The firework jellyfish is rarely seen by humans, but its bioluminescence could put any July 4th show to shame.

This is a model of the atolla jellyfish, Atolla wyvillei. This species uses bioluminescence like a burglar alarm. When under threat it makes swirling patterns of light to attract larger predators that ...

This remarkable migration pattern has a crucial consequence: The jellyfish avoid the shaded lakeshore areas where their primary predators, anemones, live. The daily migration also benefits the ...