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Global Warming – The primary factor of jellyfish migration
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In Kokonogi, Japan, fishers discovered a blood-orange blob as large as a small refrigerator surfacing from the dark waters, its deadly tentacles caught in a fishing net. In just minutes, hundreds of jellyfish were pulled up.
The fishermen leaned into the nets, grumbling as they threw the jellyfishes back into the sea. These giant jellyfishes weighed up to 450 pounds. What’s worse is that the livelihood of these fishermen is at risk due to the unexpected presence of these creatures.
As indicated by the United States National Science Foundation, the venom of the Nomura, the world’s biggest jellyfish, can spoil a whole day’s catch by fouling or killing fish caught with them. These gelatinous sea creatures are held responsible for ruining fishing industries in the Black and Bering seas, compelling the shutdown of coastal power plants in Japan, Africa, the Middle East, and terrorizing coastal communities worldwide.
In the year of 2007, a salmon farm in Northern Ireland lost more than 100,000 fish to an assault by the mauve stinger, another species of jellyfish normally known for stinging bathers in warm Mediterranean waters. Scientists stated that its relocation to colder Irish seas is caused by global warming.
Last year, the foundation study mentioned research approximating an annual count of 500,000 people stung sometimes numerous times in Chesapeake Bay on the United States East Coast. And in the Philippines, 20 to 40 pass away every year due to jellyfish stings.
Off China, for example, the increase of polluted waters increase growth of the microscopic plankton that jellyfishes feed upon. On the other side of the food chain, overfishing has eliminated many known predators and cut down other competitors for plankton feed.
Other adverse effect that involves global warming for sea creatures is coral bleaching. With the combination of other forms of pollutants other species may be at risk as this environmental issue causes more domino effect.
Watch a video of the giant jellyfish:
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