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Impact of mini trawl fishing on the population of alligator pipefish Syngnathoides biaculeatus bloch (1785) caught as bycatch from the seagrass meadows of Palk bay, southeast coast of India

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Relation http://eprints.cmfri.org.in/16591/
https://www.environmentandecology.com/volume-40-2022
 
Title Impact of mini trawl fishing on the population of alligator pipefish Syngnathoides biaculeatus bloch (1785) caught as bycatch from the seagrass meadows of Palk bay, southeast coast of India
 
Creator Thirumalaiselvan, S
Rajkumar, M
Vinothkumar, R
Remya, L
Batcha, S M Sikkander
Kaladharan, P
 
Subject Seagrass
Demersal Fishes
Seahorse
 
Description Seagrass meadows are a highly productive ecosystem
providing habitat, breeding and feeding ground for
various marine species and also support the fisheries.
The single species S. biaculeatus is the most dominant
pipefish among Syngnathoids in Palk Bay. Periodic
monitoring and observation of bycatch and discards,
of the alligator pipefish Syngnathoides biaculeatus,
caught in Mini trawl from Devipattinam for one year
formed the basis of this communication. The size
range of alligator pipefish was recorded between 128
mm to 240 mm and individual weight ranged from
1.42 to 6.60 g. The maximum numbers of Pipefish
were recorded during July 2017. There is no significant difference in b values (P > 0.05) and K values
between male and female. In the present study, population of pipefish S. biaculeatus have shown negative
allometric growth pattern (b = 1.92). Fishing by Mini
trawl in the inshore region of seagrass meadows has
harshly affected the alligator pipefish population and
its habitat. Mesh size regulation and its strict implementation will be the required management measures
to ensure the sustainability of the pipefish population
in the seagrass meadows of the Palk Bay
 
Date 2022
 
Type Article
PeerReviewed
 
Format text
 
Language en
 
Identifier http://eprints.cmfri.org.in/16591/1/Environment%20and%20Ecology_2022_S%20Thirumalaiselvan.pdf
Thirumalaiselvan, S and Rajkumar, M and Vinothkumar, R and Remya, L and Batcha, S M Sikkander and Kaladharan, P (2022) Impact of mini trawl fishing on the population of alligator pipefish Syngnathoides biaculeatus bloch (1785) caught as bycatch from the seagrass meadows of Palk bay, southeast coast of India. Environment and Ecology, 40 (4A). pp. 2228-2234. ISSN 0970-0420