Researchers run seawater through the mouth and gills of a captured tiger shark to keep it alive as they tag the animal and gather ultrasound images and other data from it. Scientists usually ...

An epic showdown between Marvel's Tiger Shark and DC's King Shark, comparing their origins, powers, combat skills, and who ...

"In a situation where you don't have that, going for the face and the gills and trying to ... two or three or four metre white shark or a three or four metre tiger shark... There's no chance ...

Other species can pump seawater over their gills by opening and closing their mouths which means they can sit on the seabed for long periods of time. Sand tiger sharks eat their siblings in the ...