Killer Whale

Scientific Name: Orcinus orca
Range: Oceanwide
Habitat: Open ocean 
Diet: A variety of prey based on region and population; seals, sea lions, other whales, fish, squid and seabirds
Size: Males up to 32 ft (9.8 m), females up to 23 ft (7 m)
Fun Fact: Orcas are actually large dolphins–sharing similarities like using echolocation, having a streamlined, compact body shape and possessing conical shaped teeth. 
IUCN Conservation Status: Unknown