Related topics: fish

Climate change is increasing frequency of fish mass die-offs

As the planet's climate has gotten warmer, so has the prevalence of fish die-offs, or mass mortality events. These die-offs can have severe impacts on the function of ecosystems, imperil existing fish populations and reduce ...

Prehistoric fish may be poised for a comeback

Researchers studying lake sturgeon in Northwest Georgia's Coosa River have found evidence that the fish may be reproducing for the first time since they were wiped out in the 1970s.

Wildfires spread, fish die off amid severe drought in Europe

Firefighters from across Europe struggled Thursday to contain a huge wildfire in France that has swept through a large swath of pine forest, while Germans and Poles faced a mass fish die-off in a river flowing between their ...

Effective laws needed to protect large carnivores from extinction

Effective national and international laws are needed to reverse the decline of populations of large carnivores—such as tigers, wolves, and eagles—and reduce their risk of extinction, reports a paper published in Scientific ...

What guppy guts can teach us about evolution

On the list of scientific tools that help us understand health, evolution or the environment, the Trinidadian guppy doesn't often come to mind.

Pets or threats? Goldfish might be harmful to biodiversity

Invasive species are one of the leading causes of global biodiversity loss, and the pet trade is responsible for a third of all aquatic invasive species. Pet owners releasing unwanted pets into the wild is a major problem. ...

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