alexa Gill Net Selectivity of Hilsa (Tenualosa ilisha) in the Meghna River Estuary of Bangladesh
ISSN: 2155-9546

Journal of Aquaculture Research & Development
Open Access

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Research Article

Gill Net Selectivity of Hilsa (Tenualosa ilisha) in the Meghna River Estuary of Bangladesh

Md. Mehedi Hasan Pramanik1*, Md. Anisur Rahman1, Tayfa Ahmed1, Flura1, Md. Monjurul Hasan1, Masud Hossain Khan1 and Yahia Mahmud2

1Bangladesh Fisheries Research Institute, Riverine Station, Chandpur, Bangladesh

2Bangladesh Fisheries Research Institute, Headquarter, Mymensingh, Bangladesh

*Corresponding Author:
Md. Mehedi Hasan Pramanik
Bangladesh Fisheries Research Institute
Riverine Station, Chandpur, Bangladesh
Tel: +880- 1720618000
E-mail: [email protected]

Received Date: May 03, 2017; Accepted Date: May 29, 2017; Published Date: May 31, 2017

Citation: Pramanik MMH, Rahman MA, Ahmed T, Flura, Hasan MM, et al. (2017) Gill Net Selectivity of Hilsa (Tenualosa ilisha) in Meghna River Estuary of Bangladesh. J Aquac Res Development 8:483. doi: 10.4172/2155-9546.1000483

Copyright: © 2017 Pramanik MMH, et al. This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.



In this study gill-net selectivity for Tenualosa ilisha in the River Meghna was estimated. Traditional fishing was conducted by using gill-net with 55 mm, 65 mm and 75 mm mesh-size during August 2016 to October 2016. From the Meghna River estuary, a total of 660 specimens of T. ilisha were caught by gill-net during the study period. Mean total lengths were calculated as 24.7 ± 2.7 cm, 31.2 ± 2.78 cm and 34.33 ± 4.69 cm for 55 mm, 65 mm and 75 mm mesh sizes gill-net respectively. Selectivity analysis indicated an optimum catch length of 260.50 mm for the 55 mm mesh size, 328.36 mm for the 65 mm mesh size and 370.99 mm for the 75 mm mesh size gill-nets. The catch percentage of Hilsa by 55 mm, 65 mm and 75 mm mesh size gill-net were 38.78%, 39.10% and 22.12% respectively. The majority of fishes caught by these three-mesh size gill-net were found to be matured. Therefore, 65 mm mesh size were suitable for the sustainable fisheries of T. ilisha in the River Meghna in Bangladesh.


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