| Common name | Cação-galha-preta |
| Language | Portuguese |
| Dialect | Latin |
| Type | Vernacular |
| Official trade name | No |
| Rank | 3 - (Other common name) |
| Country | Brazil |
| Locality | Northeastern Brazil |
| Ref. | Nomura, H., 1984 |
| Life stage | juveniles and adults |
| Sex | females and males |
| Core | primary lexeme |
| 1st modifier | morphology |
| 2nd modifier | color pattern(s) |
| Remarks | Cação = shark + galha preta = black branch; in this case, ''galha' is referring to the first dorsal fin |