| Family | Scientific Name | Author | Year | Common Name |
| Congridae | Uroconger syringinus | Ginsburg | 1954 | Threadtail Conger |
Uroconger syringinus
Unique Characters: Vomerine teeth in a single row, reaching level of posterior end of maxillary tooth patch. Tip of tail soft and flexible. Body moderately elongate. Mouth horizontal or slightly oblique. Snout length only slightly less than, to somewhat greater than diameter of eye. Anterior nostrils free. Pectoral fin well developed; caudal fin present though sometimes reduced. Preanal length usually less than 40% total length. Posterior nostril at or above mideye level. Dorsal- and anal-fin rays segmented. Maxillary and mandibular teeth in bands or in 2 rows, not forming a cutting edge. Caudal fin not reduced. Upper labial flange rudimentary or absent.
Similar Species: None.
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