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This is a list of maximum recorded animal lifespans in captivity. Only animals from the classes of the Chordata phylum are included. [ 1 ] On average, captive animals (especially mammals ) live longer than wild animals.
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]
An adult weighs 1.5 to 2.5 kg (3.3 to 5.5 lb), making them the fifth heaviest living amphibian in the world after their South China, Chinese and Japanese cousins and the goliath frog, while the largest cane toads may also weigh as much as a hellbender. Hellbenders reach sexual maturity at about five years of age, and may live 30 years in captivity.
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 ]
This is a list of amphibians of Europe.It includes all amphibians currently found in Europe.It does not include species found only in captivity or extinct in Europe, except where there is some doubt about this, nor does it currently include species introduced in recent decades.
In the wild, this amphibian grows to a total length (tail included) of 30 cm (12 in), [5]: 38 but rarely more than 20 cm (7.9 in) in captivity. Its color is dark gray dorsally, and lighter gray on its ventral side, with rust-colored small spots where its ribs can protrude. This newt has a flat, spade-shaped head and a long tail, which is about ...
Greater sirens measure around 1.5 cm (0.59 in) in length upon hatching and then grow to lengths ranging from 18 to 97 cm (7 to 38 in). [6] [7] [8] Weight can range from 55 to 1,000 g (1.9 to 35.3 oz). [9] [10] Coloration varies throughout their range, but they are generally an olive or gray color with small yellow or green dots on their sides.
Japanese giant salamanders in Tottori Prefecture, Japan, showing notable color variation among individuals within the same population. Andrias japonicus skull. The Japanese giant salamander (Andrias japonicus) is a species of fully aquatic giant salamander endemic to Japan, occurring across the western portion of the main island of Honshu, with smaller populations present on Shikoku and in ...