This jellyfish species has a clear body, can glow green and has an almost unnoticeable sting, Jace Tunnell writes.

As of Monday, the park has welcomed about 9,000 guests to the jellyfish experience since it opened, said SeaWorld San Diego ...

Most of the jellyfish that were spotted along the Catalan coast are relatively harmless species, including the fried egg (Cotylorhiza tuberculata) and barrel (Rhizotoma pulmo) jellyfish.