| Common name | Harlequin pipefish |
| Language | English |
| Type | AFS old |
| Official trade name | No |
| Rank | 3 - (Other common name) |
| Country | United States (contiguous states) |
| Locality | |
| Ref. | Robins, C.R., R.M. Bailey, C.E. Bond, J.R. Brooker, E.A. Lachner, R.N. Lea and W.B. Scott, 1980 |
| Life stage | juveniles and adults |
| Sex | females and males |
| Core | |
| 1st modifier | |
| 2nd modifier | |
| Remarks | Name applied to Micrognathus ensenadae and vittatus (Ref. 9710). 'fish' from Germanic 'fiskaz' from same source as Latin 'piscis' from Indo-European word 'piskos' (p. 229 in Ref. 11979). |