Meet the freshwater fish that will attack anything that moves – including crocodiles and humans. It’s no wonder that their ...

Freshwater streams, ponds and lakes across the United States are becoming saltier, and new research from the University of Missouri shows the damage ...

Road salt becomes much more deadly to freshwater snails when predator stress is present, raising mortality rates.

This video examines five freshwater fish species with the physical ability to seriously injure or kill humans. Each segment highlights specific moments showing their size, speed, jaws, or hunting ...

Climate change is rapidly altering freshwater ecosystems — raising temperatures, altering flood pulses and oxygen levels — and driving complex, region-specific changes in how fish grow, migrate and ...

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 ...