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08 cze 2015

Shaks are scary but not that dangarous.

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Sharks are kinda scary.

The fear of being attacked from below the surface, by a hidden foe, taps into our most primal instincts. That’s because in the water sharks are faster than us, can appear like out of nowhere and pack a pretty solid bite. It’s easy to get nervous when you’re in the dark ocean and unsure of who is swimming by with a toothy grin.

There are other lethal animals we might encounter in the wild—grizzly bears or tigers or … but we can see them coming. Sharks, by contrast, operate in a foreign territory where we visit from time to time. Their ability to launch a surprise strike renders us defenseless.

Some numbers.

But sharks aren’t the animals you should be most afraid of . Just see statistics : for example 1 person is killed each year in the U.S. and fewer than six worldwide are killed by sharks. From 2006 to 2010, there were just three fatalities from shark attacks in the U.S.

This is not to say sharks are harmless. They are predators whose skills have been honed over millennia, and from time to time, they mistake humans for their target. They’ve got multiple rows of sharp teeth and when their teeth break off or become worn, new ones grow in; they can detect the beating heart of creatures under the water’s surface or buried in the sand; and the bite force of a modern great white is more than three times the strength of an African lion.

Sharks are less dangerous than snakes.

How does that compare to other causes of death, both globally and in the United States? Snake bites account for more than 100,000 annual fatalities, reports the World Health Organization. And according to the Centers for Disease Control’s 2007 statistics—the latest figures available—five Americans died from malaria, nine from whooping cough, and 613 from the accidental discharge of firearms during that year.

Sharks are kinda helpful :)

Instead of afraid of sharks, you have to think that they are useful animals. Sharks play a vital role in the oceans in a way that the average fish does not. Sharks are good indicators of ecosystem health. For all their evolutionary success and apparent menace, sharks are incredibly fragile, unable to withstand the increased pressures forced on them by the voracious world fishing industries. This is partly due to the fact that sharks are slow growing animals that mature late, live long, and have a low reproduction rate. Sharks keep our oceans healthy and productive. They tend to eat very efficiently, going after the old, sick, or slower fish in a population, keeping that population health.


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