| Species name | Common name | Distribution | Max. Length (cm) |
|---|---|---|---|
| Necturus alabamensis Viosca, 1937 |
Blackwarrior waterdog | North America | |
| Necturus beyeri Viosca, 1937 |
Gulf coast waterdog | North America | |
| Necturus lewisi Brimley, 1924 |
Neuse river waterdog | North America | |
| Necturus maculosus (Rafinesque, 1818) |
Mudpuppy | North America | |
| Necturus punctatus (Gibbes, 1850) |
Dwarf waterdog | North America |