Jellyfish can produce offspring both sexually and asexually; depending on the species, they may be able ... a senior scientist at the Monterey Bay Aquarium Research Institute.

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 ...

This jellyfish species, reaching up to 7 inches in diameter, is identifiable by its visible stomach and gonads. The many-ribbed jellyfish uses bioluminescence as a defense mechanism against predators.