期刊
JOURNAL OF FISHERIES
卷 2, 期 2, 页码 141-147出版社
BDFISH
DOI: 10.17017/jfish.v2i2.2014.42
关键词
Length-weight relationship; condition factor; gonadosomatic index; fecundity; Glossogobius giuris; tank goby; Payra River
类别
Glossogobius giuris were collected during March to September 2013 from the Payra river to estimate the length-weight relationship with relative condition factor (K-n), fecundity, gonadosomatic index (GSI) and relation between fecundity and other parameters. The length-weight relationship was found to be Log W= 2.667 Log TL - 1.805 in male and Log W = 2.931 Log TL - 2.040 in female. The mean K-n were found to be 1.02 +/- 0.155 for male and 0.97 +/- 0.276 for female which indicates satisfactory condition of the fish population. The mean relative fecundity was ranged from 88495 to 264104 with a mean value of 171581 +/- 17855, having a average total length of 21.21 +/- 0.44 cm, body weight 70.22 +/- 4.62 g and gonad weight 2.74 +/- 0.31 g. The relationships among the fecundity, the total length, body weight, gonad weight were found to be linear and positively correlated. The mean GSI value was 3.42 +/- 0.33 and the highest GSI value was recorded 9.34 +/- 0.71 in the month of September. This study will help to introduce this species in sustainable aquaculture through proper management and for the development of induced breeding technique.
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