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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).