Chinese cuisine has adapted to a new food resource that became a persistent problem in China's aquatic ecosystems: crayfish.

Flowing through sandstone bluffs, cottonwood bottoms, and wide floodplains, the Red River of the South winds hundreds of ...

It’s crayfish season in Louisiana, but the Pacific Northwest is receiving all the crayfish spotlight. Researchers recently discovered two new species of the crustaceans: the Okanagan crayfish and the ...

Colorado Parks and Wildlife is proposing a regulation that the agency hopes will let the state have water bodies free of a nonnative crayfish while letting residents eat the creature, too. The agency ...

Study reveals an invasive fish has become the top predator of the Susquehanna in just over two decades. Here's why.

While flathead catfish are native to western Pennsylvania, the first report of the species in the Delaware River basin further east was from Blue Marsh Reservoir and in the Susquehanna during the ...

Scientists at the Smithsonian Environmental Research Center in Maryland started investigating otter waste after finding odd droppings at a waterfront dock. Motion-activated cameras showed otters were ...