Other shark characteristics include using their gills to extract oxygen from the water, rather than breathing air. Unusual for non-mammals, whale sharks give birth to their young live instead of ...

This shark has 38 known species across the globe and shares characteristics of both sharks and rays. The guitar shark family ...

Individuals range in size from 6.5 to 10.5 feet in length. Sand tigers are the only shark known to come to the surface and gulp air. They store the air in their stomachs, which allows them to ...

More than a fanciful shark-octopus hybrid featured in low-budget sci-fi films of the 2010s, the "sharktopus" has been spotted in real life - well, kind of. The sighting was not that of some mish ...

Researchers in New Zealand have made what they believe is the first recording of a shark actively making noise. By Yan Zhuang Dolphins whistle. Whales sing. Fish croak, chirp, grunt, hum and growl.

In the study, researchers detail evidence of the rig shark – a small species found off the coast of New Zealand – making clicking sounds when approached by scientists and handled underwater.

The study, published Wednesday, found that the rig shark -- also known as the spotted estuary smoothhound -- produces clicking sounds when handled, according to the study. "Sharks are maybe not as ...