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Salamander diversity is highest in eastern North America, especially in the Appalachian Mountains; most species are found in the Holarctic realm, with some species present in the Neotropical realm. Salamanders never have more than four toes on their front legs and five on their rear legs, [ 3 ] but some species have fewer digits and others lack ...
The hellbender (Cryptobranchus alleganiensis), also known as the hellbender salamander, is a species of aquatic giant salamander endemic to the eastern and central United States. It is the largest salamander in North America .
Blue Ridge two-lined salamander Conservation status Least Concern (IUCN 3.1) Secure (NatureServe) Scientific classification Domain: Eukaryota Kingdom: Animalia Phylum: Chordata Class: Amphibia Order: Urodela Family: Plethodontidae Genus: Eurycea Species: E. wilderae Binomial name Eurycea wilderae Dunn, 1920 The Blue Ridge two-lined salamander (Eurycea wilderae) is a species of salamander in ...
The Center for Biological Diversity petitioned to list the Hickory Nut Gorge green salamander under the Endangered Species Act in June 2022. On Jan. 24, the U.S. Fish and Wildlife Service issued ...
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.
Image showing the anatomy of Chinese giant salamander. The correct scientific name of this species has been argued to be Andrias scheuchzeri (in which case Andrias davidianus would be a junior synonym) – a name otherwise restricted to an extinct species described from Swiss fossils. [11]
The largest species are in the genus Andrias, native to east Asia. The South China giant salamander ( Andrias sligoi ), can reach a length of 1.8 m (5.9 ft). [ 1 ] The Japanese giant salamander ( Andrias japonicus ) reaches up to 1.44 m (4.7 ft) in length, feeds at night on fish and crustaceans , and has been known to live for more than 50 ...
The salamanders have a unique metallic spotting which distinguishes them from other Plethodon species and other salamanders in the area. They mainly inhabit cool forests with rocky areas. Worth Hamilton Weller, an American herpetologist, discovered the new species during his sophomore/junior high school summer vacation in 1931. [2]