Within Italy Cryptids
Did Lake Como Really Have a Monster?
Lake Como's Lariosauro shows how a fossil name, a deep lake and post-war newspaper stories created Italy's clearest lake monster case.
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- The 1946 hunters' story
- Fossil name, modern legend
- Otters, pike and newspaper invention
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Introduction
The Lariosauro of Lake Como is often presented as Italy’s answer to the Loch Ness Monster, a mysterious reptilian creature supposedly lurking in the deep waters of one of Europe’s most famous lakes. Yet the most interesting thing about the Lariosauro is not the evidence for an unknown animal. It is the evidence for a newspaper-created monster.
Unlike many lake-monster traditions that evolved gradually from centuries of folklore, the Lariosauro can be traced with unusual clarity to a burst of post-war press coverage in 1946. A dramatic report, a prehistoric-sounding name, follow-up stories in local newspapers and a handful of later sightings combined to create a legend that has survived for decades. The result is one of Italy’s clearest examples of how journalism, local geography and popular imagination can turn a doubtful sighting into a lasting monster tradition.[massimopolidoro.com]massimopolidoro.comun mostro nel lago di como?7 Jun 2007 — Il mostro, con riferimento al nome del lago di Como (Lario), fu chiamato “lariosauro”, un nome che era stato dato nel XIX s…
The 1946 Hunters’ Story
The modern legend begins on 18 November 1946. A local newspaper, Corriere Comasco, published an account claiming that two hunters had encountered a strange creature near Pian di Spagna, a marshy area at the northern end of Lake Como. The animal was described as large, reptilian and covered with reddish scales. According to the story, it appeared close to shore before disappearing back into the water.[massimopolidoro.com]massimopolidoro.comun mostro nel lago di como?7 Jun 2007 — Il mostro, con riferimento al nome del lago di Como (Lario), fu chiamato “lariosauro”, un nome che era stato dato nel XIX s…
The report arrived at a moment when Italy was emerging from the Second World War and newspapers were eager for attention-grabbing stories. The sighting quickly spread beyond the local area and was repeated in other publications. Within days, additional reports appeared, including claims that the creature had been seen elsewhere around the lake and even suggestions that earlier encounters had occurred.[massimopolidoro.com]massimopolidoro.comun mostro nel lago di como?7 Jun 2007 — Il mostro, con riferimento al nome del lago di Como (Lario), fu chiamato “lariosauro”, un nome che era stato dato nel XIX s…
What makes the Lariosauro unusual among monster legends is that sceptical researchers later examined the newspaper trail itself. Italian investigator Massimo Polidoro argued that the original article reads less like eyewitness testimony and more like a journalistic invention. He noted that follow-up stories also appear to have been created by newspapers rather than emerging from independently documented witnesses. According to this interpretation, the monster was effectively born in print.[massimopolidoro.com]massimopolidoro.comun mostro nel lago di como?7 Jun 2007 — Il mostro, con riferimento al nome del lago di Como (Lario), fu chiamato “lariosauro”, un nome che era stato dato nel XIX s…
The story became so popular that newspapers soon began offering explanations for the creature. One article suggested that the “monster” might actually have been a sturgeon. Researchers later pointed out that this explanation appears to have been as unsubstantiated as the original monster report.[massimopolidoro.com]massimopolidoro.comun mostro nel lago di como?7 Jun 2007 — Il mostro, con riferimento al nome del lago di Como (Lario), fu chiamato “lariosauro”, un nome che era stato dato nel XIX s…
Fossil Name, Modern Legend
The choice of name was crucial to the monster’s success.
“Lariosauro” comes from “Lario”, an older name for Lake Como, combined with the name of a genuine prehistoric reptile called Lariosaurus. Fossils of this Triassic marine reptile were discovered in the region during the nineteenth century, giving the area a real palaeontological connection.[massimopolidoro.com]massimopolidoro.comun mostro nel lago di como?7 Jun 2007 — Il mostro, con riferimento al nome del lago di Como (Lario), fu chiamato “lariosauro”, un nome che era stato dato nel XIX s…
This fossil connection gave the legend a veneer of scientific plausibility. Readers could easily imagine that a descendant of an ancient reptile might somehow have survived in the lake. The idea echoed a pattern already familiar from other lake-monster traditions around the world, where prehistoric imagery helps transform ordinary sightings into stories of living relics.[massimopolidoro.com]massimopolidoro.comun mostro nel lago di como?7 Jun 2007 — Il mostro, con riferimento al nome del lago di Como (Lario), fu chiamato “lariosauro”, un nome che era stato dato nel XIX s…
In reality, the fossil animal and the monster have almost nothing in common beyond the name. Lariosaurus lived roughly 240 million years ago in a marine environment that existed long before Lake Como itself formed. The legendary Lariosauro is a twentieth-century creature of newspapers, tourism and local storytelling.[massimopolidoro.com]massimopolidoro.comun mostro nel lago di como?7 Jun 2007 — Il mostro, con riferimento al nome del lago di Como (Lario), fu chiamato “lariosauro”, un nome che era stato dato nel XIX s…
The name nevertheless proved remarkably durable. Once attached to the mystery, it gave the creature a distinctive identity and helped separate it from countless other unexplained-animal stories.
