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Reptiles of the United States  
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A Guide to the Reptiles &
Amphibians of the United States
U.S. Reptile Guide snakes lizards Turtles turtles salamanders Alligators of the US
Snakes of the U.S.

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Mudpuppies and Waterdogs of the United States

Two genera, Necturus, the mudpuppies and waterdogs, with 5 species in eastern North America, and 1 species of Proteus, a blind cave dweller in Europe. Mudpuppies and waterdogs are aquatic permanent larvae, characterized by deep red plume like gills, 4 toes on both front feet and hind feet, and strongly compressed tails. The male's vent is lined with tiny projectdions, bears 2 fleshy lobes, and is followed by a tranverse broove.

Fertilization is internal and the eggs are laid on the undersides of stones or logs on stream bottoms. The female guards the eggs until hatching.


There are five species of Mudpuppies and Waterdogs in the U.S.

Alabama Waterdog (Necturus alabamensis)

Range is poorly known, northeastern Mississippi to north central Georgia south to the Gulf.

Gulf Coast Waterdog (Necturus beyeri)

Range is poorly known, mostly central Louisiana to eastern Texas.

Neuse River Waterdog (Necturus lewisi)

Found in the Neuse and Tar River systems, North Carolina.

Mudpuppy (Necturus maculosus)

Found from southeastern Manitoba to southern Quebec south to northern Georgia and Louisiana and introduced into large New England rivers.

Dwarf Waterdog (Necturus punctatus)

Found in the coastal plain of southeastern Vriginia into Georgia (may extend westward along the Gulf coastal plain).





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