including box jellyfish, which have appeared in Florida and even New Jersey, and in rare cases can be lethal. While being stung by a jellyfish is seldom life-threatening, it is highly unpleasant ...

They first caught Diederik Boonman’s eye during a class assignment exploration that brought him to a beach along New Jersey’s coast ... are related to jellyfish. They have stinging tentacles ...

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.