In Slovenia’s Lake Cerknica, a seasonal spectacle plays out twice a year. As the waters retreat in spring and fall, fish are left gasping in shrinking pools, their gills flaring in search of oxygen ...

Freshwater trout migrations typically span just a few hundred yards and tens of miles. They’re not covering the distance that their anadromous relatives do, but they, too, will seek out new water for ...

As life on earth evolved, billions of creatures made the move from primordial ooze to life on land. For most, that eons-long transformation was a one-way trip. With the exception of amphibians—which ...

Groups of fish give a schooling to solitary travelers--they expend 79 percent less energy. By Laura Baisas Published Jun 6, 2024 2:00 PM EDT Deposit Photos Get the Popular Science daily newsletter💡 ...

, spotted, and even some smallmouth bass become susceptible to these chunks of metal as fish move offshore and look for a reprieve in cooler, deeper waters. Here, schools of bass will group up on ...

A new study has found a decline in the abundance of marine fish species that move rapidly toward the poles to escape rising sea temperatures. The researchers explain that many animal species are ...