By Graeme Murray Sharks are often considered to be dangerous – and some are more worthy than other of their reputations as deadly killers. Researchers say there were 17,989 instances of dogs biting humans in 2021. But in the same year, only 75 unprovoked shark attacks occurred off the US coast, according to the ISAF. The figures show you’re 240 times more likely to be bitten by dog than by a shark. The ISAF also keeps a log of shark attacks between 1580 and the present day and the results are surprising. Here we look at the top 10most deadly sharks, and if they are as dangerous as their reputa…