Some underwater species, like sharks, are well-known and feared ... Some of the animals on this list are dangerous for attacking humans, not necessarily killing them. There are no recorded ...

tiger sharks, great whites and oceanic whitetips. We’ll meet scientists who are shedding new light on these enigmatic creatures that are vital to the seas—and not as scary as you might think.

Do all sharks ... that they're not indiscriminate killers and would only attack a human if they felt threatened or mistook them for their natural prey. Are all sharks big and scary?

A family got one hell of a shock after taking a photograph on the beach only to realize there was an alarming sight in the ...