Just because you can't see any ears on a shark doesn't mean it can't hear. In
fact, a shark can hear sounds up to 0.6 miles away—about the length of ten
football fields. Sharks are particularly sensitive to the irregular,
low-frequency sounds made by a sick or wounded fish, and prey in this state is
an easy target.
Just because you can't see any ears on a shark doesn't mean it can't hear. In
fact, a shark can hear sounds up to