Trivia: In the first Jaws movie, the name given to the shark was Bruce, named after Steven Spielberg's lawyer. In this movie, the sharks were called Fidel and Harold. Harold was the name of David Brown's lawyer.
Trivia: When Brody gets fired and is drunkenly exiting the truck, entering his house, notice they have a yellow barrel as a planter at the front door - a nod to Quint's barrels.
Trivia: During the filming, Roy Scheider didn't get along with director Jeannot Szwarc, and the two clashed frequently on set.
Trivia: At one point, the camera team filmed a scene where the teenagers were filmed from a distance calling for help. What the crew didn't realise was that the actors were really calling for help - a group of hammerhead sharks had begun circling their raft.
Trivia: It was so cold throughout the filming that the actors' breath was visible in some scenes. In order to avoid this, the actors had to suck ice cubes before filming.
Trivia: An early idea for the sequel that ended up getting dropped was for the town of Amity at the start of the film to be on the verge of bankruptcy and a virtual ghost town due to tourists no longer coming there because of the shark attacks in the first movie.
Trivia: At one point, the script had Ellen Brody going out to sea to rescue the kids. When producer Darryl F. Zanuck read the script, he looked at the writer and said "Over my dead body."
Trivia: The Cable Junction was a raft set anchored down offshore where they were filming. One night, the anchor chain broke off and the raft started moving. Director Schwartz was called that night and told that his island was floating towards Cuba.
Answer: Teach me tonight is the name of song when Chief Brody and his wife Ellen are dancing to.