Blue whale

Blue Whales are the moast streamline animal in the water (this is a scientificly proven fact). Despite there size the ridges along there sides offer maximum efficiency and there fore make them extre streamline they can cruse at speeds of 30kmh and have been recorded to travel 50kmh

Person 1 "Hey did you know what the moast streamline animal in the sea."

Person 2 "what."

Person 1 "the blue whale"

Person 2 "No way that's amazing."