| Common name | Brown trout |
| Language | English |
| Type | AFS |
| Official trade name | No |
| Rank | 1 - (Legal common name (unique)) |
| Country | United States (contiguous states) |
| Locality | |
| Ref. | Nelson, J.S., E.J. Crossman, H. Espinosa-Pérez, L.T. Findley, C.R. Gilbert, R.N. Lea and J.D. Williams, 2004 |
| Life stage | juveniles and adults |
| Sex | females and males |
| Core | |
| 1st modifier | |
| 2nd modifier | |
| Remarks | 'trout' from Middle English from Old English 'truht' from Low Latin 'trocta, tructa', i.e., a fish with sharp teeth, from Greek 'troktes', i.e., gnawer, from 'trogein', i.e., to gnaw (p. 1266 in Ref. 11978). Also Ref. 276. |