| Common name | Masu |
| Language | Japanese |
| Type | Vernacular |
| Official trade name | No |
| Rank | 2 - (Preferred common name (unique)) |
| Country | Japan |
| Locality | |
| Ref. | Whiteley, A.R., B.E. Penaluna, E.B. Taylor, S. Weiss, A. Abadia-Cardoso, D. Gomez-Uchida, I. Koizumi and P. Trotter, 2019 |
| Life stage | juveniles and adults |
| Sex | females and males |
| Core | primary lexeme |
| 1st modifier | |
| 2nd modifier | |
| Remarks | General word for 'trout'. Also in Ref. 3383. |