Some people think that the whale shark looks like a giant flat-headed catfish. Like catfish, whale sharks have sensory organs called barbels extending out from their nostrils. Unlike catfish, ...

Here are all the hammerhead shark facts you need to know ... Hammerheads, like all other sharks, have sensory organs that can ...

The finding strongly suggests the tail is a sensory organ. The researchers suggest that it serves as an antenna of sorts, allowing the ray to feel water movement, such as that made by a shark ...