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Observation on the anatomy and the conditional factors of fresh-water air-breathing fish, Anabas testudineus Bloch

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Author Affiliations

  • 1Department of Aquaculture Management and Technology, Vidyasagar University, Midnapore, West Bengal, India
  • 2Department of Aquaculture Management and Technology, Vidyasagar University, Midnapore, West Bengal, India
  • 3Department of Aquaculture Management and Technology, Vidyasagar University, Midnapore, West Bengal, India

Int. Res. J. Biological Sci., Volume 6, Issue (2), Pages 1-4, February,10 (2017)

Abstract

The present study was carried out to determine the morphological and anatomical characters of fresh-water air-breathing fish, Anabas testudineus. The specimens comprising male and female under body weight 28.35 – 61.07 gm of the species have been assessed during winter season, 2015 to characterize the length, weight of alimentary tract and reproductive features like Gastrosomatic index (GSI), Gonadosomatic index (GnSI), Hepatosomatic index (HSI) and Condition factor (k). The result showed adverse effects on the gonads as well as on liver weight. The mean Gastrosomatic index (GSI), Gonadosomatic index (GnSI), Hepatosomatic index (HSI) and Conditional factor (K) in young male, female and adult male, female specimens were 0.52 , 0.57 and 1.17 , 0.72 (GSI); 0.49, 0.54 and 0.13, 0.37 (GnSI); 1.48 , 1.80 and 1.35 , 1.30(HSI); 2.59 , 2.53and 3.09 2.37 (K) respectively.

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