AnAge entry for Neophocaena phocaenoides
Classification (HAGRID: 02316)
- 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
- Neophocaena phocaenoides phocaenoides, 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
- [0978] Jones et al. (2009), PanTHERIA: a species-level database of life history, ecology, and geography of extant and recently extinct mammals
- [0671] Richard Weigl (2005), Longevity of Mammals in Captivity; from the Living Collections of the World
- [0443] Ronald Nowak (2003), Walker's Marine Mammals of the World
- [0562] Jefferson et al. (2002), Growth and reproduction of the finless porpoise in southern China
- [0434] Ronald Nowak (1999), Walker's Mammals of the World
- [0455] Virginia Hayssen et al. (1993), Asdell's Patterns of Mammalian Reproduction: A Compendium of Species-Specific Data
- [0680] Wootton (1987), The effects of body mass, phylogeny, habitat, and trophic level on mammalian age at first reproduction
External Resources
- Integrated Taxonomic Information System
- ITIS 180478
- Animal Diversity Web
- ADW account
- Encyclopaedia of Life
- Search EOL
- NCBI Taxonomy
- Taxonomy ID 34892
- Entrez
- Search all databases
- Ageing Literature
- Search Google Scholar or Search PubMed
- Images
- Google Image search
- Internet
- Search Google