Quick facts for kidsMudpuppy
A mudpuppy or waterdog is an aquatic salamanders. They belong to the family Proteidae. Mudpuppies make a dog-like barking sound, which is why they are called mudpuppies. Mudpuppies belong to the genus Necturus. They live in Canada and Midwestern United States.
Mudpuppy Facts for Kids. Kiddle Encyclopedia.