Should we be worried about sharks when we swim in the sea?
It is well known that the marine sharks in the sea. We need to be careful when swim in the sea but it for some countries to have sharks as fierce and abound such as in the Gulf of Australia ,South Africa,California and the central Mediterranean.
Most sharks live in deep water, and some types are harmless habit. So if we go for a swim in the sea, we shouldn't go swim in deep water, shouldn't be go in the area with a warning sign and if you find the shark, you must have conscious then you can survive the problems.