AnAge entry for Lutra lutra

Classification (HAGRID: 02631)

Taxonomy
Kingdom: Animalia
    Phylum: Chordata
        Class: Mammalia (Taxon entry)
            Order: Carnivora
                Family: Mustelidae
                    Genus: Lutra
Species
Lutra lutra
Common name
Eurasian river otter

Lifespan, ageing, and relevant traits

Maximum longevity
18.2 years (captivity)
Source
ref. 671
Sample size
Medium
Data quality
Acceptable
Observations

Although it has been claimed that these animals live up to 22 years in captivity [0542], this is unverified. The longevity record in captivity belongs to a female that was 18.2 years of age when she died [0671].

Life history traits (averages)

Female sexual maturity
548 days
Male sexual maturity
548 days
Gestation
61 days
Weaning
55 days
Litter size
2 (viviparous)
Litters per year
1
Inter-litter interval
365 days
Weight at birth
110.5 g
Weight at weaning
Adult weight
6,750 g
Postnatal growth rate
Maximum longevity residual
96%

Metabolism

Typical body temperature
311ºK or 38.1ºC or 100.6ºF
Basal metabolic rate
25.1040 W
Body mass
10000.0 g
Metabolic rate per body mass
0.002510 W/g

References

External Resources

Integrated Taxonomic Information System
ITIS 621916
Animal Diversity Web
ADW account
Encyclopaedia of Life
Search EOL
NCBI Taxonomy
Taxonomy ID 9657
Entrez
Search all databases
Ageing Literature
Search Google Scholar or Search PubMed or Search Scirus
Images
Google Image search
Internet
Search Google