Research Article
The Biology of the African Bonytongue Heterotis niloticus (Cuvier, 1829) from the Lower Niger River at Agenebode in Edo State, Nigeria
Table 4
Summary of gonadosomatic index (GSI) of Heterotis niloticus.
| | Parameters | Males | Females |
| | Sample size (n) | 36 | 53 | | Total length (cm) | 515.00 | 4139.00 | | Mean ± SD | 57.22 ± 7 | 59.13 ± 11.0 | | Total weight (g) | 20635.00 | 166456.00 | | Mean ± SD | 2292.78 ± 566.58 | 2377 ± 515.3 | | Mean gonad weight (g) | 26.89 ± 8.0 | 23.90 ± 7.52 | | Gonadosomatic index (GSI) | 1.29 ± 1.22 | 1.00 ± 1.56 | | Fecundity (n) | Nil | 21548 ± 6065.33 (19) |
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