According to the Smithsonian National Museum of Natural History, scientists divide the more than 4,000 species known as jellyfish into four groups: Scyphozoa or "true" jellyfish, Cubozoa or box ...

Many people enjoy spending their summers at the beach, listening to the waves, and exploring colorful tidepools. But too ...

He said when they reached this medusa stage they become visible to naked eye. The freshwater “jellyfish” is not a true jellyfish as are some of its marine relatives. It differs slightly from the true ...

Jellyfish populations fluctuate naturally, and people tend to notice only the boom part of the cycle. Hydrozoans are in a class apart from true jellies. Some species never grow up; they remain ...

Far above, bathed in seeping light is Laurent's team, their tiny silhouettes just visible here. One of just a few bioluminescent true jellyfish, known as scyphozoans, the helmet jellyfish can emit ...

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 ...

According to the Smithsonian National Museum of Natural History, scientists divide the more than 4,000 species known as jellyfish into four groups: Scyphozoa or "true" jellyfish, Cubozoa or box ...