Deep below the surface of a river in northern Brazil, a “shy” creature tucked its “armored” body into a rocky crevice. Divers ...

For a small fish only found in the San Francisco Estuary, the delta smelt has caused a lot of controversy over the years.

A bill that would lift the protected status of Wyoming otters was expanded and advanced Tuesday by a state Senate committee.

There are only 10 or less of this little porpoise species left in the world. What can be done to save the vaquita?

From the column: "As a former fishing guide, I dealt with lots of people who might only fish a time or two a year and that ...

Feeling that tug on the line, an angler sets the hook and reels in a small sunfish, then asks the perennial question: Should I keep it? Sunfish, also known as bluegills and pumpkinseeds, are a go-to ...

For 61 years the Darwin Rod and Gun Club has continued a tradition of serving up baskets of a small species of fish with a ...

That is pure fiction.’ Los Angeles takes most of its water not from the delta but from the Owens Valley (Payahuunadü, the ...

Great Lakes tribes and state biologists are working together to reintroduce Arctic grayling to northern Michigan's waterways ...

An American crodocile, certainly a female, has likely been around Sanibel island, Florida for several years. Another arrived ...

Anticipating a lack of federal funding under the new presidential administration, Illinois has postponed construction in a ...

Bottom dwellers are one of the most fascinating fish categories. As their name suggests, they typically live on river or ...