This colorful jellyfish is not one organism but a colony of four kinds of polyp. The stinging cells on the tentacles with which it fishes secrete a substance that is almost as toxic as cobra venom ...

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 ...

Beachcombers who walk the Texas coast this March may spot an unusual jellyfish among the usual marine life. The Mushroom Cap ...

The vast majority of jellyfish, whether dangerous or not, have a body that can be described as bulbous, bell-shaped, or balloon-like. They may vary tremendously in size and color, although most ...

Jiggly, colorful, and vaguely transparent, jellyfish are a fan favorite at any aquarium - not to mention they make a fantastic screensaver. The invertebrate is so popular, there's an entire day ...

The Newport Aquarium opened its newest exhibit on Friday. The exhibit is titled "Jellies: Go with the Flow" and will feature over 100 different jellyfish across six unique species. The exhibit will ...

Ryoya Sugimoto, a student at the University of Tokyo and jellyfish enthusiast, raised the specimens in his home, according to a March 3 news release from the National Oceanic and Atmospheric ...

Not only is it not a jellyfish, it's not even an "it," but ... Man-of-wars are also known as bluebottles for the purple-blue color of their pneumatophores. The tentacles are the man-of-war's ...