AnAge entry for Lipotes vexillifer

Classification (HAGRID: 02761)

Taxonomy
Kingdom: Animalia
    Phylum: Chordata
        Class: Mammalia (Taxon entry)
            Order: Cetacea (Taxon entry)
                Family: Iniidae
                    Genus: Lipotes
Species
Lipotes vexillifer
Common name
Yangzte river dolphin or baiji

Lifespan, ageing, and relevant traits

Maximum longevity
24 years (captivity)
Source
ref. 671
Sample size
Small
Data quality
Questionable
Observations

A highly endangered species, not much is known about the longevity of these animals. One captive specimen lived for 22.5 years [0671] and they can live up to 24 years in the wild [0443]. Nonetheless, their maximum longevity is likely underestimated.

Life history traits (averages)

Female sexual maturity
2,920 days
Male sexual maturity
Gestation
319 days
Weaning
Litter size
1 (viviparous)
Litters per year
0.5
Inter-litter interval
730 days
Weight at birth
Weight at weaning
Adult weight
83,500 g
Postnatal growth rate

Metabolism

No information on metabolism is available.

References

External Resources

Integrated Taxonomic Information System
ITIS 180409
Animal Diversity Web
ADW account
Encyclopaedia of Life
Search EOL
NCBI Taxonomy
Taxonomy ID 118797
Entrez
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Ageing Literature
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Images
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Internet
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