Source: FAO 2002.
| Family | Scientific Name | Author | Year | Common Name |
| Alepocephalidae | Bajacalifornia megalops | (Lütken) | 1898 | Bigeye Smoothhead |
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).
Bajacalifornia megalops
Unique Characteristics: Body entirely or partly scaled. Teeth present on maxilla and/or vomer. Dorsal-fin origin before anal-fin origin. Teeth near anterior tips of upper and lower jaws in single series. Lower jaw with a prominent pointed knob directed ventrally.
Similar Species: None