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 ...

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 ...

Contrary to what is stated in biology textbooks, the growth of fish doesn't slow down when and because they start spawning. In fact, their growth accelerates after they reproduce, according to a new ...

A type of asexual reproduction called parthenogenesis, in which an unfertilized egg develops into an embryo, has been observed among some species of birds, sharks, and reptiles in captivity. A report ...

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 ...

Scientists have uncovered the secret of the Amazon molly, an all-female fish species that has survived for 100,000 years through cloning, defying long-held evolutionary theories.