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| Classification (HAGRID: 03530) | |
| 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 | |
External resources | |
| Integrated Taxonomic Information System | ITIS 180686 |
| Animal Diversity Web | ADW account |
| Encyclopedia of Life | Search EOL |
| Genome Project | Search NCBI |
| Entrez | |
| Ageing literature | |
| Images | Google Image search |
| Internet | Search Google |
If you find any missing or incorrect data, please contact us.