The roughskin dogfish, scientifically known as Centroscymnus owstonii, is not a freshwater species. This shark is primarily ...

Now they've managed to transform a boyhood passion into an unusual profession. Freshwater animals are under siege all over the planet, and the species-rich Southeast is no exception. At their ...

Looking to add some diversity to your fish tank? Turn your attention to freshwater crustaceans. Not only are these ...

Freshwater mussels are some of the planet's most fascinating and underappreciated animals. With their beautifully colorful shells, diversity of shapes and interesting adornments — including ridges, ...

Once found in tropical oceans around the world, the largetooth sawfish’s range has shrunk by an estimated 60 percent in a ...

The Center and its allies petitioned for protection of all five species in 2010. “Freshwater animals are at the forefront of the extinction crisis in the United States and the Endangered Species Act ...

Freshwater mussels, also known as clams, are unique animals. Mussels have two hard, external shells and soft tissue inside. They also have only one foot! The movement of mussels is limited. Most ...

Lots of marine lineages invaded freshwater." Dr Nick Longrich Bones and teeth of small plesiosaurs were discovered in an ancient river system in the Sahara Desert While marine animals like whales ...