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Salamanders are a group of amphibians typically characterized by their lizard-like appearance, with slender bodies, blunt snouts, short limbs projecting at right angles to the body, and the presence of a tail in both larvae and adults. All ten extant salamander families are grouped together under the order Urodela from the group Caudata. [2]
A number of features distinguish the plethodontids from other salamanders. Most significantly, they lack lungs, conducting respiration through their skin, and the tissues lining their mouths. [3] Some species of cave salamanders are neotenic, and keep their larval gills even as adults. Gills are absent in all other adult plethodontids. [13]
These salamanders are mostly terrestrial and eat invertebrates, although some species are known to eat smaller salamanders. They can be found throughout the US and some areas of Canada in damp forests or plains. This family contains some of the largest terrestrial salamanders in the world, the tiger salamander and the coastal giant salamander ...
A skin-eating fungus is now a severe threat to salamander populations in Europe, according to a new study. Batrachochytrium salamandrivorans, or Bs, is deadly to almost all salamanders but appears ...
A sub-adult wandering salamander. The wandering salamander is a long, slender salamander that grows to a snout-vent length of approximately 80 millimetres (3.1 in) and a total length of 130 millimetres (5.1 in). [6] [7] Its base color ranges from brown to light grey, with lighter bronze-grey mottling distributed across its dorsal surface ...
The red-backed salamander (Plethodon cinereus) is a small, hardy woodland salamander species in the family Plethodontidae.It is also known as the redback salamander, [3] eastern red-backed salamander, [3] or the northern red-backed salamander to distinguish it from the southern red-backed salamander (Plethodon serratus).
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Sirenidae, the sirens, are a family of neotenic aquatic salamanders. Family members have very small fore limbs and lack hind limbs altogether. [1] In one species, the skeleton in their fore limbs is made of only cartilage. In contrast to most other salamanders, they have external gills bunched together on the neck in both larval and adult