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Table 3 Gonadosomatic Index (GSI) and sex ratio according to monthly sampling

From: Spawning seasons of Rasbora tawarensis (Pisces: Cyprinidae) in Lake Laut Tawar, Aceh Province, Indonesia

Months No. of fish examined for GSI GSI Sex ratio
(F/M)
  Female Male Female Male  
January 89 16 10.48 ± 6.18bc 7.39 ± 1.44bcd 5.56
February 86 25 9.21 ± 5.08b 6.16 ± 2.41ab 3.44
March 68 15 15.56 ± 6.88f 8.56 ± 2.53d 4.53
April 48 42 6.65 ± 4.94a 5.95 ± 2.46ab 1.14
May 65 37 13.24 ± 5.13de 7.91 ± 2.10cd 1.76
June 60 56 11.99 ± 5.83cd 5.22 ± 3.07a 1.07
July 79 52 9.70 ± 7.52b 4.94 ± 2.63a 1.52
August 91 15 13.95 ± 6.27def 5.46 ± 2.63a 6.07
September 58 19 18.16 ± 5.39g 8.44 ± 2.18d 3.05
October 73 25 9.96 ± 6.63bc 5.30 ± 3.97a 2.92
November 96 17 8.38 ± 7.12ab 5.14 ± 2.41a 5.65
December 88 22 15.08 ± 6.00ef 6.68 ± 1.82abc 4.00
  1. *Mean of GSIs in the same column followed by a different superscript indicates significantly different (P < 0.05).