New York State's Endangered, Threatened and Special Concern Species Fact Sheets ...

THE GIANT SALAMANDERS Families; Cryptobranchidae -hellbenders Proteidae - waterdogs, water dogs, water-dogs, mudpuppies (Genus Necturus) Amphiumidae - amphiuma Sirenidae - sirens Amphiumidae and Sirenidae are endemic to North America only. Proteidae has a species in Europe, and Cryptobranchidae can also be found in the Far East, such as the Japanese salamander that reaches lengths of 5 feet (1.5 ...