Long Brown Moray
Gymnothorax longinquus
- Least concern
- Card rarity: Common
- Fish

Gymnothorax longinquus is a moray eel found in coral reefs in the southwest Pacific Ocean. It is commonly known as the yellow-gilled reef-eel, yellow-gilled moray, brown moray-eel, or long moray.
Classification
- Class
- Actinopterygii
- Order
- Anguilliformes
- Family
- Muraenidae
- Genus
- Gymnothorax