AnAge entry for Monodon monoceros

Classification (HAGRID: 02765)

Taxonomy
Kingdom: Animalia
    Phylum: Chordata
        Class: Mammalia (Taxon entry)
            Order: Cetacea (Taxon entry)
                Family: Monodontidae
                    Genus: Monodon
Species
Monodon monoceros
Common name
Narwhal
Synonyms
Narwalus microcephalus, Ceratodon monodon, Narwalus vulgaris

Lifespan, ageing, and relevant traits

Maximum longevity
50 years (wild)
Source
ref. 561
Sample size
Medium
Data quality
Acceptable
Observations

It is estimated that these animals may live more than 50 years. Attempts to keep animals in captivity have so far failed [0561].

Life history traits (averages)

Female sexual maturity
2,191 days
Male sexual maturity
2,922 days
Gestation
450 days
Weaning
608 days
Litter size
1 (viviparous)
Litters per year
0.3
Inter-litter interval
914 days
Weight at birth
80,000 g
Weight at weaning
Adult weight
1,250,000 g
Postnatal growth rate

Metabolism

No information on metabolism is available.

References

External Resources

Integrated Taxonomic Information System
ITIS 180485
Animal Diversity Web
ADW account
Encyclopaedia of Life
Search EOL
NCBI Taxonomy
Taxonomy ID 40151
Entrez
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Ageing Literature
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Images
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Internet
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