The hybrid freshwater fish actually reproduces exclusively female clones, doing so for much longer than scientists thought ...

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 ...

Colorado Parks and Wildlife (CPW) has announced that the greenback cutthroat trout is naturally reproducing in the state after more than 10 years of rescue efforts to stop it from going extinct. The ...

ATLANTA — Scientists and students embarking on a census of Georgia lake sturgeon have found three females with mature eggs — an indication the armored “living fossils” may be reproducing in that state ...

A remarkable fish species, the Amazon molly, has defied evolutionary norms by surviving for 100,000 years without males.

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 ...

When an Amazon molly says she doesn't need a man, believe her. Every single one of these small fish, found in freshwater streams in Mexico and Southern Texas, is female, and reproduces exclusively ...

Polar fish experience lower mortality than tropical fish, allowing them to delay reproduction until later in life when they are larger and can produce more eggs, according to a study by Mariana ...

BUFFALO, N.Y. – A University at Buffalo research team will investigate why stocked fish in Lake Ontario are not reproducing. The effort is being funded by New York Sea Grant, which recently announced ...