| Common name | Longfin flounder |
| Language | English |
| Type | FAO old |
| Official trade name | No |
| Rank | 4 - (Less common name) |
| Country | Global |
| Locality | |
| Ref. | Hensley, D.A., 1995 |
| Life stage | juveniles and adults |
| Sex | females and males |
| Core | primary lexeme |
| 1st modifier | morphology |
| 2nd modifier | |
| Remarks | 'flounder', i.e., flatfish, Middle English, from Anglo-French 'floundre', of Scandinavian origin; akin to Old Norse 'flythra', i.e., flounder (Ref. 27888). Name not listed in ASFIS version 2006 (Ref. 56807). |