History Main / LampreyMouth

* Subverted by the tapeworm's scolex, which only ''looks'' like a mouth.

Does not cover insect-like mandibles. Often a subtrope of MoreTeethThanTheOsmondFamily. A common feature of [[SandWorm sandworms]].

* The final mutation of "G"(formerly William Birkin) in ''ResidentEvil2''.

* ''DeltoraQuest'' has flesh-eating plants known as Grippers. From above, they appear to be small ferns, or clumps of grass. However, buried underground, they have a huge, funnel-like mouth, with rows of sharp teeth. When unsuspecting prey walk over the top of them, the ground parts as they open their mouths, and the prey falls in to be eaten.

* The Chtorran worms in ''Literature/TheWarAgainstTheChtorr''.

* A many-limbed critter screams straight into the camera with one of these in the trailer for ''Film/SilentHillRevelation3D''.

* In ''PiratesOfTheCaribbean: Dead Man's Chest'', the Kraken has a mouth like this, with a full ring of multi-jointed pedipalps surrounding it.

* In ''TheCabinInTheWoods'' [[spoiler: The Ballerina/Sugar Plum Fairy's entire face is one of these]].

* The subway worm from ''Film/MenInBlack II''.

* The Reapers from the second ''{{Blade}}'' film double up on this trope, having one set of LampreyMouth teeth on their tongues and another set surrounding them.
* A many-limbed critter screams straight into the camera with one of these in the trailer for ''SilentHill: Revelation''.

* Taxxons from {{Animorphs}} have these.

On film, it's often a makeup technique used to make HumanoidAliens of the [[RubberForeheadAlien rubber forehead variety]] appear more alien by suggesting BizarreAlienBiology through its outward appearance. Such an orifice could also appear on a radically non-humanoid creature.

* Scraplets from ''TransformersPrime'', essentially metal-eating flying piranhas. They look cute until they see metal, then they open their mouths and reveal rings upon rings of churning, mechanical teeth.

* In ''{{Bleach}}'', Aaroniero Arrururie's Zanpakuto looks like a mutant sea anemone with such a mouth. When he goes OneWingedAngel, we can see that his gigantic octopus-like lower body has a gargantuan LampreyMouth complete with rows of teeth in the middle of his body.
* The angel Sandalphon from ''NeonGenesisEvangelion''.

* The mechanical shark from ''{{James and the Giant Peach}}'' would count.
* The ''Carnictus'' worms from the remake of ''KingKong'' had mouths like this.

* Taxxons from {{Animorphs}} have these.

* ''[[BlakesSeven Blake's 7]]'': The worm-like giant predatory creatures on Terminal which Vila referred to figuratively as "snakes" had mouths like this.

** Also from ''Supernatural'', "The Kids are Alright" (3x02) the Changeling has this type of mouth.

* ''Anomalocaris'', largest predator of the Burgess Shale fauna, had a tough constricting ring for a mouth, lined with bony prongs.

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* The subway worm from ''[[MenInBlack MIIB]]''.

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* The Pokemon evolution line Tynamo, Eelektrik and Eelektross. While Tynamo looks like a leech, its evolutions Eelektrik and Eelektross resemble lampreys and they mainly attack by discharging electricity while attaching to their victim with their LampreyMouth.

* * The squid from ''{{Minecraft}}'' has one of these. It's much toothier than would be realistically expected, although the squid itself is completely harmless.

* ''Scraplets from TransformersPrime'', essentially metal eating flying piranhas. They look cute until they see metal, then they open their mouth and reveal rings upon rings of churning, mechanical teeth.

* The [[http://img.photobucket.com/albums/v349/DocDoom777/Entertainment/STTOS-SaltVampire.jpg Salt Vampire]] in the ''StarTrekTheOriginalSeries'' episode "The Man Trap" has one of these.
** ''StarTrekTheNextGeneration'' and other modern ''Trek'' series have the Nausicaans, who have appeared in every series except the original series and were inspired by''{{Predator}}''. Their mouth-structures are a slightly more humanoid version of this trope.
** ''StarTrekVoyager'' episode "Nemesis" featured the very similar-looking but even more pronounced example in the Kradin.

* The leviathan from ''{{Supernatural}}'' have mouths like this.

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* ''Anomalocaris'', largest predator of the Burgess Shale fauna, had a tough constricting ring for a mouth, lined with bony prongs.