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Finding Nemo (2003) Poster

(2003)

Goofs

Factual errors 

When Bruce the shark is talking to Nemo and Dory, we can see his tongue flick as he's speaking. Sharks don't have tongues.
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Jump to: Character error (4) | Continuity (7) | Errors in geography (2) | Factual errors (11) | Plot holes (1) | Revealing mistakes (1) | Spoilers (1)

Character error 

Crush the sea turtle claims he's 150 years old "and still young." Actually, at 150, Crush would be almost twice the normal lifespan of a sea turtle, which is about 80 years. Contrary to popular belief, not all kinds of turtles have lifespans of over 100 years. It is tortoises, which are land turtles, that are known for their very long lifespans and, even then, the current record is 188 years old, not much older (relatively speaking) than Crush.
When Mr. Ray sings his "Let's Name the Species" song, he isn't actually naming species. Porifera, Coelenterata, Ctenophora, Bryozoa, Arthropoda, Echinodermata, and Chordata are all phyla. Hydrozoa, Scyphozoa, and Anthozoa are classes in the phylum Cnidaria (Coelenterata), and Gastropoda is a class in the phylum Mollusca. The order of classification is: kingdom, phylum, class, order, family, genus, species. Phyla and classes are definitely not the same as species, although it is revealed, in the DVD, that Mr. Ray isn't an actual scientist, more that he just picks things up. In that case, it could very well be that he mistook the one for the other, not knowing that he was passing on incorrect information.
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The instrument that is used by the dentist that is mentioned in the movie is called a "gates glidden" instrument not a "gator glidden drill". It is also mentioned that the dentist uses it to access the root canal. It is not used to access the root canal but rather to clean and shape it. The proper instrument that is used for endodontic access is a carbide bur.
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When the fish in the tank are watching the dentist work, Bloat asks if the rubber dam and clamp have been installed. Another fish replies it has, but when the patient is shown, it is not present.
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Continuity 

Peaches the Starfish has to pull away from the glass tank in order to speak clearly, as her voice is usually muffled. However, when Darla arrives, she speaks clearly without pulling away from the glass.
When the dentist is scooping Nemo out of the aquarium with the bag, the first time we see the bag it has a zipper top. The next time we see the bag outside the aquarium it is a plain bag with no zipper top.
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(at around 47 mins) When Marlin is telling his story to the small turtles in the EAC, their shells look different than in other scenes.
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When Nemo first encounters the diver's boat, the anchor is deployed. When the divers return to the boat with Nemo, they start the engines and leave immediately without retrieving the anchor.
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When Bruce is chasing Marlin and Dory, the mask in his mouth switches from the right side to the left side and then back again.
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When the ocean fish all swim down to save themselves from the fishermen's net, part of the wood eventually breaks off as the net falls to the bottom of the sea floor. However in the subsequent shots, the wood is not seen.
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When Nemo swims on top of Mr. Ray in the school scene, he disappears behind the right eye to reappear at the back at the end of the scene.
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Errors in geography 

Nigel, the Pelican, is a Brown Pelican, scientifically known as Pelecanus occidentalis. The movie is set in Australia, where there are no Brown Pelicans, instead there is the Australian Pelican, scientifically known as Pelecanus conspicillatus. Both birds look quite different.
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The diving flag seen on the dentist's boat is the United States' "Diver Down" flag (red with white stripe). This flag is not used in Australia, and would not be seen on the Great Barrier Reef. The Australian version is blue and white.
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Factual errors 

When Dory and Marlin are hanging onto the whale's tongue, they look down the throat and see the whale's uvula. No animals have uvulas. Only humans can claim to have them.
Marlin and Dory are advised to swim to the back of the whale's throat and to be blown out of the whale's blowhole. This is not physically possible as whales mouths and digestive systems are not connected to their respiratory system and blowhole.
When Nigel tells Nemo about that Marlin is looking for him, he mentions that Marlin has "traveled hundreds of miles" to find his son. In Australia, they don't use miles. They use kilometers.
Nigel the pelican has nostrils. Pelicans do not have nostrils. They breathe through their mouth.
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The divers' boat has a stern-drive unit with two propellers. When it starts, both propellers turn in the same direction, but they should rotate in opposite directions.
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Coral should be bigger than Marlin. Female clownfish are always bigger than their mates (often twice as big).
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Mr. Ray is not a Mr. at all, as he lacks claspers (the male reproductive organs found on rays and sharks.)
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Bloat (Long Spined Porcupinefish/Diodon holacanthus) and Jacques (Cleaner Shrimp/Lysmata amboinensis) shouldn't be in the same tank because invertebrates are the Diodon holacanthus' main food.
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The "angler fish" that Marlin and Dory encounter has several characteristics that are not found in deep-sea angler fish. Deep-sea angler fish do not have photophores (the "lights" along the side of the body that are visible when you finally see the whole fish). Also, all deep-sea angler fish have very small eyes, and the fish in the movie has very large eyes (much like a marine hatchet fish). Plus, angler fish are usually found at 1000+ meters, way too deep for Marlin and Dory to survive.
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Now and then you can see various fish blink when they talk. Fish can move their eyes but they don't have eyelids, therefore can't blink.
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The 'trench' encountered by Marlin and Dory is actually an undersea canyon, since it rises above the ocean bottom. Trenches are miles-deep depressions in the sea floor, like the one where they found the diver's mask.
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Plot holes 

The sharks hold their meeting on what appears to be a World War II-era American submarine sunk by a mine strike. It makes no sense for an American submarine to have struck a mine in Australian waters, since during WWII the U.S. had three submarine bases in Australia and would have been fully aware of any mine fields near the coast.
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Revealing mistakes 

When Nemo gets flushed and is racing down the sewers, he emerges from below the surface of the water and takes a sharp breath as if he were gasping for air. At several other points in the film (when Marlin is chasing the boat and has to go to the surface to look, and when Nemo is about to leap into the filter of the tank) the animators took care to have the fish go *under* the water to gasp for breath.
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Spoilers 

The goof item below may give away important plot points.

Factual errors 

When the fish are in bags and the bags are in the ocean, the bags should float with their inner water level at just about the same level as the surface of the ocean.

See also

Trivia | Crazy Credits | Quotes | Alternate Versions | Connections | Soundtracks

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