Populations of migratory freshwater fish species continue to decline across the globe, risking the food security and livelihoods of millions of people, the survival of countless other species, and the ...

Freshwater browning is stunting fish growth of some species, shrinking populations of others and changing the composition of fish communities, McGill-led research suggests. "Browning" refers to ...

Commercial fishing employs 1.2 million Americans and generates more than $165 billion annually. Yet warming waters are threatening fish populations and disrupting fisheries around the world—a ...

A major new study shows long-term ocean warming is steadily reducing fish populations, putting global food security at risk.

Using the tiny fragments of DNA that animals leave behind as they move through an environment is giving researchers an ever-greater insight into where and how they live. A new study has allowed ...

A new global study reveals an average 81% decline in migratory freshwater fish populations between 1970 and 2020. Habitat loss, degradation and overfishing are the main threats to migratory fish, ...

A U.S. judge blocked a proposed water pipeline through a wilderness area in southwest Montana that was intended to help a rare fish species that's in sharp decline due to habitat loss, warming ...

The use of acoustic monitoring techniques has advanced our understanding of fish populations and behaviour in diverse aquatic environments. By employing high-frequency imaging sonar and acoustic ...