| Common name | Sillack |
| Language | Scots |
| Type | Vernacular |
| Official trade name | No |
| Rank | 3 - (Other common name) |
| Country | Scotland (UK) |
| Locality | Caithness, Orkney, Shetland |
| Ref. | Watt, R.A., 1989 |
| Life stage | juveniles and adults |
| Sex | females and males |
| Core | |
| 1st modifier | |
| 2nd modifier | |
| Remarks | Pertains to fry. |