Monster Sturgeon (S01E01)

The prehistoric white sturgeon, reaching lengths of over 12 feet and weighing up to 1300 pounds, is a remarkable freshwater behemoth. Unfortunately, due to human interference, its numbers are dwindling. Cyril and his team set off on a perilous and thrilling quest to aid scientists in safeguarding this species. To locate these colossal fish, they must navigate tumultuous mountain rivers and plunge into icy waters, all while contending with bears, rockslides, frigid temperatures, and treacherous currents.