| Standard Length (cm) | |||||
| Species | Number | Range | Mean ± SD | R.A. (%) | |
| Mormyrus rume | 24 | 17.5 - 60.4 | 34.62 ± 9.82 | 1.25 | |
| Brycinus longipinnis | 9 | 5.8 - 8.1 | 7.43 ± 0.71 | 0.47 | |
| Hepsetus odoe | 29 | 7.6 - 32.4 | 21.04 ± 7.70 | 1.51 | |
| E. pobeguini | 1 | 5.5 | 0.05 | ||
| Clarias anguillaris | 58 | 12.9 - 35.3 | 27.63 ± 4.42 | 3.03 | |
| C. gariepinus | 61 | 20.9 - 34.4 | 28.33 ± 3.33 | 3.18 | |
| A. biscutatus | 1 | 13.5 | 0.05 | ||
| M. electricus | 10 | 14.3 - 18.8 | 16.54 ± 1.43 | 0.52 | |
| S. intermedius | 2 | 19.5 - 21.0 | 20.25 | 0.10 | |
| P. obscura | 1 | 27.9 | 0.05 | ||
| S. galilaeus | 328 | 5.1 - 34.1 | 15.32 ± 5.05 | 17.13 | |
| Coptodonzillii | 497 | 6.6 - 24.4 | 13.54 ± 2.00 | 25.95 | |
| C. rendali | 45 | 12.6 - 15.9 | 14.50 ± 0.86 | 2.35 | |
| C. dageti | 419 | 6.6 - 21.4 | 13.76 ± 2.28 | 21.88 | |
| H. fasciatus | 367 | 5.8 - 19.0 | 9.94 ± 1.64 | 19.16 | |
| O. niloticus | 18 | 8.2 - 25.8 | 14.75 ± 4.24 | 0.94 | |
| O. aureus | 45 | 9.5 - 19.0 | 12.44 ± 2.27 | 2.35 | |
| 1,915,100 | |||||