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.

Many people enjoy spending their summers at the beach, listening to the waves, and exploring colorful tidepools. But too ...

Pet jellyfish also need a cylindrical aquarium ... Jellyfish are up to 98% water and don’t have a heart, bones, brain, or ...