AnAge Home Help Human Ageing Genomic Resources Citation

AnAge entry for Monodon monoceros

Classification (HAGRID: 02658)
TaxonomyKingdom: Animalia
    Phylum: Chordata
        Class: Mammalia (Taxon entry)
            Order: Cetacea (Taxon entry)
                Family: Monodontidae
                    Genus: Monodon
SpeciesMonodon monoceros
Common nameNarwhal

Lifespan, ageing, and relevant traits

Maximum longevity50 years (wild)
Sourceref. 561
Sample sizemedium
Data qualityacceptable
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 maturity2,191 days
Male sexual maturity2,922 days
Gestation450 days
Weaning608 days
Litter size1 (viviparous)
Litters per year0.3
Inter-litter interval914 days
Weight at birth80,000 g
Weight at weaning
Adult weight1,250,000 g
Postnatal growth rate

Metabolism

No information on metabolism available.

References
[0434] Ronald Nowak (1999), Walker's Mammals of the World
[0538] Don Wilson and Sue Ruff (1999), The Smithsonian Book of North American Mammals
[0455] Virginia Hayssen et al. (1993), Asdell's Patterns of Mammalian Reproduction: A Compendium of Species-Specific Data
[0561] Margaret Klinowska (1991), Dolphins, Porpoises and Whales. The IUCN Red Data Book

External resources

Integrated Taxonomic Information SystemITIS 180485
Animal Diversity WebADW account
Encyclopedia of LifeSearch EOL
Genome ProjectSearch NCBI
Entrez

Search all databases

Entrez Taxonomy search

Ageing literature

Search Google Scholar

Search PubMed

Search Scirus

ImagesGoogle Image search
InternetSearch Google

AnAge database at the Human Ageing Genomic Resources.

If you find any missing or incorrect data, please contact us.