Why sharks are the last one to be on the list? It is because shark attacks are rare. They are most active at dawn and dusk, so mind yourself going in the water during that time of the day. You might have heard of their one specialty that they can smell blood. It’s not a myth, sharks do get attracted to blood and it is often suggested that a wounded person shouldn’t enter inside water. If you come across one it’s better to leave the water as soon as possible and notify the closest lifeguard in sight.