A disturbing video has emerged of what have been described as "zombie salmon" swimming at a fish farm in Scotland, sparking an investigation. The underwater footage taken by Don Staniford—an ...

Biologists are on a quest to find a “zombie fish” in Colorado. The Yellowfin cutthroat trout was a fish that once grew up to 12 pounds and fed on other fish. But more than 120 years ago, it ...