Blacksaddle Snake Eel
Ophichthus cephalozona
- Least concern
- Card rarity: Common
- Fish

The dark-shouldered snake eel is an eel in the family Ophichthidae. It was described by Pieter Bleeker in 1864. It is a tropical, marine eel which is known from the Pacific Ocean, including the East Indies, the Society Islands, the Mariana Islands, Queensland, the Marshall Islands, Micronesia, Japan, and India. It dwells at a depth range of 2–15 metres, and inhabits reefs. It forms burrows in mud and sand, and forages during the night. Males can reach a maximum total length of 115 centimetres.
Classification
- Class
- Actinopterygii
- Order
- Anguilliformes
- Family
- Ophichthidae
- Genus
- Ophichthus