Choosing the best tropical fish for your freshwater aquarium can be quite a challenge, especially when you see the amazing variety of species on display at most respectable pet stores. One group ...

Fishkeeping has gained popularity as a calming and relatively low-maintenance hobby. Among the diverse choices, the Archer ...

For beginners, Jeffers recommends a 5-gallon freshwater tank, which can often hold one betta fish, for example. For someone ...

They've been splashing around streams and keeping aquariums since they ... 700 of the approximately 1,000 species and subspecies of U.S. freshwater fish. Like most freshwater fish, those of ...

The giant freshwater ... species. The giant freshwater stingray is classified as endangered, and there are indications that stingray numbers have dropped dramatically in recent years as the fish ...

Scientists have discovered the fossilized remains of a new fish species called Ferruaspis brocksi, which lived 15 million ...

Other mussels can jump up and clamp onto a fish’s face to expel their larvae onto its gills. • Worldwide there are 890 known freshwater mussel species, and 302 of those live in North America.

In an Australian first, researchers have described a new species of 15-million-year-old fossilized freshwater fish, ...

Discovered in the McGraths Flat fossil site in New South Wales, Australia, the new fossil is a freshwater smelt belonging to the order Osmerifiromes, the first of its kind to be found in Australia.

Soon after our agreement, the Service protected five southeastern fish species and was moving forward on protection decisions for no fewer than 374 Southeast freshwater species in 12 states, from ...