Amazing, large and they live long , no wonder the shark didn't have a chance
Average life span in the wild: 50 to 80 years
Size: 23 to 32 ft (7 to 9.7 m)
Weight: Up to 6 tons
read more here ........ http://animals.nationalgeographic.co.../killer-whale/Orcas, or killer whales, are the largest of the dolphins and one of the world's most powerful predators. They feast on marine mammals such as seals, sea lions, and even whales, employing teeth that can be four inches (ten centimeters) long. They are known to grab seals right off the ice. They also eat fish, squid, and seabirds.