Betta fish are one of the most popular aquarium fish in the world. Here is what to know about bettas, including how long they ...

These freshwater fish are often kept as pets and are relatively easy to care for. And when given proper care, betta fish can live for a while. But what is the average lifespan of a betta fish? Here is ...

The giant freshwater stingray may be the world ... where their more commonly known relatives live. These ancient fish, little changed over many millions of years, can reach 16.5 feet long ...

It’s an extraordinary fact: 51% of all known species of fish live in freshwater - 18,075 species. And more are being discovered all the time. But few people have any idea of the unimaginable diversity ...

America's freshwater rivers and lakes are losing their secret weapon: freshwater mussels. As an invaluable part of nature’s ...

Genetic testing reveals that Iliamna Lake harbor seals differ from ocean harbor seals, and a fuller picture of their uniqueness is emerging.

A report has warned of a "catastrophic" decline in freshwater fish, with nearly a third threatened by extinction. Conservation groups said 80 species were known to have gone extinct, 16 in the ...

Arapaima are the largest freshwater fish in South America—and a keystone species in the Amazon River ecosystem.

You may be surprised that the largest, freshwater fish in North America may be swimming in the Mississippi River under the I-20/Hwy. 80 bridges at Vicksburg as you are reading this. The Alligator Gar ...

The Education Store – Freshwater Prawn Farmed Fish Fact Sheet. Walleye Farmed Fish Fact Sheet, The Education Store, Purdue Extension’s resource center Pacific White Shrimp Farmed Fact Sheet, The ...

Threats like habitat loss and fragmentation, pollution, and unsustainable water use are pushing rivers, lakes, and wetlands ...

Certain fish and the Bermuda Triangle are linked in an underwater enigma that defied explanation for years, but recent ...