Why it's awesome: Earth's oceans are home to many secretive and unusual creatures that humans rarely see — including giant ...

Nobody wants to experience a jellyfish sting. Luckily, if you stay alert and know what to look for, you can significantly ...

A species of jellyfish hunts its prey by hurling venom grenades to create "stinging water", researchers said early this month, solving a long-standing mystery as to how they gather food without ...

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.

Barbed-wire jellyfish (Apolemia uvaria) have invaded two Scottish fish farms, killing nearly 200,000 salmon.

Cnidarians, which include jellyfish and sea anemones, are marine animals known for their unique venomous capabilities. Their venoms serve various ecological functions, such as capturing prey and ...

Anyone unfamiliar with the biology of the venomous Portuguese man-of-war would likely mistake it for a jellyfish ... Muscles in the tentacles draw prey up to a polyp containing the gastrozooids ...

Anemones are marine invertebrates that are closely related to jellyfish. This colorful and ... the Venus flytrap anemone has a unique method of catching prey. The anemone sits still on the ocean ...