Month Jan. Feb. Mar. Apr. May June July Aug. Sept. Oct. Nov. Dec.
No. Of fishes 5 7 10 11 8 15 7 10 8 12 9 4
Marginal increment
(mmX40)
0.053 0.054 0.054 0.018 0.018 0.020 0.028 0.037 0.047 0.051 0.052 0.053
Table 1: Monthly variations of marginal increment of the abdominal vertebrae of B. bayad of age (III).