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.
Using baited cameras scientists have captured some of the first underwater video footage of the elusive Greenland shark.
Artisanal fishers in Sri Lanka are throwing away more marine species than they keep.
Much of the world's ocean is teeming with 'cryptic' fish species, which are small and hard to spot. But a new technique shines a light on these fish, which may in turn help to keep our seas healthy.
Many living vertebrates have the ability to detect electric fields, especially in other animals when hunting. But what can the fossil record tell us about the origins of this sensory system?
Little skates that 'walk' across the ocean floor show how fish brains evolved to pave the way for working legs.
The Mariana snailfish lives nearly 27,000 feet underwater, but has features that help it adapt to intense water pressure and cold. Physiological limits may prevent fish from surviving in deeper water.
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?
No, it's extremely rare to contract a parasitic infection from eating sushi or sashimi in Australia.
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?
An expert reviews the research for and against the use of electric pulse trawlers.
The ocean is getting warmer and more acidic but changing our diet could help us cope.
Australians love canned tuna. Here's our handy guide to finding the most sustainable options for you (and your cat).
The sea remains the least explored habitat on our blue planet.
There's plenty of evidence that even fish have feelings.
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.
From donuts to avocados, food impacts your heart health. Here we delve into the science of how to eat -- to reduce your chances of cardiovascular disease.
Reef Life Survey, a citizen science project where hundreds of volunteer scuba divers survey thousands of ocean sites, has revealed new insights into marine mysteries.
It really should be consumed at least twice a week.
A study of middle-aged British women shows that omega-3 has beneficial effects on gut health.