Imagine drifting through the ocean, surrounded by creatures so alien and ancient that they predate dinosaurs, trees, and even ...

Mild winter weather creates ideal conditions for these jelly-like creatures that travel by wind and wash ashore in spring.

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 ...

The infamous box jellyfish developed its frighteningly powerful venom to instantly stun or kill prey, like fish and shrimp ... their name from the cube-like shape of their bell.

These are smaller than moon jellyfish, roughly the diameter of a ruler - 30cm or smaller and are very distinct in colour. The bell shaped body is covered with brownish 'v' shaped markings which ...

This boat-shaped particle measures just 30 ... whose stinging tentacles deter predators. Dozens of fish species are known to turn to jellyfish for this kind of protection — the jellyfish itself ...