When do Sharks attack Humans?

Some sharks may attack human beings if attracted by underwater noises, erratic swimming the presence...

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Some sharks may attack human beings if attracted by underwater noises, erratic swimming the presence of a large number of bathers, or the glint of jewelry or some other article. But probably the greatest provocation to a shark is the presence of blood, for instance from a speared fish or live bait.

Sharks are most likely to attack during the daytime, the areas of greatest danger being those where the sea temperature is between 160 and 210 Centigrade (600 and 700 Fahrenheit). Most attacks seem to occur about 200 to 300 feet from the shore where the water is shallow-or no more than two or three feet in depth.

Among the kinds of sharks known to attack human beings are the tiger and the blue and gray nurse sharks. The most feared of all the shark family is the great white shark, a powerful and aggressive creature.

Erratic Swimming Bathers, Provocation to Shark, Presence of Blood, kinds of Sharks, Great White Shark