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Table 2 Proportion of gonadal development stages according to monthly sampling (I = Immature, III = Develop, III = Mature, IV = Ripe, V = Spent).

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

Month No. of female Stages of gonad maturity No. of male
   Female (%) Male (%)  
   I II III IV V Mature III+IV I II III IV V Mature III+IV  
January 89 50.56 32.58 7.87 2.25 6.74 10.12 - 6.25 56.25 37.50 - 93.75 16
February 86 61.63 33.72 2.33 - 2.33 2.33 12.00 12.00 64.00 12.00 - 76.00 25
March 68 20.59 45.59 19.12 11.76 2.94 30.88 - 20.00 26.67 53.33 - 80.00 15
April 48 72.92 14.58 2.08 - 10.42 2.08 7.14 28.57 35.71 21.44 7.14 57.15 42
May 65 33.84 49.23 12.31 3.08 1.54 15.39 - 16.22 24.32 56.76 2.70 81.08 37
June 60 41.66 35.00 15.00 1.67 6.67 16.67 1.79 57.14 21.43 16.07 3.57 37.50 56
July 79 53.16 24.06 7.59 6.33 8.86 13.92 3.84 50.00 25.00 11.54 9.62 36.54 52
August 91 27.47 51.65 12.09 7.69 1.10 19.78 - 60.00 20.00 13.33 6.67 33.33 15
September 58 8.62 41.38 31.04 17.24 1.72 48.28 - 10.53 15.79 73.68 - 89.47 19
October 73 54.79 23.29 5.48 5.48 10.96 10.96 - 20.00 56.00 12.00 12.00 68.00 25
November 96 48.96 20.83 5.21 4.17 20.83 9.38 5.88 41.18 23.53 17.65 11.76 41.18 17
December 88 19.32 52.27 20.45 5.68 2.28 26.13 - 27.27 54.55 18.18 - 72.73 22