Guppies are among the easiest freshwater fish to keep in an aquarium. You should get at least three and keep them in a tank that holds at least 1 gallon of water for every guppy.

DICKINSON, N.D. (AP) - A woman fishing in Patterson Lake near here thought she caught a "nice-sized bluegill," until she and her husband saw the fish's big teeth.

In a new book, "Chasing Giants: In Search of the World's Largest Freshwater Fish," Hogan and I tell the troubling story of the 30 or so fish species that live exclusively in rivers and lakes and ...

MYSTIC >> A lot of strange things happen beneath the waves, as you’ll find out in Mystic Aquarium’s new exhibit “Weird & Wonderful,” opening this Memorial Day weekend. The new exhibit ...

Because its freshwater habitat is easily disturbed—by a big storm, for instance—the fish often crawl up waterfalls to return upstream. But how this odd creature evolved to trek vertical ...

The best fish tanks and aquarium accessories in 2023. Best fish tank overall: Aqueon LED 20 Aquarium Kit - See at Chewy The Aqueon LED 20 Aquarium Kit comes with everything you need to start a new ...

The world’s largest recorded freshwater fish, a giant stingray, has been caught in the Mekong River in Cambodia, according to scientists from the Southeast Asian nation and the United States.

Top freshwater fish tank for the money. Tetra LED Cube Shaped 3 Gallon Aquarium with Pedestal Base . What you need to know: This stylish 3-gallon aquarium is great for those who don’t have much ...

Muskies, the undisputed kings of freshwater gamefish, are sharp-dressed critters. So are their close cousins, the northern pike. But mix them together, and you get a fish as handsome as it is fun ...