History Film / Crawl

* CruelAndUnusualDeath: All five humans killed get it pretty bad.

* SomewhereAHerpetologistIsCrying: Alligators don't hunt communally. [[spoiler: They also don't build underground nests because they need sunlight to keep the eggs warm. And female alligators try to seek secluded areas away from humans and other alligators to build their nests.]]

* ItsProbablyNothing: Lee, the female looter, initially isn't sure about Haley's distress call, then wonders if its someone trying to shoot them for looting (although she doesn't try to stop Marv from going over there).

* CaptainOblivious: While the viewer sees it, a looter (the first to hear Haley's cries for help) doesn't hear [[MeaningfulBackgroundEvent his girlfriend getting slaughtered by an alligator.]]

** The alligators might fit this trope as well. In real life, alligators despise floods and normally would evacuate but seeing that they laid eggs in the house's basement, they might be killing off the humans out of fear they'll kill off their hatchlings.

* YouHaveGotToBeKiddingMe: Said almost word for word, with an f-bomb thrown in by Haley. Once Haley, Dave and Sugar get in a boat just as the levies give out. There is still a chance...only for the water to smash their boat RIGHT back into their exact same house!

* AnkleDrag: A trailer shows how Haley gets grabbed and dragged away by an alligator at one point.

* ArcWords: "Alpha Predator".

* DownerEnding: The alligators get one since their eggs placed in the basement were sure to have been washed away and ruined or dissolved by the flood reaching to 2-3 stories.

* PoliceAreUseless: We see Haley call for help over the portable radio in the trailer, and it does arrive in the form of a pair of professional rescuers in yellow vests... only for one of them, who is a family FriendOnTheForce and Haley's sister's ex-boyfriend, to get promptly bitten at the midsection and dragged underwater by an alligator.

* TheSnackIsMoreInteresting: One of the looters starts stealing gum, cigarettes, chips and eats hot dogs in the flooded gas station store as while his cohorts are getting eaten by alligators. He soon shares the same fate.

* TheSnackIsMoreInteresting: One of the looters starts stealing gum, cigarettes, chips and eats hot dogs in the flooded gas station store as while his cohorts are getting eaten by alligators.
* SkewedPriorities: The three looters see a flood forcing the owners of a convenience store to evacuate as a golden opportunity rob its ATM and the food inside. They all get eaten by alligators.

* CaptainOblivious: While the viewer sees it, one civilian in the flood (the first to hear Haley's cries for help) doesn't hear [[MeaningfulBackgroundEvent his wife getting slaughtered by an alligator.]]

** The female looter gets half of her leg bitten off by an alligator.

* AnArmAndALeg: While Haley is able to (narrowly) escape being subject to this trope after getting both her right arm and right leg severely bitten by the alligators, [[spoiler:Dave gets his forearm ripped clean off at the elbow.]]

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* BloodyHandprint: In the trailer, Haley, while looking for her father, finds a pair of handprints made in blood on a pipe near the ceiling.
* CaptainOblivious: While the viewer sees it, one civilian in the flood (the first to hear Haley's cries for help) doesn't hear his wife getting slaughtered by an alligator.

* DevouredByTheHorde: [[spoiler: Deputy Pete gets torn apart by an entire swarm of alligators.]]

* OnlyTheLeadsGetAHappyEnding: Only Haley, her father and her dog are alive at the end as while we saw 7 people (a married couple, 3 looters and 2 policemen) get EatenAlive by the alligators.
* OffWithHisHead: [[spoiler:As Pete is being devoured by a pack of alligators, you can see his head being torn off.]]

* SpiritualSuccessor: To ''TheShallows.''

* HopeSpot: Several. Haley and her father do everything they can to get help and even manage to find several people willing to help. Unfortunately, the alligators end up eating them before they can.

* PoliceAreUseless: We see Haley call for help over the portable radio in the trailer, and it does arrive in the form of a pair of professional rescuers in yellow vests...only for one of them, who is a family FriendOnTheForce and Haley's sister's ex-boyfriend, to get promptly bitten at the midsection and dragged underwater by an alligator.

* BittersweetEnding: [[spoiler:Haley, Dave, and Sugar the dog survive and are rescued, but they're also wounded (with Dave losing an arm) and many people including the looters, the deputy, and several rescuers (including their family friend) died either to the hurricane or to the alligators. The alligators get a DownerEnding since their eggs placed in the basement were sure to have been washed away and ruined or dissolved by the flood reaching to 2-3 stories.]]

* BittersweetEnding: [[spoiler:Haley, Dave, and Sugar the dog survive and are rescued, but they're also wounded (with Dave losing an arm) and many people including the looters, the deputy, and several rescuers (including their family friend) died either to the hurricane or to the alligators]]

* DeadpanSnarker: Dave gets in a number of snarky quips throughout the film.

* OffWithHisHead: As Pete is being devoured by a pack of alligators, you can see his head being torn off.

* BittersweetEnding: Haley, Dave, and Sugar the dog survive and are rescued, but they're also wounded (with Dave losing an arm) and many people including the looters, the deputy, and several rescuers (including their family friend) died either to the hurricane or to the alligators.

* AnArmAndALeg: [[spoiler:Dave gets his forearm ripped clean off at the elbow.]]