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The most effective triggers of agonistic behaviour in sharks include: [7] [4] [1] hunger; crowding by human divers (independent or group dives) and submersible machinery; sustained targeted pursuit; invasion of the shark's idiosphere, without appropriate warning or consent [8] natural competition for resources with other organisms
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.
He says: “People are very recent on the planet compared to sharks. Humans, 2 million years, even the ancestor of chimps and ourselves only takes it back to 6 million years ago, while sharks go ...
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 ...
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.
The large size and cutting teeth of the silky shark make it potentially dangerous, and it has behaved aggressively towards divers. However, attacks are rare, as few humans enter its oceanic habitat. Silky sharks are valued for their fins, and to a lesser extent their meat, hide, liver oil, and jaws.
Although sharks rarely bite humans, the tiger shark is reported to be responsible for a large share of fatal shark-bite incidents, and is regarded as one of the most dangerous shark species. [ 61 ] [ 62 ] They often visit shallow reefs, harbors, and canals, creating the potential for encounter with humans. [ 5 ]
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