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.

Box jellyfish stings can cause severe pain, and in rare cases, serious medical complications. In the event of a sting or other emergency, beachgoers should call 911 immediately. Beachgoers are ...

The jellyfish, known for its box like shape, are responsible for some of the most venomous stings in the world, and can grow quickly during the stinger season before dying off as the weather cools ...