See more of our trusted coverage when you search. Prefer Newsweek on Google to see more of our trusted coverage when you search. Seventy percent of salmon at the fish counter grow up in underwater ...

Two young coho salmon swim from freshwater to saltwater for the first time. One was born in the wild; the other was born in a hatchery and released into the same river. The wild-born salmon is more ...

Salmon born in captivity become domesticated in as little as one generation, a new study finds, explaining why hatchery-born fish don't do as well as wild-born ones in Oregon rivers. Subscribe to read ...

A new study shows that cichlid fish reared in larger social groups from birth display a greater and more extensive range of social interactions, which continues into the later life of the fish.

A group of wildlife biologists recently made a rare discovery after finding a fish thousands of miles away from where it was spawned. The Aquatic Invasive Species Crew from the Kansas Department of ...

Salmon born in captivity become domesticated in as little as one generation, a new study finds, explaining why hatchery-born fish don't do as well as wild-born ones in Oregon rivers. Subscribe to read ...

SeaWorld Orlando announced the birth of three critically endangered fishes, marking the second time it has ever been done. John Raoux AP For only the second time, a critically endangered fish has been ...

A new study shows that cichlid fish reared in larger social groups from birth display a greater and more extensive range of social interactions, which continues into the later life of the fish.