For the first time in 30 years, the Missouri Department of Conservation has confirmed evidence that the state-endangered lake sturgeon is reproducing in the wild. Sam Hardy and Kristin Biagioli ...

Plastic pollution in freshwater is increasing, leading to micro- and nanoplastic buildup. A study found these particles and their surface charge can harm fish reproduction, especially under stress.

As many as 60 percent of the world’s fish species could struggle to breed and reproduce if climate change causes the Earth to warm by 5 degrees Celsius over the next 80 years, the current projection ...