There are lots of bacteria in your fish tank. And, for the most part, this bacteria goes a long way in stabilizing water parameters and ensuring your underwater environment thrives. Unfortunately, ...

A huge Mola Mola fish, also known as an ocean sunfish, found itself stranded near the Florida coast. What's a very large and ...

Their streamlined torpedo shape helps them gather enough underwater speed to break the surface, and their large, wing-like pectoral fins get them airborne. Flying fish are thought to have evolved ...

Making up for the world's disappointment that there wasn't a prehistoric creature living in a Scottish loch was the South African discovery of a strange, steel blue fish with limb-like fins. The fish ...

Nearly a century after its disappearance, the Arctic grayling will return to the state when the Michigan DNR releases its eggs into a trio of streams in the Lower Peninsula.