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This may be due to the fact that with proper treatment, captivity can provide refuge against diseases, competition with others of the same species and predators. Most notably, animals with shorter lifespans and faster growth rates benefit more from zoos than animals with higher longevities and slow growth rates. [2]
Leucistic axolotl in captivity. Today, the axolotl is still used in research as a model organism, and large numbers are bred in captivity. They are especially easy to breed compared to other salamanders in their family, which are rarely captive-bred due to the demands of terrestrial life.
Tiger salamander (Ambystoma tigrinum) Ambystoma tigrinum Biofluorescence in Ambystoma tigrinum. These salamanders usually grow to a length of 6–8 in (15–20 cm) with a lifespan of around 12–15 years. [5] They are characterized by having markings varying in color on the back of their head, body, and tail. [6]
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 years in captivity. [ 2 ]
All types of teeth are resorbed and replaced at intervals throughout the animal's life. [42] A terrestrial salamander catches its prey by flicking out its sticky tongue in an action that takes less than half a second. In some species, the tongue is attached anteriorly to the floor of the mouth, while in others, it is mounted on a pedicel.
Family: Plethodontidae (lungless salamanders) Cave salamander, Speleomantes strinatii NT ; Brown cave salamander, Hydromantes genei VU (France and Italy) Italian cave salamander, Speleomantes italicus NT ; Ambrosi's cave salamander, Speleomantes ambrosii NT ; Monte Albo cave salamander, Speleomantes flavus VU
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. A member of the family Cryptobranchidae, the hellbender is the only extant member of the genus Cryptobranchus.
The spotted salamander (Ambystoma maculatum), also known commonly as the yellow-spotted salamander, is a species of mole salamander in the family Ambystomatidae. [2] The species is native to the eastern United States and Canada. [1] It is the state amphibian of Ohio and South Carolina.