AnAge entry for Phocoenoides dalli

Classification (HAGRID: 02661)
Taxonomy	Kingdom: Animalia Phylum: Chordata Class: Mammalia (Taxon entry) Order: Cetacea (Taxon entry) Family: Phocoenidae Genus: Phocoenoides
Species	Phocoenoides dalli
Common name	Dall's porpoise
Lifespan, ageing, and relevant traits
Maximum longevity	22 years (wild)
Source	ref. 1
Sample size	medium
Data quality	acceptable
Observations	Average longevity is around 16-17 years [0561]. Maximum longevity is probably underestimated.
Life history traits (averages)
Female sexual maturity	1,826 days
Male sexual maturity	2,375 days
Gestation	347 days
Weaning	302 days
Litter size	1 (viviparous)
Litters per year	0.7
Inter-litter interval	1,096 days
Weight at birth
Weight at weaning
Adult weight	120,000 g
Postnatal growth rate
Metabolism
No information on metabolism available.
References
[0610] Ernest (2003), Life history characteristics of placental non-volant mammals [0434] Ronald Nowak (1999), Walker's Mammals of the World [0538] Don Wilson and Sue Ruff (1999), The Smithsonian Book of North American Mammals [0455] Virginia Hayssen et al. (1993), Asdell's Patterns of Mammalian Reproduction: A Compendium of Species-Specific Data [0561] Margaret Klinowska (1991), Dolphins, Porpoises and Whales. The IUCN Red Data Book [0680] Wootton (1987), The effects of body mass, phylogeny, habitat, and trophic level on mammalian age at first reproduction [0001] Longevity Records: Life Spans of Mammals, Birds, Amphibians, Reptiles, and Fish
External resources
Integrated Taxonomic Information System	ITIS 180480
Animal Diversity Web	ADW account
Encyclopedia of Life	Search EOL
Genome Project	Search NCBI
Entrez	Search all databases Entrez Taxonomy search
Ageing literature	Search Google Scholar Search PubMed Search Scirus
Images	Google Image search
Internet	Search Google

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