| Common name | Cornish jack |
| Language | English |
| Type | Vernacular |
| Official trade name | No |
| Rank | 3 - (Other common name) |
| Country | South Africa |
| Locality | |
| Ref. | Skelton, P.H., 1993 |
| Life stage | juveniles and adults |
| Sex | females and males |
| Core | |
| 1st modifier | |
| 2nd modifier | |
| Remarks | Probably given by early settlers for the resemblance between this fish and the European pike, known as "Jack" in parts of England (Ref. 52193). Also Ref. 5214. |