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Can sharks detect fear?
Learning is closely involved with memory, and the sharks I had under observation frequently showed their ability to remember events far back in time. Familiar sharks recognized me in the lagoon as much as two years after their last meeting with me, and their behaviour, of greeting and swimming with me, was unchanged.It's true, there are sharks out there that are cute and friendly! Of the over 500 species of sharks, only a handful of them have been known to attack humans and even these attacks are mostly a case of mistaken identity. This blog explores some of the 5 friendliest shark species in the oceans.Bump & Bite: Characterized by the shark circling and often “bumping” their victim prior to instigation of an attack. Unfortunately, this behaviour appears to be associated with feeding and often leads to serious, often fatal, injuries. Multiple bites are not uncommon.

Why don’t sharks attack humans : 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. Only about a dozen of the more than 300 species of sharks have been involved in attacks on humans.

Do sharks fear humans

Sharks are curious: Some attacks occur because of a shark's curiosity. Sharks may bite to figure out what our strange human shape is about, but they rarely bite humans to feed. Sharks are scared: When some sharks feel threatened, they bite to defend themselves, as many land animals might do.

Has a shark ever saved a human : Depends on the shark really. Great white sharks Highly unlikely. But lemon sharks have been known to help out humans who are lost or in danger.

Shark attacks may capture headlines, but science shows it's no reason to stay out of the water. Sharks have a lot more reason to be scared of humans than vice versa, and findings from a study from Cal State Long Beach's Shark Lab support this.

The lateral line is responsible for alerting a shark to potential prey and predators. It's made up of a row of small pores that run all the way from the snout to the tail. Surrounding water flows through these pores and special sensory cells sense any pressure changes.

Has anyone survived a shark bite

Mike Coots was surfing with his buddies near his home in Kauai when he was attacked by a shark. He lived to tell about it—and here's what he learned. Let's face it: Shark attacks are riveting. Plenty of people plan their lives around Shark Week—and even screenings of Sharknado.The chances of being attacked and killed by a shark are one in 3.75 million. The US and Australia consistently report the most shark attacks each year. But your chances of dying from a shark attack are rare and lower than death by a lightning strike.Usually, a hard blow to the shark's gills, eyes or snout (end of its nose) will cause it to retreat. These are really the only vulnerable areas on a shark. If you have a spear gun or pole, use it! A sharp object is a good way to inflict enough pain to scare away the shark.

Attacks are extremely rare and people are rarely consumed by sharks. A shark is capable of eating someone if they wanted to but it often doesn't, which suggests we're not considered prey and certainly not targeted, so that should allay a lot of fears.

Is A SharkBite Painful : If you feel something brush up against you, get out of the water to make sure that you have not been bitten. There have been reports that shark-bite victims often do not feel any pain. Swim, surf, or dive with other people.

What shark has killed the most humans : The great white shark

The great white shark is recorded as being responsible for the largest number of reported and identified fatal unprovoked shark attacks on humans (about 489). The bull shark is known to be extremely aggressive and is responsible for around 114 attacks. Tiger sharks are responsible for 101 unprovoked attacks on humans.

What scares sharks away

In theory, the combination of eucalyptus, chili, cloves, cayenne pepper, neem, tea tree oil, citronella and beeswax creates an odor that sharks dislike and will seek to avoid if applied to a surfboard.

If you're being attacked and fighting back, try to avoid the dangerous mouth and go for the gills behind the mouth near the pectoral fins. A good shot to the gills can also do the job: “The gills are very sensitive – giving a shark a whack in the gills isn't a bad idea.”Avoid being in the water during darkness or twilight hours when sharks are most active. Do not enter the water if bleeding from an open wound or if menstruating-a shark's ability to smell blood is acute. Wearing shiny jewelry is discouraged. When light reflects off shiny jewelry, it resembles the sheen of fish scales.

Has a hammerhead ever killed a human : According to the International Shark Attack File, humans have been subjects of 17 documented, unprovoked attacks by hammerhead sharks within the genus Sphyrna since AD 1580. No human fatalities have been recorded. Most hammerhead shark species are too small to inflict serious damage to humans.