Knysna Estuary Minimum Fish Sizes
Below are the current size restrictions and regulations on the most common fish that can be caught on the Knysna Estuary.
*Closed season from 1 October to 30 November each year (Elf / Shad).
| Common Name | Scientific Name | Bag Limit | Size Limit |
| Blacktail | Diplodus capensis | 5 | 20 cm |
| Cape stumpnose | Rhabdosargus holubi | 5 | 20 cm |
| Elf (shad)* | Pomatomus saltatrix | 4 | 30 cm |
| Leervis (garrick) | Lichia amia | 2 | 70 cm |
| Kob | Argyrosomus japonicus | 1 | 60 cm |
| Mullets | Mugilidae spp. | 50 | n/a |
| Spotted grunter | Pomadasys commersonnii | 5 | 40 cm |
| White steenbras | Lithognathus lithognathus | 1 | 60 cm |
| White musselcracker | Sparodon durbanensis | 2 | 60 cm |