These are the prettiest freshwater fish, from vibrant brook trout and pumpkinseed sunfish to majestic lake sturgeon. Check out how these species made our list!

When told about a strange, fanged fish that had washed ashore on an Oregon beach, the Seaside Aquarium folks knew what kind of fish it was.

Shutterstock Image A creepy invasive fish species has invaded US waters and the Missouri Department of Conservation has ...

Invasive northern snakeheads can “walk” on land, breathe air and survive out of water for several days, and they also compete with native species in waterways ...

Conservationists are telling anglers to cut the head off a predatory, reptile-looking fish that can breathe air if they find one. The northern snakehead is an invasive fish species with a fitting name ...

Conservationists are telling anglers to cut the head off a predatory, reptile-looking fish that can breathe air if they find one. The northern snakehead is an invasive fish species with a fitting ...