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Ecology and Biodiversity
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Image of the Day: Most Bizarre Fish You've Ever Seen? | Climate Central

Image of the Day: Most Bizarre Fish You've Ever Seen? | Climate Central | Ecology | Scoop.it

 A diver swims with a huge ocean sunfish, or Mola mola, off the coast of San Diego. They are the largest of the bony fish and often get mistaken for sharks due to their dorsal fins. They feed on jellyfish and plankton and are curious of humans, as seen in the photo. One threat to molas is drift nets, which they often get caught in, and garbage such as plastic bags that they mistake for jellyfish, their favorite food.

Climate change is also a threat as it is to all sea life. According to the Center for Ocean Solutions, some ocean areas have acidified to levels known to cause harm to ocean life. Also decreasing pH levels from CO2 acidosis are responsible for shifting the ecological balance of plankton and other bottom dwelling species. “Many Pacific Ocean areas may become uninhabitable due to sea level rise, coastal inundation, shifting rainfall, collapse of fresh water supplies, or changes in the migration patterns of food species,” says the Center for Ocean Solutions.

Credit: Daniel Botelho/Barcroft Media

 

 

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Ready to eat: the first GM fish for the dinner table

Ready to eat: the first GM fish for the dinner table | Ecology | Scoop.it

A GM salmon which grows twice as fast as ordinary fish could become the first genetically-modified animal in the world to be declared officially safe to eat, after America's powerful food-safety watchdog ruled it posed no major health or environmental risks.

 

The US Food and Drug Administration (FDA) said it could not find any valid scientific reasons to ban the production of GM Atlantic salmon engineered with extra genes from two other fish species – a decision that could soon lead to its commercial production.

 

The verdict clears one of the last remaining hurdles for GM salmon to be lawfully sold and eaten in the US and will put pressure on salmon producers in Britain and Europe to follow suit.

Athena Drakou's insight:

Supporters of the technology believe the GM salmon will make it not only easier and cheaper to produce farmed salmon, but that it could also be better for the environment because they can be grown on land-based fish farms.

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