<abstract xmlns="http://www.w3.org/1999/xhtml">Size frequency, length-weight relationships (LWRs), length-length relationships (LLRs), and relative condition factor (Kn) was studied in an estuarine fish the Bengal yellowfin seabream, <italic>Acanthopagrus longispinnis</italic> (Val.), from Hatiya Island in the Meghna River estuary. Specimens were caught with fixed purse nets of two mesh sizes (0.2 to 0.5 inch and 2.0 to 2.5 inch) from January to March 2020. The total body length of <italic>A. longispinnis</italic> ranged between 5.8 and 9.3 cm throughout the sampling period. The length-weight relationships for <italic>A. longispinnis</italic> was highly significant (<italic>p</italic> &lt; .001), and the adjusted <italic>r</italic>2 value was 0.921. The calculated growth coefficient (<italic>b</italic>) for <italic>A. longispinnis</italic> was 3.163, which indicated a hyperallometric growth pattern. The length-length equation TL = 1.1384 SL + 0.4899 for unsexed <italic>A. longispinnis</italic> was highly significant (p = 0.001, r2 = 0.951). There were no significant variations in relative condition factors among the specimens of different length classes (5.5–9.5 cm). No information regarding length-weight or length-length relationships for <italic>A. longispinnis</italic> was previously reported in FishBase. Our estimated LWR and LLR parameters for <italic>A. longispinnis</italic> can be useful for management and conservation purposes of this estuarine species.</abstract>

Size frequency, length-weight relationships (LWRs), length-length relationships (LLRs), and relative condition factor (Kn) was studied in an estuarine fish the Bengal yellowfin seabream, Acanthopagrus longispinnis (Val.), from Hatiya Island in the Meghna River estuary. Specimens were caught with fixed purse nets of two mesh sizes (0.2 to 0.5 inch and 2.0 to 2.5 inch) from January to March 2020. The total body length of A. longispinnis ranged between 5.8 and 9.3 cm throughout the sampling period. The length-weight relationships for A. longispinnis was highly significant (p < .001), and the adjusted r2 value was 0.921. The calculated growth coefficient (b) for A. longispinnis was 3.163, which indicated a hyperallometric growth pattern. The length-length equation TL = 1.1384 SL + 0.4899 for unsexed A. longispinnis was highly significant (p = 0.001, r2 = 0.951). There were no significant variations in relative condition factors among the specimens of different length classes (5.5–9.5 cm). No information regarding length-weight or length-length relationships for A. longispinnis was previously reported in FishBase. Our estimated LWR and LLR parameters for A. longispinnis can be useful for management and conservation purposes of this estuarine species.

Some population parameters of Bengal yellowfin seabream, <italic>Acanthopagrus longispinnis</italic> (Val.), from Hatiya Island, Bay of Bengal

Noakhali Science and Technology University

University of South Bohemia in Ceske Budejovice

Faculty of Fisheries and Protection of Waters, South Bohemian Research Center of Aquaculture and Biodiversity of Hydrocenoses, Research Institute of Fish Culture and Hydrobiology

Fisheries & Aquatic Life

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

Some population parameters of Bengal yellowfin seabream,  (Val.), from Hatiya Island, Bay of Bengal

Size frequency, length-weight relationships (LWRs), length-length relationships (LLRs), and relative condition factor (Kn) was studied in an estuarine fish the...

Some population parameters of Bengal yellowfin seabream, Acanthopagrus longispinnis (Val.), from Hatiya Island, Bay of Bengal

Article Category: Research Article

Online veröffentlicht: 18. Nov. 2020

Seitenbereich: 149 - 154

Eingereicht: 01. Apr. 2020

Akzeptiert: 07. Sept. 2020

DOI: https://doi.org/10.2478/aopf-2020-0018

Schlüsselwörter
LWR, LLR, Bengal yellowfin seabream, Hatiya Island

© 2020 Mohammad Abdul Momin Siddique et al., published by Sciendo

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

Some population parameters of Bengal yellowfin seabream, Acanthopagrus longispinnis (Val.), from Hatiya Island, Bay of Bengal

Article Category: Research Article

Online veröffentlicht: 18. Nov. 2020

Seitenbereich: 149 - 154

Eingereicht: 01. Apr. 2020

Akzeptiert: 07. Sept. 2020

DOI: https://doi.org/10.2478/aopf-2020-0018

SchlüsselwörterLWR, LLR, Bengal yellowfin seabream, Hatiya Island

© 2020 Mohammad Abdul Momin Siddique et al., published by Sciendo

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

Schlüsselwörter
LWR, LLR, Bengal yellowfin seabream, Hatiya Island