Jellyfish Swarm Shuts Down Nuclear Reactor

Written by on October 2, 2013 in Jellyfish, Marine Life

Daily Summary

Revolutionary trawl unveiled in New Zealand
A new fishing trawl was recently revealed by scientists and three fishing companies in New Zealand. The breakthrough design is described as “revolutionary” because it allows fishing vessels to target specific species and fish sizes, which greatly increases protection for small fish and non-target species. Three companies have been actively trialing the new trawl for the last six months and reported that the fish are in excellent condition when they reach the surface.


Jellyfish. Photo credit: Ferrous Femur via photopin cc.

Wave of jellyfish clogs up Swedish nuclear reactor, shuts it down
A massive swarm of jellyfish forced the Oskarshamn nuclear plant in southeastern Sweden to shut down. The Oskarshamn nuclear plant is one of the world’s largest nuclear reactors. On Sunday, jellyfish clogged the pipes that bring cool water to the plant’s turbines. The need for a constant flow of cool water is the reason why most plants are built near large bodies of water. Jellyfish invading these pipes isn’t uncommon and scientists believe it could happen more often in the future as waters warm. The pipes were cleared of jellyfish yesterday and engineers were preparing to restart the reactor.

Great white sharks munch on whale
Passengers enjoying a boat tour on the Santa Barbara Channel in California happened upon an incredible scene. They spotted a dead minke whale being eaten by several sharks, including three great whites. Researchers only recently learned that great whites are “strategic and selective” scavengers. To learn more about that study, check out this video: White sharks scavenging on whales. Below you can see the sharks feasting in CA.

Copyright © 2013 by Marine Science Today, a publication of Marine Science Today LLC.

About the Author

About the Author: Emily Tripp is the Publisher and Editor of She holds marine science and biology degrees from the University of Miami's Rosenstiel School of Marine and Atmospheric Science and a Master of Advanced Studies degree in Marine Biodiversity and Conservation from Scripps Institution of Oceanography. When she's not writing about marine science, she's probably running around outside or playing with her dog. .


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