Pacific Sailfin Eel
Paraletharchus pacificus
- Least concern
- Card rarity: Common
- Fish

The Sailfin eel is an eel in the family Ophichthidae. It was described by Raymond Carroll Osburn and John Treadwell Nichols in 1916, originally under the genus Letharchus. It is a marine, tropical eel which is known from the eastern central Pacific Ocean, including Costa Rica, Mexico, and Panama. It is known to dwell at a depth of 35 metres (115 ft), and inhabits rock and sand sediments. Males can reach a maximum total length of 81 centimetres (32 in).
Classification
- Class
- Actinopterygii
- Order
- Anguilliformes
- Family
- Ophichthidae
- Genus
- Paraletharchus