AnAge entry for Trichechus inunguis

Classification (HAGRID: 03636)

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

External Resources

Integrated Taxonomic Information System
ITIS 180686
Animal Diversity Web
ADW account
Encyclopaedia of Life
Search EOL
NCBI Taxonomy
Taxonomy ID 9777
Entrez
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Ageing Literature
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Internet
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