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AnAge entry for Phocoena phocoena

Classification (HAGRID: 02660)
TaxonomyKingdom: Animalia
    Phylum: Chordata
        Class: Mammalia (Taxon entry)
            Order: Cetacea (Taxon entry)
                Family: Phocoenidae
                    Genus: Phocoena
SpeciesPhocoena phocoena
Common nameHarbor porpoise

Lifespan, ageing, and relevant traits

Maximum longevity20.4 years (captivity)
Sourceref. 671
Sample sizesmall
Data qualityacceptable
Observations

These animals rarely live more than 13 years in the wild [0434]. One captive specimen was still alive at 20.4 years of age [0671].

Life history traits (averages)

Female sexual maturity1,055 days
Male sexual maturity1,461 days
Gestation320 days
Weaning243 days
Litter size1 (viviparous)
Litters per year1
Inter-litter interval365 days
Weight at birth7,000 g
Weight at weaning
Adult weight52,500 g
Postnatal growth rate0.0088 days-1 (from Gompertz function)

Metabolism

Typical body temperatureNot yet available
Basal metabolic rate107.6750 W
Body mass28500.0 g
Metabolic rate per body mass0.003778 W/g

References
[0671] Richard Weigl (2005), Longevity of Mammals in Captivity; from the Living Collections of the World
[0434] Ronald Nowak (1999), Walker's Mammals of the World
[0339] Koopman et al. (1996), Stratification and age-related differences in blubber fatty acids of the male harbour porpoise (Phocoena phocoena), PubMed
[0455] Virginia Hayssen et al. (1993), Asdell's Patterns of Mammalian Reproduction: A Compendium of Species-Specific Data
[0433] McNab (1988), Complications inherent in scaling the basal rate of metabolism in mammals, PubMed
[0731] Zullinger et al. (1984), Fitting sigmoid equations to mammalian growth curves

External resources

Integrated Taxonomic Information SystemITIS 180473
Animal Diversity WebADW account
Encyclopedia of LifeSearch EOL
Genome ProjectSearch NCBI
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