Population growth and reproductive potential of five important fishes from the freshwater bodies of Bangladesh

M. T. Alam, M. A. Hussain, S. Sultana, M. T. Hasan, Mazlan Abd. Ghaffar, K. D. Simon, S. K. Mazumder

Research output: Contribution to journalArticle

Abstract

Population growth (length-weight relationship), and reproductive potential (e.g. fecundity, and sex-ratio) of five important fish species ('mola': Amblypharyngodon mola, 'puti': Puntius sophore, 'tengra': Mystus vittatus, 'shing': Heteropneustes fossilis and 'taki': Channa punctatus) collected from two important fresh water bodies (namely Hilna beel and Beel Kumari beel) Rajshahi, Bangladesh, were studied. Population growth pattern by length-weight relationship (W=aLb) for the species differed, and exhibited positive allometric growth (P. sophore in Hilna beel), isometric growth (A. mola and C. punctatus in Hilna beel) and negative allometric growth (M. vittatus & H. fossilis in Hilna beel and A. mola, P. sophore, M. vittatus, C. punctatus and H. fossilis in Beel Kumari beel). The results denoted that fecundity of mature females followed a non-linear relationship (F=aLb) with total length and exhibited positive allometric growth (b>3) with some exception (A. mola in Hilna beel and M. vittatus in Beel Kumari beel). Fecundity of mature females also increased with total body weight and ovary weight following a linear relationship (F=a+bW). Differences in values of sexratios with seasons for all species in this study may have resulted from different environmental factors as well as breeding seasons. The findings of this study would be useful in imposing adequate regulations for the conservation of these fascinating fishes in the fresh water bodies of Bangladesh.

Original languageEnglish
Pages (from-to)657-674
Number of pages18
JournalIranian Journal of Fisheries Sciences
Volume17
Issue number4
DOIs
Publication statusPublished - 1 Jan 2018

Fingerprint

reproductive potential
Channa punctata
Heteropneustes fossilis
Bangladesh
population growth
fecundity
length-weight relationship
fish
Mola
Mystus
freshwater fish
breeding season
sex ratio
environmental factor
environmental factors
body weight
Amblypharyngodon mola
water body

Keywords

  • Beel
  • Fecundity
  • Length-weight relationship
  • Sex-ratio
  • Small indigenous fish

ASJC Scopus subject areas

  • Aquatic Science

Cite this

Alam, M. T., Hussain, M. A., Sultana, S., Hasan, M. T., Abd. Ghaffar, M., Simon, K. D., & Mazumder, S. K. (2018). Population growth and reproductive potential of five important fishes from the freshwater bodies of Bangladesh. Iranian Journal of Fisheries Sciences, 17(4), 657-674. https://doi.org/10.22092/ijfs.2018.116824

Population growth and reproductive potential of five important fishes from the freshwater bodies of Bangladesh. / Alam, M. T.; Hussain, M. A.; Sultana, S.; Hasan, M. T.; Abd. Ghaffar, Mazlan; Simon, K. D.; Mazumder, S. K.

In: Iranian Journal of Fisheries Sciences, Vol. 17, No. 4, 01.01.2018, p. 657-674.

Research output: Contribution to journalArticle

Alam, MT, Hussain, MA, Sultana, S, Hasan, MT, Abd. Ghaffar, M, Simon, KD & Mazumder, SK 2018, 'Population growth and reproductive potential of five important fishes from the freshwater bodies of Bangladesh', Iranian Journal of Fisheries Sciences, vol. 17, no. 4, pp. 657-674. https://doi.org/10.22092/ijfs.2018.116824
Alam, M. T. ; Hussain, M. A. ; Sultana, S. ; Hasan, M. T. ; Abd. Ghaffar, Mazlan ; Simon, K. D. ; Mazumder, S. K. / Population growth and reproductive potential of five important fishes from the freshwater bodies of Bangladesh. In: Iranian Journal of Fisheries Sciences. 2018 ; Vol. 17, No. 4. pp. 657-674.
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