Cod used to be giants. With their impressive size—over a meter in length and weighing up to 40 kilograms—and abundance, they, ...

A new study that looked at gut length variation between cichlid fish species found that some of the genetic loci for the ...

Eastern Baltic cod grow to much smaller sizes than they did just 30 years ago, because overfishing altered their genes, ...

Decades of overfishing have altered the genetic makeup of Baltic cod, shrinking their size and threatening their recovery.

University of Exeter. (2015, May 12). Mining pollution alters fish genetics in southwest England. ScienceDaily. Retrieved June 2, 2025 from www.sciencedaily.com / releases / 2015 / 05 ...

Roman salting plants processed fish so thoroughly that researchers struggle to identify the species once used in ancient ...

Scientists show the extraordinary diversity of cichlid fish in Africa’s Lake Victoria was made possible by ‘genetic recycling’ - repeated cycles of new species appearing and rapidly adapting ...

Mexican cave fish are known for their binge-eating habits, a result of evolutionary changes that have allowed them to adapt to an environment where food is scarce. Mexican cave fish are known for ...

Steelhead trout bred in hatcheries show marked genetic differences from wild fish after just a single generation, according to a new study with potentially far-reaching implications for fish run ...

Stocking continued through 2013, and as Fetherman and other scientists collected genetic data, they realized the fish had spawned with the wild Gunnison River rainbow trout initially in the river.

How do fish swim in schools, effortlessly coordinating their every move? The answer appears to be ingrained in their genes. The genetic basis underlying the complex, social behavior of schooling ...