Sailfin eel (Letharchus velifer)

General data
- Main name: Sailfin eel
- Habitat: Saltwater
Classification
- Genus: Letharchus - Letharchus
- Family: Ophichthidae - Snake Eels
- Order: Anguilliformes - Eels and morays
- Class: Teleostei - Ray-finned fishes
- Superclass: Osteichthyes - Bony fishes