Short-finned pilot whales (Globicephala macrorhynchus) swimming together. The short-finned pilot whale, which is found throughout the world's temperate and tropical waters in pods of up to 50 individuals, is actually a large dolphin. Feeding on fish, squid and octopus, it can grow to 4 to 6 metres in length and weigh up to 3 tonnes. Filmed off the Azores, North Atlantic Ocean.