BISMARCK — North Dakota Game and Fish fisheries biologists spend a lot of time in fall surveying district lakes and the Missouri River System in North Dakota looking for natural fish reproduction, ...

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

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 ...

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 ...

SOUTH LAKE TAHOE, Calif. – On Nov. 3, 2023, the U.S. Forestry Service temporarily interrupted the water flow to Taylor Creek from the Fallen Leaf Lake dam for three days. This raised concern from ...

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 ...

Striped bass reproduction in the Hudson River has now fallen short for the third year in a row, a troubling trend that state officials say could lead to fewer catchable fish in the years ahead. The ...

As a prairie kid in the 1980s, the image of a Game and Fish distribution truck backing up to a favorite small slough or reservoir and stocking fingerlings spawned day dreams of fishing memories. And I ...

From the coastline to freshwater streams, people living in Amazonia say industrial fishing, deforestation, hydroelectric dams and climate change have reduced fish populations. Industrial fishing is ...

Ranging in size from about 2 to 6 inches, the killifish are ideal for evolutionary studies because they are highly adaptable to their surroundings. Some types of killifish are even known to be ...