| Common name | Grilse |
| Language | English |
| Type | Vernacular |
| Official trade name | No |
| Rank | 3 - (Other common name) |
| Country | United Kingdom |
| Locality | |
| Ref. | Organisation for Economic Co-operation and Development, 1990 |
| Life stage | juveniles and adults |
| Sex | females and males |
| Core | |
| 1st modifier | |
| 2nd modifier | |
| Remarks | Atlantic salmon returning from the sea to freshwater after spending only one winter at sea. |