well if they are circling you ya but it depends on how big the boat is
Many parts of the world have dangerous sharks but i would say Hawaii is pretty dangerous because three sharks that will attack humans live there. spots in Africa and south America are dangerous.
Grate white,mako shark,tigershark,bullshark, there is all types of dangerous sharks
Both are dangerous
ALL SHARKS ARE NOT DANGEROUS TO HUMANS BECAUSE THERE ARE DIFFERENT KIND OF SHARKS AND DIFFERENT KIND OF PEOPLE. ALL SHARKS ARE NOT DANGEROUS TO HUMANS BECAUSE THERE ARE DIFFERENT KIND OF SHARKS AND DIFFERENT KIND OF PEOPLE.
No sharks will eat you
Tiger sharks are very dangerous, and clever
Bull sharks are the most common and dangerous.
Sharks may be dangerous, but people blame the sharks, when they just felt threatened because you are in their home, or you look like their fav food, seals. The answer to your question is yes they are dangerous
Because there allot bigger than many other sharks so they can knock a medium sized boat.
Great Whites(dangerous), Whale sharks(too big),Tiger sharks(dangerous), etc.
Dangerous Encounters - 2005 Deadliest Sharks was released on: USA: 11 January 2011
actually yes some sharks can be more dangerous that other sharks for example the great white shark attacks alt Rather than the whale shark which is a filter feeder but bites when it needs to but only when necessary