The seals can live for as many as 30 years in the wild, while dealing with predators like orcas and larger leopard seals. They survive on fish, squid, and other smaller prey to survive.
They prey on seals ... are strong swimmers that hunt seals by stalking them on sea ice, making them a lethal marine predator. A top predator in the Antarctic, the leopard seal’s sharp teeth ...
It is at this site that the first leopard seal (Hydrurga ... pack ice to ambush their prey, the majority of which is made up of krill; however, they are also known to hunt penguins, pinnipeds ...