In this Aug. 7 2017 photo, shows a candy darter in Interior Va. The vibrant rainbow-colored fish that lives in a handful of Appalachian streams has been listed as "endangered" under the Endangered ...

CHAMPAIGN, Ill. -- When they share habitat, orangethroat and rainbow darters tend to avoid one another, even though they are closely related and can produce "hybrid" offspring. The males compete with ...

Several species of darters of the genus Etheostoma possess a chemical alarm substance, but it is not known how widespread this substance is within the genus. We performed behavioral bioassays on ...

On April 12, I participated in a fishing trip unlike the usual wet-a-line affair. Anthony Sasson, freshwater conservation manager for the Ohio Chapter of the Nature Conservancy, assembled an epic cast ...

In the Ozarks, the term "spring spawn" usually conjures up visions of fishing for black bass, white bass, crappie or some of the other popular sportfish species. It’s an exciting time for anglers when ...

CHAMPAIGN, Ill. -- Scientists once thought that female mate choice alone accounted for the eye-catching color patterns seen in some male fish. But for orangethroat darters, male-to-male competition is ...

When they share habitat, orangethroat and rainbow darters tend to avoid one another, even though they are closely related and can produce 'hybrid' offspring. A new study offers an analysis of the ...

A rainbow-colored fish that’s considered among the world’s most beautiful in freshwater and found only in picturesque Appalachian streams has been listed as “endangered,” the U.S. Fish and Wildlife ...