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

Research by Rebecca Asch, a recent graduate of Scripps Institution of Oceanography at UC San Diego, shows a strong correlation between warmer ocean temperatures and changes in the timing of fish ...

All-female species have been long thought of as evolutionary dead ends – but one fish has defied the odds to live without ...

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 ...

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 ...

A new study points to yet another human factor that is hampering the ability of fish to reproduce: the timing of our fishing seasons. The study considers how the timing of fishing efforts might ...

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 ...

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

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 ...

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 ...