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The four-toed salamander can be easily mistaken for the redback salamander (Plethodon cinereus) in the wild. The redback salamander's underbelly has more numerous black markings. Unlike the four-toed salamander, the redback salamander has no constriction at the tail base, and its posterior limbs show five digits. [3]: 241–242
Examples of other amphibians in Louisiana are salamanders such as the eastern tiger salamander, southern red-backed salamander, Gulf Coast waterdog, dwarf salamander and the three-toed amphiuma. There are also toads such as Hurter's spadefoot toad and southern toad, as well as frogs such as pig frog, striped chorus frog and the bronze frog.
The long-toed salamander (Ambystoma macrodactylum, Baird 1849) [4] is a mole salamander in the family Ambystomatidae.This species, typically 4.1–8.9 cm (1 + 3 ⁄ 5 – 3 + 1 ⁄ 2 in) long when mature, is characterized by its mottled black, brown and yellow pigmentation, and its long outer fourth toe on the hind limbs.
Plethodon is part of the family Plethodontidae (lungless salamanders) and the subfamily Plethodontinae.The genus Plethodon can be divided into two subgenera: the nominal subgenus Plethodon, which includes up to 49 eastern species (the bulk of diversity in the genus), and the subgenus Hightonia, [5] which includes 9 species native to the western part of North America.
Louisiana Slimy Salamander (Plethodon kisatchie) The Louisiana slimy salamander (Plethodon kisatchie) is a species of salamander in the family Plethodontidae. It is endemic to the United States where it is only known from northern Louisiana and southern Arkansas. Its natural habitat is hardwood forests.
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 southeastern dwarf salamander prefers habitats of swampy pine woods. It is nocturnal and spends most of its time under leaf litter or forest floor debris. Breeding occurs in the fall, with 12 to 48 eggs being laid singly or in small clutches attached to submerged debris in shallow, slow moving or still water.
As of September 2021, the International Union for Conservation of Nature (IUCN) lists 3160 least concern amphibian species. [1] 38% of all evaluated amphibian species are listed as least concern.