There are over 470 species of sharks and they have been living on Planet Earth for 420 million years.
The smallest shark - the dwarf lantern shark - is only 17 centimeters (6.7 inches) in length, while the whale shark is the largest specie in the world, with approximately 12 meters (39 feet).
Sharks live in all oceans down to depths of 2,000 meters (6,600 feet). Usually, they do not live in freshwater with the exception of the bull shark and river shark.
Teeth and jaws of sharks are deadly, but only the great white, oceanic white tip, tiger and bull sharks are responsible for fatal attacks on humans. The International Shark Attack File reveals that between 1580 and 2014, up to 497 people lost their lives due to 2777 shark attacks.
USA and Australia are the most sharks infested countries in the world. From year 1580, a total of 572 shark attacks killed 153 people in Australia. In the United States, 1100 attacks have already caused 35 deaths.
Florida and California have been suffering more than any other US state. With a total of 831 attacks, both territories have claimed 21 lives. Maui, Oahu and Kauai record all fatalities (9) ever in the Hawaiian Islands.
In the African continent, of all 345 attacks and 94 deaths, South Africa has had 241 attacks and 54 life losses. The Mascarene Islands have a 50% rate of casualties - 37 attacks and 17 deaths.
In South America, Brazil is on top of the list when it comes to shark attacks (98) and human losses (22), since 1931. Pernambuco is the most deadly region.
Europe's mild waters are quite protected from sharks and their jaws. Italy, with its warmer seas, recorded 13 attacks and three deaths, but it is Greece that has the largest number of attacks (14) and fatalities (12). The Old Continent has lost a total of 27 people for sharks, since 1847.
Australia is a shark-infested country, with three different grades of probabilities - mild (Northern Territory, Tasmania and Cocos Islands), moderate (Western Australia, South Australia and Victoria) and severe (Queensland and New South Wales).
With a total of 572 shark attacks and 153 deaths since 1700, the Australians are always under red alert.
Discover our shark attack map and get an anti-shark defense system to protect yourself while surfing. Learn how to survive a shark attack.
The most shark-infested regions are:
|Territory||Total Attacks||Fatal Attacks||Last Fatality|
|New South Wales (Australia)||215||60||2014|
|South Carolina (USA)||82||2||1852|
|Western Australia (Australia)||76||16||2014|
|North Carolina (USA)||52||3||2001|
|Mascarene Islands (Reunion, Mauritius and Rodrigues)||33||17||2013|
|New Jersey (USA)||18||6||1960|
|Big Island (Hawaii)||11||0||-|
|New York (USA)||8||0||-|
|Northern Territory (Australia)||5||1||1934|
|Rhode Island (USA)||1||0||-|
Updated on the 28th April, 2015