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AnAge entry for Cryptobranchus alleganiensis

Classification (HAGRID: 00936)
TaxonomyKingdom: Animalia
    Phylum: Chordata
        Class: Amphibia (Taxon entry)
            Order: Caudata
                Family: Cryptobranchidae
                    Genus: Cryptobranchus
SpeciesCryptobranchus alleganiensis
Common nameHellbender
SynonymsSalamandra alleganiensis, Cryptobranchus bishopi

Lifespan, ageing, and relevant traits

Maximum longevity29 years (wild)
Sourceref. 528
Sample sizemedium
Data qualityacceptable
Observations

This is a relatively long-lived species, and some estimates indicate these animals may live over 30 years in the wild [0528].

Life history traits (averages)

Female sexual maturity1,825 days
Male sexual maturity1,825 days
Incubation72 days
Metamorphosis
Clutch size275 (oviparous)
Adult weight358.1 g

Metabolism

Typical body temperature288ºK or 14.9ºC or 58.7ºF
Resting metabolic rate0.0253 W
Body mass358.0 g
Metabolic rate per body mass0.000071 W/g

References
[0037] Gillooly et al. (2001), Effects of size and temperature on metabolic rate, PubMed
[0440] New York State Department of Environmental Conservation
[0528] Partners in Amphibian And Reptile Conservation: Northeast Working Group

External resources

Integrated Taxonomic Information SystemITIS 173587
Animal Diversity WebADW account
Encyclopedia of LifeSearch EOL
Genome ProjectSearch NCBI
Entrez

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Ageing literature

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AnAge database at the Human Ageing Genomic Resources.

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