AnAge entry for Andrias japonicus

Classification (HAGRID: 00144)

Taxonomy: Kingdom: Animalia
    Phylum: Chordata
        Class: Amphibia (Taxon entry)
            Order: Caudata
                Family: Cryptobranchidae
                    Genus: Andrias
Species: Andrias japonicus
Common name: Japanese giant salamander
Synonyms: Andrias davidianus japonicus, Triton japonicus, Megalobatrachus sieboldi, Salamandra maxima, Cryptobranchus japonicus, Hydrosalamandra siboldi, Hydrosalamandra japonica, Sieboldia maxima, Salamandra gigas, Tritomegas sieboldii, Tritomegas sieboldtii, Megalobatrachus maximus, Cryptobranchus maximus, Megalobatrachus japonicus, Sieboldiana maxima, Cryptobranchus sieboldia, Megalobatrachus japonicus japonicus, Andrias scheuchzeri japonicus

Maximum longevity: 55 years (captivity)
Source: ref. 485
Sample size: Small
Data quality: Acceptable
Observations: The longest-lived amphibians on record, it is possible that these animals feature negligible senescence. Their longevity may be underestimated and there are anecdotal claims that these animals live up to 80 or even 100 years.

No information on metabolism is available.

[0485] Andrew Snider and J. Bowler (1992), Longevity of Reptiles and Amphibians in North American Collections, Second Edition
[0002] Caleb Finch (1990), Longevity, Senescence, and the Genome
[0749] AmphibiaWeb