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Latin had the name stellio for a type of spotted newt, now used for species of the genus Stellagama. Ancient Greek had the name κορδύλος, presumably for the water newt (immature newt, eft). [7] German has Molch, from Middle High German mol, wikt:olm, like the English term of unknown etymology.
The rough-skinned newt (Taricha granulosa) uses tetrodotoxin and is considered the most poisonous species of newt. There are species and sub-species of Taricha that live in concurrent regions with a garter snake (Thamnophis) that has developed a resistance to the TTX poisoning. Species that inhabit regions with resistant Thamnophis snakes have ...
This is a list of amphibians of Pennsylvania as listed by the Pennsylvania Fish and Boat Commission. [1] Notes on ranges provided by Pennsylvania Amphibian & Reptile Survey . [ 2 ] Pennsylvania has 41 native species of amphibians, with 23 salamanders and newts, and 18 species of frogs and toads.
This list is derived largely from the Herps of Arkansas website. [1] Conservation status is derived from NatureServe and represents the species' status within the state rather than their worldwide status. In Arkansas, there are 25 species of frog and toad, and 32 species of newts and salamanders.
Four species are categorized as endangered by the International Union for Conservation of Nature: the Barton Springs salamander, the Texas blind salamander, the black-spotted newt, and the Houston toad. Furthermore, Texas law protects several native amphibians, designating eleven species as threatened within the state and four others as endangered.
The Iberian ribbed newt (Pleurodeles waltl), also known commonly as the Spanish ribbed newt and el gallipato in Spanish, is a species of salamander in the subfamily Pleurodelinae of the family Salamandridae. The species is native to the central and southern Iberian Peninsula and Morocco. [2] It is the largest European newt species.
In terrestrial species, the tail moves to counterbalance the animal as it runs, while in the arboreal salamander and other tree-climbing species, it is prehensile. The tail is also used by certain plethodontid salamanders that can jump, to help launch themselves into the air. [ 14 ]
The largest species of lungless salamanders, Bell's false brook salamander, can reach lengths of 36 cm (14 in). [5] Many species have a projectile tongue and hyoid apparatus, which they can fire almost a body length at high speed to capture prey. Measured in individual numbers, they are very successful animals where they occur.