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[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.
Plethodontidae, or lungless salamanders, are a family of salamanders. [ 1 ] [ 2 ] With over 500 species, lungless salamanders are by far the largest family of salamanders in terms of their diversity. Most species are native to the Western Hemisphere , from British Columbia to Brazil.
The California slender salamander (Batrachoseps attenuatus) is a lungless salamander [2] that is found primarily in coastal mountain areas of Northern California, United States as well as in a limited part of the western foothills of the Sierra Nevada, California, in patches of the northern Central Valley of California, and in extreme southwestern Oregon.
The Comal blind salamander or Honey Creek Cave blind salamander (Eurycea tridentifera) is a small species of aquatic, lungless salamander native to the United States. It is endemic to a small region at the junction of Comal , Bexar and Kendall Counties in Texas .
Neoteny has been observed in all salamander families in which it seems to be a survival mechanism, in aquatic environments only of mountain and hill, with little food and, in particular, with little iodine. In this way, salamanders can reproduce and survive in the form of a smaller larval stage, which is aquatic and requires a lower quality and ...
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]
“The spotted salamander (Ambystoma maculatum) was designated the official state amphibian of South Carolina in 1999 after a year-long campaign by the third grade class at Woodlands Heights ...
At a temperature of 10 °C (50 °F), the olm's embryonic development (time in the eggs before hatching) is 140 days, but it is somewhat slower in colder water and faster in warmer, being as little as 86 days at 15 °C (59 °F). After hatching, it takes another 14 years to reach sexual maturity if living in water that is 10 °C (50 °F).