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119368

Age, growth and maturity of the Indian Shad, Tenualosa ilisha through otolith examination from different habitats in Bangladesh

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Last updated: 01 Jan 2025

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Abstract

Studies on the age, growth and maturity of Tenualosa ilisha are plagued by a lack of essential information; addressing this data gap is the aim of the present study. Six diverse habitats of hilsa across Bangladesh were chosen as sites for sample collection. For age determinations, lunar rings in the otolith of hilsa were used. The length and weight of each fish were recorded prior to otolith extraction. Extracted otoliths were polished to enable the visualization and quantification of rings. Except for the Kali River and Gaglajur Haor, age of the fish correlated strongly with both their length and weight (r > 0.95; p < /em> < 0.05). Again, except for those from the Kali River and Gaglajur Haor, all of the samples exhibited positive allometric growth patterns (b > 3) with the fish from the Tetulia River being the most positive (b = 3.48).  The growth of T. ilisha in the Bangladesh was described as Lt = 48.02 [1-exp{-1.01(t-0.046)}] and growth performance was 3.04. The estimated Lm for T. ilisha was 26.04 (~ 26.00) (95% CL= 19.87-33.84) cm TL based on the maximum length-based model and it was confirmed by gonad histology. These results would be effective for the sustainable management of hilsa fishery in Bangladesh and neighboring countries.

DOI

10.21608/ejabf.2020.119368

Authors

First Name

Md. Borhan

Last Name

Uddin Ahmed

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First Name

A. K. Shakur

Last Name

Ahammad

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First Name

Md.

Last Name

Shahjahan

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Email

mdshahjahan@bau.edu.bd

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Orcid

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First Name

Md. Fazla

Last Name

Rabbi

MiddleName

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Email

rabbi.fish@gmail.com

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Orcid

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First Name

Mohammad

Last Name

Ashraful Alam

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Orcid

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First Name

Md. Nazmus

Last Name

Sakib

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najmujsakib@gmail.com

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First Name

Md. Abul

Last Name

Bashar

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Email

mabasharbfri@gmail.com

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Orcid

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First Name

Md. Ataur

Last Name

Rahman

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Affiliation

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Email

ataurrahman179@gmail.com

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Orcid

0000-0002-0609-3901

First Name

Md. Yeamin

Last Name

Hossain

MiddleName

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Affiliation

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Email

yeamin.fish@ru.ac.bd

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Orcid

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First Name

Yahia

Last Name

Mahmud

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Volume

24

Article Issue

6

Related Issue

16517

Issue Date

2020-10-01

Receive Date

2020-10-18

Publish Date

2020-10-01

Page Start

343

Page End

359

Print ISSN

1110-6131

Online ISSN

2536-9814

Article File

EJABF_Volume 24_Issue 6_Pages 343-359.pdf

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Link

https://ejabf.journals.ekb.eg/article_119368.html

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https://ejabf.journals.ekb.eg/service?article_code=119368

Order

21

Type

Original Article

Type Code

103

Publication Type

Journal

Publication Title

Egyptian Journal of Aquatic Biology and Fisheries

Publication Link

https://ejabf.journals.ekb.eg/

MainTitle

Age, growth and maturity of the Indian Shad, Tenualosa ilisha through otolith examination from different habitats in Bangladesh

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Article

Created At

22 Jan 2023