Biological characteristics of the japanese scad Decapterus maruadsi in Thuan An estuary, Thua Thien Hue Province

Tran Thi Ngoc Anh, Nguyen Xuan Huan, Tran Trung Thanh, Nguyen Thanh Nam
Author affiliations

Authors

  • Tran Thi Ngoc Anh VNU University of Science, Hanoi
  • Nguyen Xuan Huan Research Institute for Marine Fisheries
  • Tran Trung Thanh VNU University of Science, Hanoi
  • Nguyen Thanh Nam

DOI:

https://doi.org/10.15625/0866-7160/v41n4.13891

Keywords:

Decapterus maruadsi, biological characteristics, Thuan An estuary.

Abstract

A total of 257 Decapterus maruadsi individuals of collected from Thuan An estuary in Phu Vang District, Thua Thien Hue Province were analyzed. Results showed that the fork length ranged from 90 mm to 215 mm (160.2 mm on average) and mainly in the 140–180 mm range (86.8 %). Of three age groups (0+ to 2+), the fished stock belongfrom is primarily to the 1+ age group (63.8%) and 0+ age group (28.8%). Of five stomach fullness levels (0 to 4), the second and fourth degree made up significantly proportions, being 29.6% and 31.5%, respectively. For the five fat levels (0 to 4), the fourth degree made up 86.0%.  The females to males ratio was 1.00 : 1.42.  von Bertalanffy’s growth model followed the equation: Lt = 203.77 × (1–e-0.3747(t+3.0272)).

 

 

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Published

30-12-2019

How to Cite

Anh, T. T. N., Huan, N. X., Thanh, T. T., & Nam, N. T. (2019). Biological characteristics of the japanese scad <i>Decapterus maruadsi </i> in Thuan An estuary, Thua Thien Hue Province. Academia Journal of Biology, 41(4). https://doi.org/10.15625/0866-7160/v41n4.13891

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