The top speed of a shark varies between the individual species. There are over 400 species of sharks in the world's oceans, but the fastest known species is the shortfin mako and the slowest is the Greenland shark.
The shortfin mako is the fastest shark in the ocean, able to reach a top speed of 31 miles per hour. This shark is also capable of breaching the ocean surface to capture prey, reaching heights of up to 20 feet.
The slowest shark in the ocean is the Greenland shark, able to reach a top speed of 1.7 miles per hour. As the name suggests, the Greenland shark lives in the Arctic Ocean.
The whale shark, the largest shark in the ocean, can reach a top speed of up to one body length per second. With a maximum size of 32.8 feet, the largest whale shark can reach a top speed of 22.4 miles per hour.Learn More
A great white shark can smell blood in a radius of approximately 1/3 mile or "as low as 1 part per 25 million." Not all sharks have this strong of a sense of smell; however, all sharks do have a sense of smell that is superior to many animals.Full Answer >
The most noticeable difference between the extinct Megalodon and its modern-day counterpart, the Great White Shark, is that the Megalodon was much larger. Scientists attempt to discern more subtle differences between the two species from evidence found in fossilized teeth of the Megalodon.Full Answer >
The Indian Ocean is home to a multitude of shark species, some dangerous to human beings, others not. According to the Shark Foundation, species making their homes in these temperate waters include, but are not limited to blue sharks, silky sharks, whale sharks, bull sharks, tiger sharks, shortfin mako, the great hammerhead, thresher and great white.Full Answer >
Sharks do not sleep in the way that land animals such as humans do, but sharks do experience quiet periods and undergo what is called sleep-swimming. It was once believed that all sharks had to stay awake constantly in order to move water over their gills to breathe.Full Answer >