| Common name | Level-finned eel |
| Language | English |
| Type | Vernacular |
| Official trade name | No |
| Rank | 3 - (Other common name) |
| Country | United States (contiguous states) |
| Locality | |
| Ref. | Hardy, J.D., 1993 |
| Life stage | juveniles and adults |
| Sex | females and males |
| Core | primary lexeme |
| 1st modifier | morphology |
| 2nd modifier | |
| Remarks | 'eel' from Middle English, 'ele', from Old English 'ael' and akin to Old High German, 'ãl' (Ref. 11978). |