Why Lake Como Was the Perfect Setting
Lake Como offered everything a monster legend needed.[varennaholidays.it]varennaholidays.itLarrie: the monster of Lake Como!BlogDecember 8, 2023 — 8 Dec 2023 — This marine reptile's legend started in 1946 when two hunters in the north area of Lake Como, Pian di…
The lake is exceptionally deep, reaching more than 400 metres in places. Its steep mountains, changing weather and dark waters naturally encourage speculation about what might be hidden beneath the surface. Even without any monster stories, it is a landscape that feels mysterious.[Wikipedia]WikipediaOpen source on wikipedia.org.
The original sighting location added another ingredient. Pian di Spagna is not an open stretch of lake but a wetland reserve of reeds, channels and shallow water. Such environments are ideal for misidentifications because animals may be seen only briefly and under poor viewing conditions.[manospondylus.com]manospondylus.comlariosauro rather curious cryptidLariosauro: A rather curious cryptid25 Jan 2022 — The first time a monster was sighted in the lake was in 1946, when the local newspaper…
Just as importantly, post-war newspapers were able to spread local rumours quickly. Once the monster acquired a name and a backstory, every unusual observation on the lake could potentially become another Lariosauro sighting. The creature moved from a single report to a recognised local legend in a remarkably short period.[massimopolidoro.com]massimopolidoro.comun mostro nel lago di como?7 Jun 2007 — Il mostro, con riferimento al nome del lago di Como (Lario), fu chiamato “lariosauro”, un nome che era stato dato nel XIX s…
Otters, Pike and Newspaper Invention
Later sightings are often cited as evidence that something mysterious really inhabited Lake Como. However, the details tend to point in the opposite direction.
In 1954, a witness at Argegno described an animal only around 80–90 centimetres long with a rounded muzzle, a broad rear section and webbed feet. Researcher Giorgio Castiglioni concluded that the description fits an otter surprisingly well. Otters were still present around the lake at the time.[massimopolidoro.com-80.it]massimopolidoro.comun mostro nel lago di como?7 Jun 2007 — Il mostro, con riferimento al nome del lago di Como (Lario), fu chiamato “lariosauro”, un nome che era stato dato nel XIX s…
Another famous report appeared in 1957 when newspapers described a huge creature between Dongo and Musso. Castiglioni regarded this episode as another likely media invention rather than a genuine zoological mystery.[massimopolidoro.com]massimopolidoro.comun mostro nel lago di como?7 Jun 2007 — Il mostro, con riferimento al nome del lago di Como (Lario), fu chiamato “lariosauro”, un nome che era stato dato nel XIX s…
A separate 1957 story involved an underwater observation of a creature with a crocodile-like head. The description was vague, but sceptical interpretations have suggested a large pike or another ordinary fish seen under difficult viewing conditions.[massimopolidoro.com]massimopolidoro.comun mostro nel lago di como?7 Jun 2007 — Il mostro, con riferimento al nome del lago di Como (Lario), fu chiamato “lariosauro”, un nome che era stato dato nel XIX s…
The pattern continued into the modern era. A widely reported 2003 sighting near Lecco described an enormous eel-like shape many metres long. Castiglioni argued that a tightly packed group of fish swimming together could easily create the illusion of a single giant animal.[massimopolidoro.com]massimopolidoro.comun mostro nel lago di como?7 Jun 2007 — Il mostro, con riferimento al nome del lago di Como (Lario), fu chiamato “lariosauro”, un nome che era stato dato nel XIX s…
Taken together, the reports do not form a consistent picture. The creature changes size dramatically, shifts from reptile to mammal to fish-like forms, and behaves differently in each account. Rather than supporting the existence of one unknown species, the sightings appear to reflect a mixture of misidentifications, exaggerations and occasional journalistic invention.[massimopolidoro.com]massimopolidoro.comun mostro nel lago di como?7 Jun 2007 — Il mostro, con riferimento al nome del lago di Como (Lario), fu chiamato “lariosauro”, un nome che era stato dato nel XIX s…
How a Newspaper Monster Became a Local Legend
The Lariosauro survived because it offered something more entertaining than a straightforward explanation.
