Thin Sand Eel
Yirrkala tenuis
- Least concern
- Card rarity: Common
- Fish

The thin sand-eel is a species of eel in the worm/snake eel family Ophichthidae. It was first described by Albert Günther in 1870, originally under the genus Ophichthys. It is a tropical, marine and freshwater eel which is known from the western Indian Ocean, including the Red Sea, South Africa, Mauritius and Réunion. Males can reach a maximum total length of 53 centimetres (21 in).
Classification
- Class
- Actinopterygii
- Order
- Anguilliformes
- Family
- Ophichthidae
- Genus
- Yirrkala