Sea monsters are beings from folklore believed to dwell in the sea and are often imagined to be of immense size. Marine can take many forms, including sea , , or tentacled beasts. They can be slimy and scaly and are often pictured threatening ships or spouting jets of water. The definition of a "monster" is subjective; further, some sea monsters may have been based on scientifically accepted creatures, such as and types of giant squid and colossal squid.
Sightings and legends
Sea monster accounts are found in virtually all cultures that have contact with the sea. For example,
Avienius relates of Carthaginian explorer Himilco's voyage "...there monsters of the deep, and beasts swim amid the slow and sluggishly crawling ships." (lines 117–29 of
Ora Maritima).
Humphrey Gilbert claimed to have encountered a lion-like monster with "glaring eyes" on his return voyage after formally claiming St. John's, Newfoundland (1583) for England.
[ Edward Haies: Sir Humphrey Gilbert's Voyage To Newfoundland, 1583 In the fifth section after the notice "Footnote 11: Stephen Parmenius"] Another account of an encounter with a sea monster comes from July 1734.
Hans Egede, a Dano-Norwegian missionary, reported that on a voyage to
Nuuk on the western coast of
Greenland he observed:
[J. Mareš, Svět tajemných zvířat, Prague, 1997]
a most terrible creature, resembling nothing they saw before. The monster lifted its head so high that it seemed to be higher than the crow's nest on the mainmast. The head was small and the body short and wrinkled. The unknown creature was using giant fins which propelled it through the water. Later the sailors saw its tail as well. The monster was longer than our whole ship.
Ellis (1999) suggested the Egede monster might have been a giant squid.
There is a Tlingit people legend about a sea monster named Gunakadeit (Goo-na'-ka-date) who brought prosperity and good luck to a village in crisis, people starving in the home they made for themselves on the southeastern coast of Alaska.
Other reports are known from the Pacific Ocean, Indian Ocean and Southern Ocean Oceans (e.g. see Heuvelmans 1968). Cryptozoologists suggest that modern-day sea monsters are surviving specimens of giant marine reptiles, such as an Ichthyosauria or plesiosaur, from the Jurassic and Cretaceous Periods, or extinct whales like Basilosaurus. Ship damage from Tropical cyclones such as hurricanes or typhoons may also be another possible origin of sea monsters.
In 1892, Anthonie Cornelis Oudemans, then director of the Royal Zoological Gardens at The Hague, saw the publication of his The Great Sea Serpent, which suggested that many sea serpent reports were best accounted for as a previously unknown giant, long-necked pinniped.
It is likely that many other reports of sea monsters are misinterpreted sightings of shark and whale carcasses (see below), floating kelp, logs or other flotsam such as abandoned rafts, canoes and fishing nets.
Alleged carcasses
Sea monster corpses have been reported since recent antiquity (Heuvelmans 1968). Unidentified carcasses are often called
globsters. The alleged plesiosaur netted by the Japanese trawler
Zuiyō Maru off New Zealand caused a sensation in 1977 and was immortalized on a Brazilian postage stamp before it was suggested by the
FBI to be the decomposing carcass of a
basking shark. Likewise,
DNA testing confirmed that an alleged sea monster washed up on Newfoundland in August 2001, was a
sperm whale.
[Carr, S.M., H.D. Marshall, K.A. Johnstone, L.M. Pynn & G.B. Stenson 2002. How To Tell a Sea Monster: Molecular Discrimination of Large Marine Animals of the North Atlantic. Biological Bulletin 202: 1-5.]
Another modern example of a "sea monster" was Chilean Blob washed up in Los Muermos on the Chilean sea shore in July 2003. It was first described as a "mammoth jellyfish as long as a bus" but was later determined to be another corpse of a sperm whale. Cases of boneless, amorphic globsters are sometimes believed to be gigantic , but it has now been determined that sperm whales dying at sea decompose in such a way that the blubber detaches from the body, forming featureless whitish masses that sometimes exhibit a hairy texture due to exposed strands of collagen fibers. The analysis of New Nessie revealed a comparable phenomenon in decomposing basking shark carcasses, which lose most of the lower head area and the dorsal and caudal fins first, making them resemble a plesiosaur.
In May 2017, The Guardian published an article claiming a giant sea monster's corpse was found in Indonesia, and also published an alleged photograph of "it."
