Gulf Coast Waterdog
Necturus beyeri
- Least concern
- Card rarity: Common
- Amphibians

The western waterdog is a species of aquatic salamander in the family Proteidae. It is endemic to the deep South, where it occurs in Alabama, Louisiana, Mississippi, and Texas.
Classification
- Class
- Amphibia
- Order
- Caudata
- Family
- Proteidae
- Genus
- Necturus