The Southern Elephant Seal is the largest seal species, with males reaching lengths of up to 20 feet (6 meters) and weighing around 8,800 pounds (4,000 kilograms).
The Northern Elephant Seal is the second-largest seal species, with males growing up to 14 feet (4 meters) long and weighing around 5,000 pounds (2,300 kilograms).
Walruses are large pinnipeds, with males reaching lengths of up to 12-13 feet (3.6-4 meters) and weighing around 3,700 pounds (1,700 kilograms).
Southern Fur Seals are sizable seals, with males growing up to 7-8 feet (2.1-2.4 meters) long and weighing around 440 pounds (200 kilograms).
Steller Sea Lions are the largest of the eared seals, with males reaching lengths of up to 11 feet (3.3 meters) and weighing around 2,200 pounds (1,000 kilograms).
Northern Fur Seals are sizable seals, with males growing up to 6-7 feet (1.8-2.1 meters) long and weighing around 660 pounds (300 kilograms).
Hooded Seals are known for the distinctive inflatable bladder on the heads of males. They measure around 6-8 feet (1.8-2.4 meters) in length and weigh up to 900 pounds (400 kilograms).
Ross Seals are Antarctic seals, with males measuring around 5-6 feet (1.5-1.8 meters) long and weighing up to 550 pounds (250 kilograms).
Leopard Seals are large and powerful Antarctic seals, with males growing up to 8-10 feet (2.4-3 meters) long and weighing around 1,300 pounds (600 kilograms).