| Common name | Mayfish |
| Language | English |
| Type | Vernacular |
| Official trade name | No |
| Rank | 2 - (Preferred common name (unique)) |
| Country | United Kingdom |
| Locality | |
| Ref. | Whitehead, P.J.P., 1985 |
| Life stage | juveniles and adults |
| Sex | females and males |
| Core | |
| 1st modifier | |
| 2nd modifier | |
| Remarks | 'fish' from Germanic 'fiskaz' from same source as Latin 'piscis' from Indo-European word 'piskos' (p. 229 in Ref. 11979). |