Of all of the more than 35,000 species of fish, the great white shark is widely considered to be the deadliest. While sharks are certainly fearsome, some smaller fish are even more lethal.

Imagine you look down and realize that the world's deadliest fish just stung you. That's exactly what happened to one unfortunate paramedic. 26-year-old paramedic Kacper Krupa went swimming at ...

Box jellyfish is one of the world’s deadliest animals in the ocean thanks to a venom containing toxins that strike at the heart, nervous system and even skin cells of anyone unlucky enough to touch ...

Paleontologists have discovered a newly identified fish species in Australia so well-preserved that they could determine its last meal — dating back up to 16 million years to the Miocene Epoch.

The infamous box jellyfish developed its frighteningly powerful venom to instantly stun or kill prey, like fish and shrimp, so their struggle to escape wouldn’t damage its delicate tentacles.