| Common name | Guetteur à nageoire noire |
| Language | French |
| Type | Vernacular |
| Official trade name | No |
| Rank | 2 - (Preferred common name (unique)) |
| Country | Canada |
| Locality | |
| Ref. | McAllister, D.E., V. Legendre and J.G. Hunter, 1987 |
| Life stage | juveniles and adults |
| Sex | females and males |
| Core | morphology |
| 1st modifier | color pattern(s) |
| 2nd modifier | |
| Remarks | 'guetteur', i.e.,'watcher', new French vernacular proposed for the family in Ref. 27545 in allusion to the backwardly displaced pupil giving the appearance of warily looking over the shoulder; 'à nageoire noire', i.e., new French vernacular proposed in allusion to the broad black patch covering the lower two-thirds of the pectoral fin. |