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The mudpuppy jaw is considered metaautostyly, like most amphibians, meaning the jaw is more stable and that the salamander has a dentary. [15] This affects their diet by limiting the flexibility of the jaw to take in larger prey. The mudpuppy has few predators which may include fish, crayfish, turtles, and water snakes. Fishermen also ...
Proteid salamanders range in size from 28 centimetres (11 in) to 40 centimetres (16 in) in length. [5] Members of the genus Necturus, commonly called "mudpuppies" or "waterdogs", prefer shallow lakes and streams that have slow moving water and rocks to hide under, but have been found in up to 90 feet of water. [6]
The skin of salamanders, in common with other amphibians, is thin, permeable to water, serves as a respiratory membrane, and is well-supplied with glands. It has highly cornified outer layers, renewed periodically through a skin shedding process controlled by hormones from the pituitary and thyroid glands.
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The northern two-lined salamander is a small salamander, with adults ranging from 65–120 mm in total length. [4] This salamander is yellow or yellowish-brown, with two black stripes running down the back which tends to break up after the base of the tail. The flanks are mottled grayish or brown. [5] The belly is pale yellowish, nearly ...
The spotted salamander or yellow-spotted salamander (Ambystoma maculatum) is a mole salamander [2] common in eastern United States and Canada. [1] It is the state amphibian of Ohio and South Carolina. The species ranges from Nova Scotia, to Lake Superior, to southern Georgia and Texas. [3]
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.
Unlike other salamanders, whose larvae are developed in water, the alpine salamander and its subspecies are a fully terrestrial species in life and gestation. [8] They give birth to live young. [9] Alpine salamanders produce toxic compounds from their skin. [8] These compounds may protect them from both predator and microbial threats. [10] [11 ...