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, ...

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 ...

Artificial reproduction in fish species encompasses a suite of techniques designed to overcome the limitations of natural spawning. By harnessing hormonal stimulation, controlled environmental ...

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 ...

The law of unintended consequences gained new appreciation today when a five-year international study was published in the Journal of Animal Ecology detailing how long-term exposure to pharmaceutical ...

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 ...

Percid fish, including species such as Eurasian perch and pikeperch, are increasingly of interest due to their ecological importance and commercial potential in aquaculture. Domestication efforts have ...

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 ...

A new study examining fishes’ reactions to heat at different stages of their life process has revealed that warming waters could impede reproduction in up to 60% of species. Saltwater and freshwater ...

A consistent metabolic ratio found across 133 Chinese marine and freshwater fish species provides new evidence in support of the idea that fish become sexually active – and spawn for the first time – ...

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 ...