Character mistake: When a helicopter winch operator tries to get the gurney with injured Jim inside the helicopter, he doesn't have any gloves on. No wonder his hand gets injured when the cable breaks loose.
Factual error: Near the beginning when the boat pulls up and the guy on the boat tells the blond convict he's got a beauty 13 foot "Tiger shark" that's up in some sort of sling, the so called tiger shark is actually the same robot mako shark from the rest of the movie, just with stripes on it. Tiger sharks have a blunt rounded nose, not a pointed one like a great white. (00:07:35)
Tom Scoggins: They're big, real big.
Carter Blake: What's that?
Tom Scoggins: The size of your brass balls!
Trivia: In both Jaws and Deep Blue Sea there is a scene involving a license plate. In Jaws it is removed from the belly of the dead tiger shark. In Deep Blue Sea it is removed from the teeth of a tiger shark. Not only are both sharks the same kind but both plates are from Louisiana. The license plate number is the same in both films: 007 o 981 Exp 72-73.
Question: I know that Susan was originally supposed to survive and kill the last shark but the test audience greatly disapproved of this. Why did the test audience hate the original ending? And why is this ending unavailable to watch?
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