Articles on Fish

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Exposure to omega-3 fatty acids during a child’s early years may play a role in reducing breast cancer risk later in life. (Shutterstock)

How fish may reduce your child’s breast cancer risk

New research suggests omega-3s from seafood to be more effective at reducing breast cancer risk than those from plant-based sources.
Boat noise can interfere with the underwater communication of fishes and other marine animals. Unsplash

The fishy problem of underwater noise pollution

The noise from motor boats, sonar and other industrial activity interferes with the underwater chatter of fishes.
The Amazon rainforest is fed by a rich network of creeks, streams and rivers. Informal road construction is now endangering this critical ecosystem. Rickey Rogers/Reuters

Amazonian dirt roads are choking Brazil’s tropical streams

Thousands of dirt roads crisscross the Brazilian Amazon, serving ranchers, loggers and miners. The area's fragile waterways — and the spectacular fish that live in them — pay a high price.
A large female Greenland shark observed near the community of Arctic Bay, Nunavut. (Brynn Devine)

Caught on camera: Ancient Greenland sharks

Using baited cameras scientists have captured some of the first underwater video footage of the elusive Greenland shark.
Villagers enjoying the evening fishing in Kavieng, Papua New Guinea. (Colette Wabnitz)

Less money, more problems – trying to get fisheries right

Sustainable fisheries tick all the boxes. They can fill your belly and your wallet, and generate less CO2 than conventional agriculture. So why is some integral funding for marine fisheries falling?
There are multiple opportunities to detect tapeworm cysts and larvae before the sushi makes it to our plate. Epicurrence

Should raw sushi-eaters be worried about tapeworms?

No, it's extremely rare to contract a parasitic infection from eating sushi or sashimi in Australia.
Sockeye salmon need strong hearts to migrate long distances. An oil spill could hurt their survival. (AP Photo/Gary Stewart, File)

The Kinder Morgan pipeline and Pacific salmon: Red fish, black gold

Pacific salmon are ingrained in the culture and economy of Canada. They are also a key link between ocean and land. But what happens if a pipeline failure contaminates their habitat?
Pacific seabirds, such as this Great Blue Heron, can accumulate mercury in their bodies from the fish they eat. (Flickr)

Mercury decline in seabirds due to diet, not emissions controls

Mercury levels in seabirds living off the coast of British Columbia have been stable in recent years. New research suggests that this may be due to changes in their diet, not pollution control.

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