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.
Phelps' fastest speed in the water is around 6 mph and the top speed recorded by a great white shark is around 25 miles per hour. It's still unclear if the Discovery Channel plans to level the playing field or in this case, the ocean, but we can verify that no, a human cannot outswim a great white shark.
Go for the shark's most sensitive areas – its nose, its gills, and especially its eyes. Dig in and keep pressing until it lets you go. Remember that sharks will often thrash around once they have a bite, so if you can, give it a “hug”.
Experts say the best thing to do is to swim slowly and keep eye contact with the shark. They say the only time you should defend yourself is if a shark looks aggressive. In that case hit either its nose, eyes, or its gill openings.
Most sharks are not dangerous to humans — people are not part of their natural diet. Despite their scary reputation, sharks rarely ever attack humans and would much rather feed on fish and marine mammals.
Quick Answer: They are Fast, Smart, and Work as a Dolphin Team. Sharks and dolphins are two of the most formidable creatures in the ocean, but while sharks are often seen as fearsome predators, they are known to be intimidated by dolphins.
Keeping an eye on birds/fish: If you see birds diving or fish jumping, that could be a indicator that a larger predator, perhaps a shark, could be attempting to prey upon a school of fish.
What does a shark attack feel like? While each survivor describes the experience differently, a common description from shark attack survivors is the attack feels similar to being punched or bumped. Some survivors have even recounted no pain at all!
Made of very strong and thick bone, dolphin snouts are biological battering rams. Dolphins will position themselves several yards under a shark and burst upwards jabbing their snout into the soft underbelly of the shark causing serious internal injuries. More than Peas in a Pod.
Most attacks world-wide happen between 8.00 am and 6.00 pm and mostly on weekend during the warmer seasons of the year.
Sharks may be fearsome predators, but they have a little weakness: Most can't tolerate fresh water (probably, a good thing to humans). About 40% of bony fish live in fresh water, but only 5% of elasmobranchs (sharks and rays) can manage this feat. .
Is it OK to touch a shark? While it may be tempting, Julie Andersen of Shark Angels says that divers should resist the urge to touch sharks. Julie Andersen — one of Scuba Diving's 2012 Sea Heroes — is founder and executive director of Shark Angels, a U.S. nonproft dedicated to protection of sharks.
Hitting a shark on the nose, ideally with an inanimate object, usually results in the shark temporarily curtailing its attack. Try to get out of the water at this time. If this is not possible, repeated blows to the snout may offer a temporary reprieve, but the result is likely to become increasingly less effective.
Swim, surf, or dive with other people, and don't move too far away from assistance. Stay out of the water at dawn, dusk, and night, when some species of sharks may move inshore to feed. But be aware that tiger sharks are known to bite people at all times of the day.
This myth is often associated with a shark safety tip: “If you see dolphins, it's safe to swim there because their presence scares away sharks.” This is simply not correct. In fact, sharks and dolphins are often found near each other for a simple reason—they eat the same food, and both go where the food is.
A shark's most acute sense, the one it may use to detect prey from the greatest distance, is probably its sense of hearing. Sound travels faster and farther in water than in air. The general structure of a shark's internal ear resembles that of humans, but a shark's is much more sensitive.
Rapid, irregularly-pulsed sounds at low frequencies (below 600 hertz) similar to those made by injured prey or a group of spawning fish can alert a hunter such as a bull shark from over 1.6 km (1 mile) away. At 100 m (330 ft), a shark's lateral line system kicks in.
Sharks, like many predators, can sense fear and panic, and they are more likely to attack a fleeing swimmer than to attack someone staying calm and still.
Since sharks see contrast colors, anything that is very bright against lighter or darker skin can look like a bait fish to a shark. For this reason, he suggests swimmers avoid wearing yellow, white, or even bathing suits with contrasting colors, like black and white.
Being afraid of sharks is totally normal. You wouldn't be here today if your ancestors didn't stay away from things with pointy teeth. But you shouldn't let a fear of sharks prevent you from experiencing the beauty of the underwater world.
Whale Shark
Whale sharks are among the friendliest shark species, if not the friendliest. They have been known for giving divers trips on their backs, and baby whale sharks are known to interact with humans.
1. Great White Shark. Great white sharks are the most aggressive sharks in the world has recorded 333 attacks on humans, with 52 of them being fatal. The inclusion of this particular species probably comes as no surprise since movies, particularly Jaws, and television shows are quick to show their aggression.
In the United States, even considering only people who go to beaches, a person's chance of getting attacked by a shark is 1 in 11.5 million, and a person's chance of getting killed by a shark is less than 1 in 264.1 million.