| Common name | Seiður |
| Language | Faroese |
| Type | Vernacular |
| Official trade name | No |
| Rank | 3 - (Other common name) |
| Country | Faeroe Islands |
| Locality | |
| Ref. | Mouritsen, R., 2004 |
| Life stage | juveniles |
| Sex | females and males |
| Core | |
| 1st modifier | |
| 2nd modifier | |
| Remarks | Two winters juvenile, 2 and 3 summers old, approximately 22 to 40 cm (Ref. 51094). |