How big does a Leopard Seal get?

A Leopard Seal averages around 350 kg and can reach up to 500 kg and with a body length up to 3.5 m.

Leopard Seal

Hydrurga leptonyx

The leopard seal (Hydrurga leptonyx) is a top predator of Antarctic and sub‑Antarctic seas, often associated with pack ice and coastal waters. It has a long, streamlined body and a large head with powerful jaws, allowing it to take a wide range of prey.

Mass (typical / record): 350 kg
Top speed: —
Body length: 2.9 m
Diet: Carnivore
Habitats: polar seas, coastal waters, pack ice

IUCN: LC (Least Concern)

Known for a 2003 fatal attack on British marine biologist Kirsty Brown, one of the only recorded deaths attributable to a leopard seal. Their gaping, almost reptilian head and sinuous body have made them iconic subjects of Antarctic wildlife documentaries.