| Main Ref. | Mann B., 2007, Reassessment of the seventy-four Polysteganus undulosus stock after a 10-year moratorium, Oceanographic Research Institute ORI. Unpublished Report No. 244 | ||
| Spawning type | Unknown | ||
| Aggregation type | Unknown | ||
| Spawning evidence | |||
| Direct | |||
| Spawning observation | |||
| Indirect | |||
| High seasonal landings | |||
| Status | Gone | ||
| Lunar phase | |||
| Habitat type | Other | ||
| Management | Landing quota | Gear | |
| Country | South Africa | ||