A deep alpine lake, genuine prehistoric fossils, dramatic newspaper headlines and occasional strange sightings created a story that local people enjoyed repeating. Over time the monster became part of Lake Como’s cultural landscape. It appeared in books, local exhibitions, tourism material and popular culture, even as sceptical investigations increasingly pointed toward mundane explanations.[varennaholidays.it]varennaholidays.itLarrie: the monster of Lake Como!BlogDecember 8, 2023 — 8 Dec 2023 — This marine reptile's legend started in 1946 when two hunters in the north area of Lake Como, Pian di…
That makes the Lariosauro valuable as more than a monster tale. It is a case study in how legends are manufactured and sustained. The evidence suggests that Lake Como’s famous beast owes far more to reporters and headlines than to any hidden animal. Yet that very origin story is what makes it one of Italy’s most revealing monster traditions.[massimopolidoro.com]massimopolidoro.comun mostro nel lago di como?7 Jun 2007 — Il mostro, con riferimento al nome del lago di Como (Lario), fu chiamato “lariosauro”, un nome che era stato dato nel XIX s…
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Endnotes
1.
Source: massimopolidoro.com
Title: un mostro nel lago di como
Link:https://www.massimopolidoro.com/misteri/un-mostro-nel-lago-di-como.html
Source snippet
?7 Jun 2007 — Il mostro, con riferimento al nome del lago di Como (Lario), fu chiamato “lariosauro”, un nome che era stato dato nel XIX s...
2.
Source: Wikipedia
Link:https://en.wikipedia.org/wiki/Lariosauro
3.
Source: wevillas.ch
Title: il mostro del lago di como la leggenda del lariosauro
Link:https://wevillas.ch/news/il-mostro-del-lago-di-como-la-leggenda-del-lariosauro
Source snippet
Il mostro del Lago di Como: la leggenda del Lariosauro20 Dec 2012 — Il 18 novembre 1946, due cacciatori dalle parti di Colico, Questo str...
4.
Source: Wikipedia
Title: Mostro lacustre
Link:https://it.wikipedia.org/wiki/Mostro_lacustre
5.
Source: manospondylus.com
Title: lariosauro rather curious cryptid
Link:https://www.manospondylus.com/2022/01/lariosauro-rather-curious-cryptid.html
Source snippet
Lariosauro: A rather curious cryptid25 Jan 2022 — The first time a monster was sighted in the lake was in 1946, when the local newspaper...
6.
Source: varennaholidays.it
Title: Larrie: the monster of Lake Como!
Link:https://www.varennaholidays.it/blog/larrie-the-monster-of-lake-como/
Source snippet
BlogDecember 8, 2023 — 8 Dec 2023 — This marine reptile's legend started in 1946 when two hunters in the north area of Lake Como, Pian di...
Published: December 8, 2023
7.
Source: lakecomotravel.com
Title: lariosauro lake como monster
Link:https://lakecomotravel.com/lariosauro-lake-como-monster/
Source snippet
Lariosaurus: 3 things to know about the Lake Como monsterThe legend started in 1946 Lariosauro, Lake Como, Italy … claimed to have seen a...
Additional References
8.
Source: comolakesideblog.com
Title: lake como legends
Link:https://www.comolakesideblog.com/culture/lake-como-legends
Source snippet
Lakeside Real Estate3 Mysterious Legends of Lake Como That Make It Even Cooler16 Oct 2020 — But the real legend about Larrie actually sta...
9.
Source: facebook.com
Link:https://www.facebook.com/ilcuriosonevarese/posts/anche-il-lago-di-como-ha-il-suo-mostro-il-lariosaurochi-non-conosce-la-leggenda-/2232107123531320/
Source snippet
IL LARIOSAURO Chi non conosce la leggenda del Mostro...La leggenda del mostro del Lario nacque infatti nell'immediato dopoguerra, quando...
10.
Source: youtube.com
Link:https://www.youtube.com/watch?v=QRz1LRfPcCo
Source snippet
CHAMP: A monster in the lake?Il lago Champlain è una delle maggiori superfici d'acqua dolce al confine tra Stati Uniti e Canada. Quelle a...
11.
Source: youtube.com
Link:https://www.youtube.com/watch?v=JdiTdPv5oZI
Source snippet
curator of the Ecology Museum in...
12.
Source: youtube.com
Link:https://www.youtube.com/watch?v=kVKLeR3eFFk
Source snippet
Il mostro del lago di ComoIn questa puntata di Mysteria parleremo di quella che viene chiamata Larrie, la misteriosa creatura acquatica c...
13.
Source: 70-80.it
Link:https://www.70-80.it/1946-viene-avvistato-sul-lago-di-como-il-relativo-mostro-il-lariosauro-che-da-allora-ci-accompagnera-periodicamente-fino-ai-giorni-nostri/
Source snippet
Viene avvistato sul lago di Como il relativo mostro16 Jan 2026 — Lì è descritto come un animale lungo 80-90 cm, con muso e parte posterio...
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