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This may be a species complex that could be split into different taxa as research indicates; [3] the Apalachicola (N. moleri) and Escambia (N. mounti) waterdogs were split from this species in 2020; previously, they were all grouped together as the Gulf Coast waterdog. [2]
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]
Necturus occur in surface waters, preferentially with clear water and rocky substrates without silt. N. maculosus live in lakes, rivers, streams, and creeks. [15] [16] They like shallow waters with low temperatures from autumn to early spring. [15] They are most active in cold temperatures, specifically between 9.1 and 20.2 degrees Celsius.
[15] [16] The common mudpuppy never leaves its aquatic environment and therefore does not undergo morphogenesis; however, many salamanders do and develop differentiated teeth. [17] Aquatic salamander teeth are used to hinder escape of the prey from the salamander; they do not have a crushing function. [17] This aids the salamander when feeding.
Most taxonomic authorities currently consider this salamander to be a subspecies of the common mudpuppy (N. maculosus): N. maculosus louisianensis, or the Red River mudpuppy. The Red River waterdog was proposed as a separate species from the common mudpuppy by Collins in 1991, [ 1 ] but supporting data was lacking.
The Alabama waterdog is found in the Appalachian headwaters of the Black Warrior River drainage basin in Alabama.Its range includes the Sipsey Fork and Brushy Creek in Winston County, the Mulberry Fork, Blackwater Creek, and Lost Creek in Walker County, the North River and Yellow Creek in Tuscaloosa County, and the Locust Fork and Blackburn Fork in Blount County. [1]
Waterdog, the gilled, aquatic larval form of the tiger salamander, often sold as pets or fishing bait; Waterdog, a common name for the genus Necturus, which can also be called mudpuppy; Water-dog, a former colloquial term for the giant otter
A newt is a salamander in the subfamily Pleurodelinae. The terrestrial juvenile phase is called an eft. Unlike other members of the family Salamandridae, newts are semiaquatic, alternating between aquatic and terrestrial habitats. Not all aquatic salamanders are considered newts, however.