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“LIVING PLESIOSAURS” a documentary by Magrio González and Iris Serrano

“LIVING PLESIOSAURS” a documentary by Magrio González and Iris Serrano

17th Jun 2025

In 2023, Argentine filmmakers Magrio González and Iris Serrano visited The Loch Ness Centre as part of their honeymoon—and to follow a lifelong fascination with Nessie. Their journey became Living Plesiosaurs, a documentary connecting the legend of the Loch Ness Monster with similar stories from their home country, including the mysterious Nahuelito of Patagonia. What started as a personal project soon uncovered forgotten expeditions, passionate researchers, and the enduring power of myth to inspire curiosity, science, and storytelling.

Read the blog below to learn more—and don’t forget to watch the trailer!

“LIVING PLESIOSAURS” a documentary by Magrio González and Iris Serrano at The Loch Ness Centre

by Magrio González and Iris Serrano

Beginning with the stories of strange aquatic monsters, such as Nessie in Scotland and Nahuelito in Argentina, the documentary focuses on an expedition organized by Clemente Onelli, director of the Buenos Aires Zoo in 1922, to catch a plesiosaur alive in Patagonia.

Watch the Trailer

“LIVING PLESIOSAURS” a documentary by Magrio González and Iris Serrano outside The Loch Ness Centre
“LIVING PLESIOSAURS” a documentary by Magrio González and Iris Serrano at Urquhart Castle looking at Loch Ness

We are Magrio González and Iris Serrano. We grew up in Argentina (South America) in the early 1990s surrounded by science magazines and television documentaries about amazing topics. Long before we met, we were both amazed by the story of the Loch Ness Monster.

We’ve lived together for over 15 years and always had that childhood dream of traveling to Loch Ness. The best way we found to fulfill that dream was by making a documentary about Nessie, Nahuelito (a similar monster that lives in Lake Nahuel Huapi in Argentina), and about the possibility that an living plesiosaur existed.

This documentary began as a personal project that grew as we met historians, researchers, palaeontologists, cryptozoologists, and journalists while we discovered exciting stories about other similar monsters.

In 2023, we got married and went to Loch Ness on our honeymoon. The staff at The Loch Ness Centre were very kind to us, opening the doors to this incredible place filled with stories. We were able to film, conduct interviews, and navigate the loch on the Deepscan vessel. We also interviewed Alan McKenna of Loch Ness Exploration.

We do not seek to refute neither to confirm the existence of these creatures but rather to show the people and stories that surround these legends.

We are much more interested in humans than monsters. We also try to point out fantasy as a driving force of science. Cinema, literature, music and myths as an impulse or excuse to generate interest in biology and nature.

The documentary premieres at the Buenos Aires Independent Film Festival (Argentina) on April 7. Our next dream is to screen it in Inverness or Drumnadrochit someday.

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“LIVING PLESIOSAURS” a documentary by Magrio González and Iris Serrano in Adrian Shine's room at The Loch Ness Centre
“LIVING PLESIOSAURS” a documentary by Magrio González and Iris Serrano on Deepscan Cruise

Go on a tour and hear the stories first-hand. Or if you’re thinking about making your own documentary, podcast, study, or article, reach out to us at media@lochness.com.

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“LIVING PLESIOSAURS” a documentary by Magrio González and Iris Serrano

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