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Contrary to popular belief, only a few sharks are dangerous to humans. Out of more than 470 species, only four have been involved in a significant number of fatal, unprovoked attacks on humans: the great white, oceanic whitetip, tiger, and bull sharks. [102] [103] These sharks are large, powerful predators, and may sometimes attack and kill ...
These sharks are also large, powerful predators which can be provoked simply by being in the water at the wrong time and place, but they are normally considered less dangerous to humans than the previous group. On the evening of 16 March 2009, a new addition was made to the list of sharks known to have attacked human beings.
These sharks are characterized by teeth in upper and lower jaws similar in size; caudal peduncle with lateral keels; upper precaudal pit usually present; and a caudal fin without a subterminal notch. Unlike nearly all other shark species, dogfish possess venom , which coats their dorsal spines and is mildly toxic to humans.
Last year there were 57 unprovoked shark bites on humans and experts say these incidents may be increasing due to the impacts of global warming and habitat damage, writes Faiza Saqib
Sand sharks are not known to attack humans. If a person were to provoke a sand shark, it may retaliate defensively. Sand sharks are generally not aggressive, but harass divers who are spearfishing. In North America, wreck divers regularly visit the World War II shipwrecks to dive with the sharks that make the wrecks their home. [8]
Tiger sharks are large species that reside in tropical and temperate waters and are among sharks most cited by the International Shark Attack File (ISAF) for unprovoked attacks on humans (Getty ...
The tiger shark is considered to be one of the most dangerous sharks to humans. [1] Although it is found in the Red Sea it is not usually seen near reefs during the daytime. The Grey reef shark is territorial and may be aggressive, and has been involved in non-fatal attacks on divers.
Humans, 2 million years, even the ancestor of chimps and ourselves only takes it back to 6 million years ago, while sharks go back an incredible 450 million years.