Scary, squishy, cool, brainless, mesmerizing—jellyfish are all of these ... Aurelia aurita. Moon jellies swirl in a tank at Japan’s Kamo Aquarium. Popular with professional and home aquarists ...

Jellyfish are among the oldest animals on Earth, found in all the world's oceans and serve as valuable model systems for ...

The integral jellyfish is a new hydrozoan species found in the northwest Pacific off the coast of Japan. Photo by Sugimoto, Izumi, Collins (2025) Nearly seven years later, Sugimoto, Collins ...