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

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 ...

Some species of fish can evolve their egg-laying habits in response to predators in the area in order to survive, according to new research. Some species of fish can evolve their egg-laying habits in ...

image: An international team of scientists has sequenced the genome of the Amazon molly, a fish that reproduces asexually. The researchers expected that the asexual organism would be at a genetic ...

Ocean acidification caused by higher concentrations of carbon dioxide in the atmosphere dissolving in seawater may benefit some less specialized species of fish by increasing the availability of food.

In the rivers of southern Mexico and Texas, USA, there swims a silvery-scaled fish that seems impossible to exist according ...

Every year in September and October, fisheries biologists for the North Dakota Game and Fish Department conduct fall fish reproduction surveys on lakes and rivers in North Dakota. Game and Fish ...