Table 2. Summary of fish species caught in the uMngeni River in the present study (May, August and November 2017) and their abbreviations. Translocated indigenous species are written in bold.
| Species name | Abbr. | U2MGNI-DRGLE | U2MGEN-PETRU | U2MGEN-LIONS | U2KARK-USMGN | U2MGEN-FOUNT | U2DUZI-MOTOX | U2DUZI-NKANY | U2MGEN-MZINY | Species abundance |
|---|---|---|---|---|---|---|---|---|---|---|
| Amphilius natalensis | ANAT | 0 | 0 | 0 | 4 | 2 | 0 | 0 | 0 | 6 |
| Awaous aeneofuscus | AAEN | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 5 | 5 |
| Clarias gariepinus | CGAR | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 1 | 2 |
| Coptodon rendalli | CREN | 0 | 0 | 1 | 1 | 0 | 0 | 8 | 5 | 15 |
| Enteromius anoplus | EANO | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 1 |
| Enteromius gurneyi | EGUR | 0 | 0 | 0 | 20 | 0 | 0 | 0 | 0 | 20 |
| Enteromius pallidus | EPAL | 0 | 0 | 2 | 26 | 0 | 0 | 0 | 0 | 28 |
| Enteromius viviparus | EVIV | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 1 |
| Labeobarbus natalensis | LNAT | 0 | 5 | 0 | 11 | 21 | 5 | 44 | 1 | 87 |
| Micropterus nigricans * | MSAL | 0 | 0 | 23 | 0 | 0 | 0 | 2 | 2 | 27 |
| Oncorhynchus mykiss * | OMYK | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 |
| Oreochromis mossambicus | OMOS | 0 | 0 | 0 | 10 | 0 | 0 | 0 | 3 | 13 |
| Pseudocrenilabrus philander | PPHI | 0 | 0 | 0 | 0 | 1 | 2 | 4 | 39 | 46 |
| Tilapia sparrmanii | TSPA | 0 | 0 | 10 | 13 | 3 | 13 | 4 | 0 | 43 |
| Abundance | 1 | 5 | 36 | 87 | 28 | 20 | 62 | 56 | 295 | |
| Diversity | 1 | 1 | 4 | 9 | 5 | 3 | 5 | 7 | 14 |
Invasive species in the study area