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| Classification (HAGRID: 02529) | |
| 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 |
|
[0671] Richard Weigl (2005), Longevity of Mammals in Captivity; from the Living Collections of the World | |
External resources | |
| Integrated Taxonomic Information System | ITIS 621916 |
| 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.