Black-ringed Sea Snake
Hydrelaps darwiniensis
- Least concern
- Card rarity: Common
- Reptiles

Hydrelaps is a monotypic genus of venomous sea snake in the family Elapidae. The genus contains the sole species Hydrelaps darwiniensis, also commonly known as the black-ringed mangrove snake, the black-ringed sea snake, Darwin's sea snake, and the Port Darwin sea snake. The species is native to Australia and New Guinea.
Classification
- Class
- Reptilia
- Order
- Squamata
- Family
- Elapidae
- Genus
- Hydrelaps