Pacific sea nettle The brilliantly named Pacific sea nettle is a red-tinted jellyfish that lives ... Although painful on contact the beautiful creatures put on a marvellous show when swimming ...

Many of the creatures lumped together ... The so-called immortal jellyfish resembles a tiny, hairy thimble and lives in the Mediterranean Sea and also off Japan. Members of the species can reverse ...

How many species of jellyfish are there? Jellyfish are sometimes called sea jellies. They belong to a group called Medusozoa which is divided into four classes: Hydrozoa, Scyphozoa, Cubozoa and ...

Our oceans are filled with fascinating marine life. Of course, they're not all harmless. Avoid these venomous creatures while ...

An curved arrow pointing right. On a recent expedition in the Mariana Trench, NOAA's Okeanos Explorer team spotted this beautiful new jellyfish. Produced by Grace Raver Footage courtesy of NOAA ...

These jellyfish are solo explorers, but they also appear to help to protect smaller sea creatures. During an expedition in the Gulf of California, researchers from the Monterey Bay Aquarium ...

The ornately colored sea anemone (uh-NEM-uh-nee) is named after the equally flashy terrestrial anemone flower. A close relative of coral and jellyfish, anemones are stinging polyps that spend most ...