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The Alabama waterdog is medium-sized at 15–22 cm (5.9–8.7 in), with four toes and a laterally compressed tail. Its gills are permanent, bushy, and red. Typical adults exhibit a brown or black dorsum with minimal or no spotting, and the ventral side is white and often not spotted.
The red salamander has more spots and the spots also tend to be larger in size than those of the mud salamander. In regard to eye color, the red salamander's iris is a gold-like tint, whereas the mud salamander's iris is brown. [2] The gold-like tint iris for the red salamander is also distinguished by its horizontal bar that runs through the ...
The western waterdog (Necturus beyeri) [2] is a species of aquatic salamander in the family Proteidae. It is endemic to the deep South, where it occurs in Alabama , Louisiana , Mississippi , and Texas .
Necturus is a genus of aquatic salamanders in the family Proteidae. Species of the genus are native to the eastern United States and Canada. [2] [3] [4] They are commonly known as waterdogs and mudpuppies.
The Red River waterdog was proposed as a separate species from the common mudpuppy by Collins in 1991, [1] but supporting data was lacking. Petranka (1998) [ 2 ] and Crother (2017) [ 3 ] both treated this fully aquatic salamander as a subspecies.
The family Proteidae is a group of aquatic salamanders found today in the Balkan Peninsula and North America. The range of the genus Necturus (commonly known as waterdogs or mudpuppies) runs from southern central Canada, through the midwestern United States, east to North Carolina and south to Georgia and Mississippi. [1]
The Shenandoah salamander's life history is not well understood, though adult salamanders have a high survival rate, some even reaching 25 years of age. [6] Like many salamanders, the breeding season for the Shenandoah salamander occurs during late spring or summer. [11]
Pseudotriton montanus Baird, 1850 — mud salamander Pseudotriton ruber (Sonnini de Manoncourt and Latreille, 1801) — red salamander However, AmphibiaWeb lists only two species as it treats Pseudotriton diastictus and P. flavissimus as subspecies of Pseudotriton montanus , [ 2 ] as does the International Union for Conservation of Nature .