Leopard seal

It is a marine, diurnal invertivore with a trophic level of carnivore, and checklists record it in Australia. The leopard seal is listed as Least Concern on the IUCN Red List, which is not a threatened category.

Weight

360 kg – 375.7 kgsrc for Weight

Length

Not recorded

Lifespan

26 yearssrc for Lifespan

Diet

Invertivoresrc for Diet

Main food

Not recorded

Habitat

Not recorded

Gestation

289 dayssrc for Gestation

Young per litter or clutch

0.98src for Young per litter or clutch

Age at maturity

3.64 years – 3.99 yearssrc for Age at maturity

Litters or clutches a year

1.1src for Litters or clutches a year

Active

By day (diurnal)src for Active

Lifestyle

Marinesrc for Lifestyle

Conservation status

Least Concern (IUCN)src for Conservation status

Countries on record

1 countrysrc for Countries on record

1 more photo exists under a licence we cannot display: view at source.

The leopard seal is listed for 1 country.

The same countries as a list

1. Australia

Listed by: ITIS (scope: global), through the Catalogue of Life.

The leopard seal is listed as Least Concern on the IUCN Red List: it is not currently at risk of extinction.

1. LCLeast Concern
2. NTNear Threatened
3. VUVulnerable
4. ENEndangered
5. CRCritically Endangered
6. EWExtinct in the Wild
7. EXExtinct

Category via Wikidata (CC0). Find the full assessment on the IUCN Red List. See all Least Concern species.

1. kingdomAnimalia
2. phylumChordata
3. classMammalia
4. orderCarnivora
5. familyPhocidae
6. genusHydrurga
7. SpeciesHydrurga leptonyx (de Blainville, 1820)

Synonyms Ogmorhinus leptonyx, Phoca leptonyx, Stenorhynchus leptonyx

Catalogue of LifeWikipediaiNaturalistTAXREFWikidataWoRMSIUCN Red List

LC, Least Concern

Harbor seal

Phoca vitulina

Phocidae

LC, Least Concern

Grey seal

Halichoerus grypus

Phocidae

VU, Vulnerable

Mediterranean monk seal

Monachus monachus

Phocidae

NT, Near Threatened

Bearded seal

Erignathus barbatus

Phocidae

LC, Least Concern

Ringed seal

Pusa hispida

Phocidae

LC, Least Concern

Baikal seal

Pusa sibirica

Phocidae

CompareLeopard seal vs Harbor sealLeopard seal vs Grey sealLeopard seal vs Mediterranean monk sealLeopard seal vs Bearded seal

• An amniote life-history database to perform comparative analyses with birds, mammals, and reptiles · CC0 1.0 · E096-269
  Myhrvold, N.P., Baldridge, E., Chan, B., Sivam, D., Freeman, D.L. & Ernest, S.K.M. (2015) An amniote life-history database to perform comparative analyses with birds, mammals, and reptiles. Ecology 96: 3109. https://doi.org/10.1890/15-0846R.1. Data: https://doi.org/10.6084/m9.figshare.3563457.v1
• Catalogue of Life eXtended Release · CC BY 4.0 · 2026-10-16 XR
  Catalogue of Life (2026). Catalogue of Life eXtended Release, version 2026-10-16 XR. Catalogue of Life Foundation, Amsterdam, Netherlands. https://doi.org/10.48580/dgzlf
• Wikimedia Commons · per file (CC0 / public domain / CC BY green, CC BY-SA amber, anything else not displayed) · 2026-11-11
  Wikimedia Commons contributors. Wikimedia Commons. https://commons.wikimedia.org (each file credited to its author under its own licence).
• EltonTraits 1.0: species-level foraging attributes of the world's birds and mammals · CC0 1.0 · 1.0
  Wilman, H., Belmaker, J., Simpson, J., de la Rosa, C., Rivadeneira, M.M. & Jetz, W. (2014) EltonTraits 1.0: Species-level foraging attributes of the world's birds and mammals. Ecology 95: 2027. https://doi.org/10.1890/13-1917.1. Data: https://doi.org/10.6084/m9.figshare.3559887.v1
• Wikidata · CC0 1.0 · 2026-11-11
  Wikidata contributors. Wikidata. https://www.wikidata.org (data retrieved via the Wikidata Query Service).
• Wikipedia (English) · CC BY-SA 4.0 · 2026-11-11
  Wikipedia contributors. Wikipedia, The Free Encyclopedia. https://en.wikipedia.org (text under CC BY-SA 4.0; each block names its article and revision).

@misc{leopard_seal_2026,
  title = {Leopard seal (Hydrurga leptonyx)},
  author = {{CreatureData}},
  year = {2026},
  url = {https://creaturedata.com/animals/leopard-seal},
  note = {Data as of 2026-11-11}
}