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In the lungless salamanders (family Plethodontidae and the clawed salamanders in the family of Asiatic salamanders), no lungs or gills are present, and gas exchange mostly takes place through the skin, known as cutaneous respiration, supplemented by the tissues lining the mouth. To facilitate this, these salamanders have a dense network of ...
More than a third of the worlds salamanders live in the United States, [25] and 40% of those salamanders are already threatened. [26] While regulations on the most likely avenue of introduction into North America, amphibian trade, [27] are in place in both Canada and the United States, regulations are seriously lacking in Mexico.
These amphibians usually sequester toxins from animals and plants on which they feed, commonly from poisonous insects or poisonous plants. Except certain salamandrid salamanders that can extrude sharp venom-tipped ribs, [1] [2] and two species of frogs with venom-tipped bone spurs on their skulls, amphibians are not known to actively inject venom.
While exciting to see, the spotted salamander should not be handled by humans if at all possible. The amphibian’s skin has a sensitive, slimy coating, which, if removed through handling, could ...
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 ...
The family includes some of the largest living amphibians. They are native to China, Japan, and the eastern United States. Giant salamanders constitute one of two living families—the other being the Asiatic salamanders belonging to the family Hynobiidae—within the Cryptobranchoidea, one of two main divisions of living salamanders.
The giant salamander is known to vocalize, making barking, whining, hissing, or crying sounds. [20] Some of these vocalizations bear a striking resemblance to the crying of a young human child, and as such, it is known in the Chinese language as the "infant fish" (娃娃鱼 / 鲵 - Wáwáyú/ ní). [21]
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 ...