| Family | Scientific Name | Author | Year | Common Name |
| Congridae | Bathycongrus dubius | (Breder) | 1927 | Dubious Conger |
Bathycongrus dubius
Unique Characters: Posterior nostril at mideye level. 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. Tip of tail soft and flexible. Caudal fin not reduced. Vomerine teeth in 2 or more rows, at least anteriorly, ending before posterior end of maxillary tooth patch. Vomerine tooth patch with some enlarged teeth, sometimes forming a short row posteriorly. Upper labial flange absent. Pores along upper jaw enlarged.
Similar Species: Neighbor Conger Bathycongrus vicinalis. Posterior nostril opposite upper margin of eye. 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. Tip of tail soft and flexible. Caudal fin not reduced. Vomerine teeth in 2 or more rows, at least anteriorly, ending before posterior end of maxillary tooth patch. Vomerine tooth patch with some enlarged teeth, sometimes forming a short row posteriorly. Upper labial flange absent. Pores along upper jaw enlarged.
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