Jellyfish are known for drifting to and fro at the whim of ocean currents—but not all species are so passive. The millions of golden jellyfish that pack Palau’s Jellyfish Lake spend much of ...

Moon jellyfish are small and rounded, with short, small tentacles that are hard to spot. They are translucent in color and can be harder to see. If there is high activity or a large volume of ...