Source: FAO 2002.
| Family | Scientific Name | Author | Year | Common Name |
| Alepocephalidae | Alepocephalus agassizii | Goode and Bean | 1883 | North Atlantic Slickhead |
All Alepocephalidae Species: Slickheads – Premaxilla and mandible usually toothed; no premaxillary tusks. Head without scales. Opercles frequently voluminous. No spinous fin rays. No adipose fin. Lateral line present or absent, if present composed of pored scales (FAO 2002).
Alepocephalus agassizii
Unique Characteristics: Body entirely or partly scaled. No teeth on maxilla or vomer.
Similar Species: None