For centuries, eels have appeared in myths, on plates, and in human imagination while holding on to one enduring secret: how do they reproduce? Ancient Egyptians thought the sun shining on the Nile ...

In this week’s segment of North Dakota Outdoors, Mike Anderson takes us to Lake Sakakawea where fisheries biologists are conducting their annual fish reproduction surveys.

Prozac entering waterways is changing how fish behave and reproduce, study says - Prolonged exposure may change fish’s ability to adapt to environmental challenges and threaten their survival ...

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 ...

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 ...

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 ...

What role do fish hatcheries play in Iowa, and how do they work? That’s what one curious Iowan wanted to know.

Management of many of the largest fisheries in the world assumes incorrectly that many small fish reproduce as well as fewer large ones with similar total masses, a new analysis has found. That ...