Nearly 40 years ago, the species was the first fish in Canada to be assessed as endangered by the Committee on the Status of Endangered Wildlife. The whitefish faces several threats including warming waters and invasive smallmouth bass and chain pickerel introduced into the watershed.
What killed these giant fish?
Nikolaus Gantner is searching for clues in 12 mysterious deaths along British Columbia’s Nechako River. It’s not your usual whodunnit. The dead are white sturgeon, North America’s largest and longest-living freshwater fish. The species has been around for more than 200 million years, sharing the planet eons ago with dinosaurs.