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AnAge entry for Inia geoffrensis

Classification (HAGRID: 02653)
TaxonomyKingdom: Animalia
    Phylum: Chordata
        Class: Mammalia (Taxon entry)
            Order: Cetacea (Taxon entry)
                Family: Iniidae
                    Genus: Inia
SpeciesInia geoffrensis
Common nameAmazon dolphin

Lifespan, ageing, and relevant traits

Maximum longevity31.3 years (captivity)
Sourceref. 671
Sample sizetiny
Data qualityacceptable
Observations

It is estimated that these animals can live up to 30 years in the wild [0001], but maybe longer. One captive specimen lived 31.3 years [0671].

Life history traits (averages)

Female sexual maturity
Male sexual maturity
Gestation287 days
Weaning
Litter size1 (viviparous)
Litters per year
Inter-litter interval
Weight at birth6,800 g
Weight at weaning
Adult weight84,000 g
Postnatal growth rate

Metabolism

No information on metabolism available.

References
[0671] Richard Weigl (2005), Longevity of Mammals in Captivity; from the Living Collections of the World
[0443] Ronald Nowak (2003), Walker's Marine Mammals of the World
[0434] Ronald Nowak (1999), Walker's Mammals of the World
[0455] Virginia Hayssen et al. (1993), Asdell's Patterns of Mammalian Reproduction: A Compendium of Species-Specific Data
[0001] Longevity Records: Life Spans of Mammals, Birds, Amphibians, Reptiles, and Fish

External resources

Integrated Taxonomic Information SystemITIS 180407
Animal Diversity WebADW account
Encyclopedia of LifeSearch EOL
Genome ProjectSearch NCBI
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