For 162 million years, sturgeons have fended off everything they’ve faced. Now scientists are racing to save these living ...

Since the time of the dinosaurs, about 70 million years ago, sturgeons have remained essentially unchanged — large, impressive fish that can live to be 100. But the longevity of the sturgeon in the ...

MIGRATION: Kootenai River white sturgeon have historically migrated freely in the Kootenai River, but their upstream migration to spawn has been virtually halted by the effects of Libby Dam. BREEDING: ...

the species has made somewhat of a comeback. Tighter fishing regulations in the Great Lakes has helped, with annual harvest limits strictly enforced. Wisconsin’s Lake Winnebago river system ...

Starting with clean water itself, each type of species has different tolerances when it comes to water quality. For example, ...