There are as many as 25000 different types of fish in the different water sources all around the world. These fascinating creatures are found in almost every water source and environment. E.g.: Even in Antarctic a fish type called icefish is found and this fish survives in the water that is below freezing point.
Distribution They are found world wide in warm seas (tropical and subtropical). Speed Tiger Sharks swim at a speed of 2.4 mph. They also swim in fast burst, but can only sustain these high speeds for a couple of seconds. Nicknames They are considered the garbage can of the sea.s the Tiger Shark a deadly killer or a unfortunate victim of yellow journalism? One of the largest sharks in the world adults commonly reach lengths of 3.3-4.3 m and weigh between 385-635 kg. Length at birth varies from 51-76cm.
Swimming Speed of the Average Shark. The general rule of thumb is that sharks can cruise at about 5 mph (8 kph), the speed of the fastest Olympic swimmer. If you're just a good swimmer, they have you beat. But often they are swimming around at a slower speed of about 1.5 mph (2.4 kph). But sharks can swim much faster when they are attacking, about 12 mph or 20 kph, the speed of a running human on land. You're not going to be able to swim away fast enough, you'd need a boat or jet ski or some other equipment.