AnAge entry for Neophocaena phocaenoides

Classification (HAGRID: 02766)

Taxonomy
Kingdom: Animalia
    Phylum: Chordata
        Class: Mammalia (Taxon entry)
            Order: Cetacea (Taxon entry)
                Family: Phocoenidae
                    Genus: Neophocaena
Species
Neophocaena phocaenoides
Common name
Finless porpoise
Synonyms
Delphinus phocaenoides

Lifespan, ageing, and relevant traits

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

Normally, these animals do not live more than 20 years. In Chinese waters, however, they reach sexual maturity at later ages (4-10 years) and also live longer [0443]. One captive specimen lived for 28.8 years [0671].

Life history traits (averages)

Female sexual maturity
2,190 days
Male sexual maturity
1,460 days
Gestation
320 days
Weaning
320 days
Litter size
1 (viviparous)
Litters per year
0.5
Inter-litter interval
730 days
Weight at birth
7,000 g
Weight at weaning
24,500 g
Adult weight
32,500 g
Postnatal growth rate

Metabolism

No information on metabolism is available.

References

External Resources

Integrated Taxonomic Information System
ITIS 180478
Animal Diversity Web
ADW account
Encyclopaedia of Life
Search EOL
NCBI Taxonomy
Taxonomy ID 34892
Entrez
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Ageing Literature
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Internet
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