coast of India
Not Available
 
Creator Renjith, R. K.
Paras Nath Jha
Chinnadurai, S.
Baiju, M. V.
Saly N. Thomas
 
Subject Crab
Depredation
Economic loss
Fishery
Marine gillnet
 
Description Not Available
Depredation by crabs can have a negative impact on marine gillnet fi shery. Despite this
fact, limited studies are attempted to evaluate depredation. The present study is the fi rst
attempt to evaluate the qualitative and quantitative effects of crab depredation on marine
gillnet fi shery. Experimental gillnetting was conducted onboard F V Sagar Harita from
February 2017 to January 2018 along the south-west Indian coast. Depredation by the
deepsea swimming crab Charybdis smithii caused intentional discard of Indian mackerel
(17.59%), kawakawa (14.77%), shrimp scad (10.74%) and horse mackerel (10.02%). Financial
loss due to depredation was high for Indian mackerel (19.99%), followed by shrimp scad
(19.17%), kawakawa (14.77%) and horse mackerel (14.16%). A total of ₹2554.30 per
operation was lost due to crab depredation. C. smithii showed a preference towards
scombrids (Indian mackerel and kawakawa) over carangids (shrimp scad and horse
mackerel) due to the inherent fl avour and texture of scombrids. Incidence of depredation
were found exclusively during June to September (monsoon season).
Not Available
 
Date 2024-04-25T17:08:39Z
2024-04-25T17:08:39Z
2023-04
 
Type Research Paper
 
Identifier Renjith, R. K., Paras Nath Jha, Chinnadurai, S., Baiju, M. V. and Saly N. Thomas (2023) Investigations on depredation by the deepsea swimming crab Charybdis smithii, during experimental gillnetting along the south-west coast of India. Indian J. Fish. 70(2): 133-137.
0970-6011
http://krishi.icar.gov.in/jspui/handle/123456789/82402
 
Language English
 
Relation Not Available;
 
Publisher ICAR