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Table 3 Biometric data and gonadosomatic index of B. bagre caught in São Marcos Bay, Maranhão, Brazil

From: A histopathological and biometric comparison between catfish (Pisces, Ariidae) from a harbor and a protected area, Brazil

Sites Gender L t(cm) L f(cm) W t(g) W g(g) GSI
Reference (A1) Female 26.32 ± 1.82* 24.29 ± 2.01* 222.65 ± 14.34* 5.895 ± 0.351 1.51 ± 0.85*
  Male 27.21 ± 1.31* 25.29 ± 1.21* 228.15 ± 13.54* 1.434 ± 0.451 0.58 ± 0.11*
Harbor (A2) Female 20.53 ± 4.44 18.45 ± 2.74 104.50 ± 57.90 0.729 ± 0.57 0.08 ± 0.02
  Male 18.28 ± 8.72 16.05 ± 3.92 102.11 ± 35.60 0.129 ± 0.08 0.03 ± 0.01
  1. *Indicates significant difference between sites (P < 0.05). Total number of catfish = 60. Number of female catfish in: A1 = 15; A2 = 15. Number of male catfish in: A1 = 15; A2 = 15. Biometric data: Lt (total length); Lf (fork lengt); Wg (gonad weight), and GSI (gonadosomatic index). cm (centimeter); g (grama).