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, ...

WASHINGTON — An all-female freshwater fish species called the Amazon molly that inhabits rivers and creeks along the Texas-Mexico border is living proof that sexual reproduction may be vastly ...

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

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 ...

In this segment of “North Dakota Outdoors,” host Mike Anderson takes us to Lake Sakakawea during this year’s fall fish reproduction survey. Fisheries supervisor Russ Kinzler says this year’s fall fish ...

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 ...

PENYABANGAN, Indonesia — It took a broken air conditioner for Tom Bowling to figure out — after nearly eight months of failure — how to breed the coveted pink-yellow tropical fish known as blotched ...

A DNA probing technique clarifies the mechanism behind clonal reproduction of female dojo loach fish, also providing insight into the ancestral origin of the clonal population. A DNA probing technique ...

Forbes contributors publish independent expert analyses and insights. I cover the living world, from microbes to ecosystems. The world gets more light polluted each year. We already know sea turtles ...

Seasonal hypoxia, when dissolved oxygen concentrations in water drop below 2 milligrams per liter, is a normal summer occurrence in estuaries. Over the past 20 years, however, pollution has increased ...

Climate change may be depriving juvenile fish of their most crucial early food source by throwing off the synchronization of when microscopic plants known as phytoplankton bloom and when fish hatch, ...