Deep Dive: Plesiosaurios vivos (2025)
Film Lens

The documentary 'Plesiosaurios vivos' focuses on the 1922 expedition led by Clemente Onelli, the director of the Buenos Aires Zoo, to find a live plesiosaur in Patagonia. It draws connections between historical accounts of aquatic monsters like Nessie and Nahuelito, presenting a narrative that intertwines cryptozoology with early 20th-century exploration.
Set against the backdrop of Patagonia, the film examines the cultural significance of lake monsters in Argentina and Scotland. It provides a detailed account of the expedition's objectives and methods, as well as the scientific and mythical implications of searching for such creatures in the lakes of South America.
Why Watch
- •Follow Clemente Onelli's 1922 expedition in Patagonia.
- •Meet the legendary lake monsters of Argentina and Scotland.
- •Find out about the history of cryptozoology in the 1920s.
Did You Know
•Clemente Onelli organized the plesiosaur expedition in 1922.
•The documentary references Nessie, a famous lake monster from Scotland.
•Nahuelito is another lake monster mentioned, believed to inhabit a lake in Argentina.
•The film has a total duration of 95 minutes.
Perfect For
Cryptozoology enthusiastsLake monster lore1920s exploration