The infamous box jellyfish developed its frighteningly powerful ... in color and get their name from the cube-like shape of their bell. Up to 15 tentacles grow from each corner of the bell and ...

It is a translucent brown to reddish jellyfish with a thick mane of hundreds of long hair-like tentacles. They also have ...

Flower hat jellies exemplify the paradox of the medusas, or bell-shaped jellyfish: They’re both delicate and menacing. Sitting on the seafloor, waving colorful tentacles, they lure fish ...

It's hard to believe this is a functioning robot with a battery inside In the case of the jellyfish-shaped robot, a RFB is connected to a tendon that changes the shape of the bell at the top of ...