Pseudo killer whales are mammals belonging to the dolphin family and the genus Pseudo killer whales. Living in tropical or temperate seas. The whole body is black or dark gray, with a slender body and a blunt and round head. Visiting coastal waters, but preferring to stay in deeper waters. Their diving depth can reach 2000 meters. Regularly organize large group activities. They feed on squid, but also catch hairtail, small sharks, as well as mackerel, black snapper, sea bass, and mackerel. Widely distributed in major oceans around the world except for the Arctic Ocean. Living in warm temperate to tropical waters around the world, it is found in the Bohai Sea, Yellow Sea, East China Sea, South China Sea, and Taiwan waters in China.