Example
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Aspidochelone, a giant turtle or whale that appeared to be an island and lured sailors to their doom
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Bakunawa
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Bloop (sound)
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Capricorn, Babylonian sea goat featured in the Zodiac
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Coi Coi-Vilu
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Cetus, a monster sent by Poseidon to devour Andromeda, only to be destroyed by Perseus
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Charybdis of Homer, a monster whose mouth formed a whirlpool that sucked any ship nearby beneath the ocean
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Cirein-cròin
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Curruid, from whose bone the Gae Bulg is made in Celtic mythology
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Devil Whale, a demonic whale the size of an island
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Great Fish in the Hebrew Bible's Book of Jonah
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Hafgufa, a whale of fabulous size, described as a sjóskrímsli 'sea monster' together with the lyngbakr
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Lernaean Hydra, Greek multi-headed dragon-like beast
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Iku-Turso, reputedly a type of colossal octopus or walrus
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Ipupiara
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Jörmungandr, the Midgard Serpent and nemesis of Thor in Norse mythology
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Kraken, a gigantic octopus, squid, or crab-like creature
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Lacovie
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Leviathan
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Lusca
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Makara
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Proteus
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Scylla of Homer, a six-headed, twelve-legged serpentine monster that devoured six men from each ship that passed by
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Sirens
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Taniwha
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Tiamat
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Timingila
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Umibōzu
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Yacumama
Older reports
Sea monsters reported first or second hand include:
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A Gigantic octopus by Pliny (not to be confused with the documented Giant Pacific octopus)
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Sea monk
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Various
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Tritons by Pliny
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Cormac Ua Liatháin in the 6th century supposedly saw a horde of tiny creatures the size of frogs that had spines, which attacked his boat in the North Atlantic according to an account written by Adomnan of Iona
[Adomnan of Iona. Life of St Columba. Penguin books, 1995]
Newer reports
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Cadborosaurus of the Pacific Northwest
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Champ of Lake Champlain
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Chessie of the Chesapeake Bay
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Nessie of Loch Ness
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Issie of Lake Ikeda, Kyushu
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Ogopogo of Okanagan Lake
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Lusca
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Morgawr
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Ningen, a humanoid creature sighted in the seas north of Antarctica
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Fjörulalli, also called Shore Laddie, Arnarfjörður, Westfjords, Iceland
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Water horse Arnarfjörður, Westfjords, Iceland
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The Shell monster Arnarfjörður, Westfjords, Iceland
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Hafmaður Arnarfjörður, Westfjords, Iceland
In fiction
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Creatures of H. P. Lovecraft's Cthulhu Mythos, including Cthulhu itself.
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Creatures in such sci-fi/horror film films as Deepstar Six, The Rift, Deep Rising and Deep Shock.
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Clover
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Cyrus from Cyrus the Unsinkable Sea Serpent by Bill Peet
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Fictional portrayals of the Giant Squid, like in Twenty Thousand Leagues Under the Seas.
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Lusca in It Came from Beneath the Sea.
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Iku-Turso in Lönnrot's Kalevala
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Giganto
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Godzilla
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Gorgo
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Manda
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Kraken as depicted in Clash of the Titans (both the 1981 and 2010 versions).
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Kraken as depicted in .
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Ebirah
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Titanosaurus
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Zigra
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Moby Dick
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Rhedosaurus
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The Terrible Dogfish
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Jaws
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Sigmund and the Sea Monsters
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Sea Serpent as depicted in C.S. Lewis' novel, The Voyage of the Dawn Treader, and its 2010 film adaptation, .
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The Megalodon, the giant moray eel Great Abaia, and the giant squid Lusca. The Great are 3 sea monsters featured as bosses in the survival video game "Stranded Deep"
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The sea monster from Monkeybone is an inhabitant of Down Town and is performed by Nathan Stein. It resembles a piscine humanoid that is protruding from the back of its large seahorse-like mount.
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In , Wojira is a Giant Sea Serpent/Dragon that can control water and wind using the storm and wave amulets.
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In the 1980 film ', Piisuke is Nobita Nobis pet dinosaur'' and sea monster.
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In the 2021 film Luca Paguro, Luca Paguro and his friend Alberto Scorfano are 13-year-old humanoid sea monsters that assume the form of Humans when they are dry on land.
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The 2022 film The Sea Beast featured an assortment of sea monsters.
See also
Extant vertebrate taxa
Other