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Global Animal Guide

Leopard Seal: Key Facts

Leopard seal on Antarctic ice floe

Quick answer

The leopard seal is a formidable Antarctic predator with a reptilian head and spotted coat, weighing up to 450 kg and living about 26 years. It ambushes penguins at ice edges, swims at 40 km/h, and has killed humans in rare water encounters.

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Key takeaway

The leopard seal is a formidable Antarctic predator with a reptilian head and spotted coat, weighing up to 450 kg and living about 26 years. It ambushes penguins at ice edges, swims at 40 km/h, and has killed humans in rare water encounters.

Leopard Seal overview

Leopard Seal (Hydrurga leptonyx) is a mammal listed here as Least Concern. Typical weight 200–450 kg (440–990 lb); females larger; lifespan around 20–26 years in the wild.

Leopard Seal ecology

Diet: Carnivore — penguins, seals, fish, and krill. Habitat: Antarctic and sub-Antarctic pack ice and waters. Movement and social systems reflect those pressures across the native range.

Leopard Seals and people

Learn before you travel or keep related pets. Wild leopard seals are not toys; captive care needs species-specific husbandry.

Status and further reading

Conservation label in our guides: Least Concern. See the full Leopard Seal profile for taxonomy, FAQs, and related topic guides on this site.

Conservation and coexistence

Listed as Least Concern on the IUCN Red List. Habitat loss, hunting, and climate change threaten many populations. Responsible ecotourism and community conservation help in parts of their range. Never approach or feed wild leopard seals.

Human interest and research

Leopard Seals feature in folklore, tourism, and scientific study worldwide. Ongoing research tracks population trends, genetics, and responses to environmental change — data that guides national protection policies.

Sources

Leopard Seal FAQs

What are key facts about leopard seals?

The leopard seal is a formidable Antarctic predator with a reptilian head and spotted coat, weighing up to 450 kg and living about 26 years. It ambushes penguins at ice edges, swims at 40 km/h, and has killed humans in rare water encounters.

What is the scientific name of the leopard seal?

Hydrurga leptonyx — used in research and conservation listings for leopard seals.

What do leopard seals eat?

Leopard Seals eat penguins, seals, fish, and krill, with seasonal and regional variation in Antarctic and sub-Antarctic pack ice and waters.

Where do leopard seals live?

They are associated with Antarctic and sub-Antarctic pack ice and waters. Local presence depends on food, cover, and human land use.

What is the conservation status of leopard seals?

Listed in our guides as Least Concern. Check the IUCN Red List and national assessments for the latest formal category.

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