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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 ...
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. During moulting, the skin initially ...
Blue-spotted salamanders can be found in the northeastern parts of North America. New England in the United States has large populations of many types of salamanders, including Ambystoma laterale. Blue-spotted salamanders can be found as far west as the Great Lakes in Michigan and up into the eastern providences of Canada (Donato 2000, Gilhen ...
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 mole salamanders (genus Ambystoma) are a group of advanced salamanders endemic to North America. The group has become famous due to the study of the axolotl (A. mexicanum) in research on paedomorphosis, and the tiger salamander (A. tigrinum, A. mavortium) which is often sold as a pet, and is the official amphibian of four US states.
The Audubon Society Field Guide to North American Reptiles and Amphibians. New York: Alfred A. Knopf. 743 pp. ISBN 0-394-50824-6. (Plethodon richmondi, pp. 346–347 + Plate 72). Netting, M. Graham, and M.B. Mittleman (1938). "Description of Plethodon richmondi, a new salamander from West Virginia and Ohio". Annals of the Carnegie Museum 27: ...
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The salamander is deep-light brown and fairly small, growing up to 6.5–12 cm in length. The species has 14 costal grooves between its limbs. [3] The key difference between the Southern two lined salamander from the Northern salamander is that the black lines run all the way down to the tail.