AnAge entry for Trichechus inunguis
Classification (HAGRID: 03207)
- Taxonomy
-
Kingdom: Animalia
Phylum: Chordata
Class: Mammalia (Taxon entry)
Order: Sirenia
Family: Trichechidae
Genus: Trichechus
- Species
- Trichechus inunguis
- Common name
- Amazonian manatee
- Synonyms
- Trichecus inunguis
Lifespan, ageing, and relevant traits
- Maximum longevity
- 40 years (captivity)
- Source
- ref. 671
- Sample size
- Small
- Data quality
- Acceptable
- Observations
Manatees may feature some form of continuous tooth development [0002]. It is estimated that they can live 30 years in the wild [0573], but probably longer. One wild born specimen was still alive in captivity at 40 years of age [0671].
Life history traits (averages)
- Female sexual maturity
- 1,096 days
- Male sexual maturity
- 1,096 days
- Gestation
- 328 days
- Weaning
- 548 days
- Litter size
- 1 (viviparous)
- Litters per year
- 0.5
- Inter-litter interval
- Weight at birth
- 12,500 g
- Weight at weaning
- 67,500 g
- Adult weight
- 480,000 g
- Postnatal growth rate
- Maximum longevity residual
- 110%
Metabolism
- Typical body temperature
- Not yet available
- Basal metabolic rate
- 55.0150 W
- Body mass
- 167594.0 g
- Metabolic rate per body mass
- 0.000328 W/g
References
- [0671] Richard Weigl (2005), Longevity of Mammals in Captivity; from the Living Collections of the World
- [0036] Savage et al. (2004), The predominance of quarter-power scaling in biology
- [0443] Ronald Nowak (2003), Walker's Marine Mammals of the World
- [0610] Ernest (2003), Life history characteristics of placental non-volant mammals
- [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
- [0002] Caleb Finch (1990), Longevity, Senescence, and the Genome
- [0573] David Macdonald (1985), The Encyclopedia of Mammals
External Resources
- Integrated Taxonomic Information System
- ITIS 180686
- Animal Diversity Web
- ADW account
- Encyclopaedia of Life
- Search EOL
- NCBI Taxonomy
- Taxonomy ID 9777
- Entrez
- Search all databases
- Ageing Literature
- Search Google Scholar or Search PubMed
- Images
- Google Image search
- Internet
- Search Google