AnAge entry for Orcaella brevirostris

Classification (HAGRID: 02744)

Taxonomy
Kingdom: Animalia
    Phylum: Chordata
        Class: Mammalia (Taxon entry)
            Order: Cetacea (Taxon entry)
                Family: Delphinidae
                    Genus: Orcaella
Species
Orcaella brevirostris
Common name
Irrawaddy dolphin
Synonyms
Orcaella fluminalis, Orca brevirostris

Lifespan, ageing, and relevant traits

Maximum longevity
30 years (wild)
Source
ref. 624
Sample size
Medium
Data quality
Acceptable
Observations

One study in the wild estimated age for 18 individuals with the oldest estimated to be around 30 years [0624].

Life history traits (averages)

Female sexual maturity
1,826 days
Male sexual maturity
1,826 days
Gestation
426 days
Weaning
471 days
Litter size
1 (viviparous)
Litters per year
Inter-litter interval
Weight at birth
12,300 g
Weight at weaning
45,000 g
Adult weight
190,000 g
Postnatal growth rate

Metabolism

No information on metabolism is available.

References

External Resources

Integrated Taxonomic Information System
ITIS 180471
Animal Diversity Web
ADW account
Encyclopaedia of Life
Search EOL
NCBI Taxonomy
Taxonomy ID 48747
Entrez
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Ageing Literature
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Images
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Internet
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