Tilikum was the largest orca in captivity. He measured 22.5 feet (6.9 m) long and weighed about 12,500 pounds (5,700 kg). His pectoral fins were 7 feet (2.1 m) long, his fluke curled under, and his 6.5-foot-tall (2.0 m) dorsal fin was collapsed completely to his left side. Tilikum was responsible for the death of three people, 2 trainers and a trespasser. Tilly was often bullied by the other female orcas who would rake their teeth along his skin until he bled, he was later kept in a med pool