From birds to crustaceans, numerous animal species migrate each year to find more food, pleasant weather or the perfect place to breed. But at least one species — a freshwater fish called the common ...

Roach fish that migrate between different lakes and water courses have larger pupils and better eyesight than roach fish that stay in one place. The adaptation makes it easier for the red-eyed ...

From birds to crustaceans, numerous animal species migrate each year to find more food, pleasant weather or the perfect place to breed. But at least one species — a freshwater fish called the common ...