| Common name | Geelbek |
| Language | English |
| Type | Vernacular |
| Official trade name | No |
| Rank | 3 - (Other common name) |
| Country | South Africa |
| Locality | |
| Ref. | Heemstra, P.C., 1986 |
| Life stage | juveniles and adults |
| Sex | females and males |
| Core | color pattern(s) |
| 1st modifier | |
| 2nd modifier | |
| Remarks | 'geel', i.e., yellow and 'bek', i.e., mouth may refer to the colouration of the mouth of the fish. (Nico E. Willemse, Coll. No. 375, personal communication). Name adapted from Afrikaans. |