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, ...

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 ...

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

The process of vitellogenesis is fundamental to fish reproduction, involving the synthesis of vitellogenin (VTG) in the liver, its release into circulation and the subsequent uptake by developing ...

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 ...

Recently hatched whitefish, no bigger than a grain of wild rice, are being raised in a tank. The Little Traverse Bay Bands of Odawa Indian's hatchery is raising whitefish in an effort to see if ...

In this week's “North Dakota Outdoors” webcast, host Mike Anderson visits with fisheries management section leader Scott Gangl to talk about statewide fall fish reproduction surveys on North Dakota ...

Water temperature plays a vital role in the behavior and survival of fish. Being cold-blooded, fish rely on external temperatures to regulate metabolism and activity. Even small changes in temperature ...

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 – ...

A Great Lakes News Collaborative series investigating the region’s water pollution challenges. This series explores the Clean Water Act’s shortcomings in the Great Lakes, and how the region can more ...