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Salamanders range in size from the minute salamanders, with a total length of 27 mm (1 + 1 ⁄ 8 in), including the tail, to the Chinese giant salamander which reaches 1.8 m (6 ft) and weighs up to 65 kg (145 lb).
The Chinese giant salamander (Andrias davidianus) is one of the largest salamanders and one of the largest amphibians in the world. [4] It is fully aquatic, and is endemic to rocky mountain streams and lakes in the Yangtze river basin of central China. It has also been introduced to Kyoto Prefecture in Japan, and possibly to Taiwan.
The Cheat Mountain salamander is smallish, similar in size to the red-backed salamander, 3 to 4¾ inches (7½ to 12 cm) in total length (including tail), but is distinct in its black or dark brown dorsum (back) which is boldly marked with numerous small brassy, silver or white flecks.
Japanese giant salamanders in Tottori Prefecture, Japan, showing notable color variation among individuals within the same population. Andrias japonicus skull. The Japanese giant salamander (Andrias japonicus) is a species of fully aquatic giant salamander endemic to Japan, occurring across the western portion of the main island of Honshu, with smaller populations present on Shikoku and in ...
The genus Dicamptodon was formerly thought to contain two species, Cope's giant salamander (D. copei) on the Olympic Peninsula, Washington, and the Pacific giant salamander (D. ensatus) which consisted of three geographic populations, an Idaho isolate, a group in northern California, and a group in Oregon and Washington. [9]
The southern two-lined salamander is a small thin salamander, distinguished by the two lines running down the lateral portion of its body. 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]
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 Tennessee cave salamander (Gyrinophilus palleucus) is a species of salamander in the family Plethodontidae, endemic to the Appalachian Mountains in the United States. [ 1 ] [ 3 ] Its natural habitats are streams in caves .