Discover and share stories

of adventure, connection, and change making.

3 people think this is good

  • Alessandra Rizzotti
  • Hillary Newman
  • Stef McDonald

How Jellyfish Shut Down a Swedish Nuclear Reactor

Rodrigo Mejia

The Oskarshamn nuclear plant in southeastern Sweden experienced a rare shutdown when a bloom of moon jellyfish crowded the cool water intake system, obstructing flow and bringing to a halt the world's largest boiling-water reactor. This isn't the first time jellyfish have been responsible for a shutdown, but biologists warn that the problem may become more common as jellyfish occupy environments emptied by overfishing. "The fish leave..and (the moon jelly) can really take over the ecosystem."

Continue to



  1. {{}}

Ready to post! You’ve uploaded the maximum number of images.

Oops! Nice pic, but it’s just not our (file) type. Please try uploading a .jpg or .png image.

Well, this is embarrassing. Something went wrong when posting your comment. Care to try again?

That image is too large. Maximum size is 6MB.

Posting comment...