12:02:36 AM Oct 23rd 2010
Not a trope.
- Mythbusters: They did an entire episode dedicated to shark myths claimed by this movie. It is possible for a shark of that size to destroy the shark-proof cage, but air tanks won't explode when shot, they instead become rockets. The shark at worst might have choked on the thing.
- Spielberg admitted in a documentary about the making of the film that Peter Benchley told him that it wouldn't work, but he didn't care; he wanted a satisfying ending over realism.