Nightwing is a 1979 American horror film directed by Arthur Hiller. The screenplay by Martin Cruz Smith, Steve Shagan, and Bud Shrake is based on the 1977 novel of the same title by Smith. Its tagline is "Day belongs to man, but night is theirs!" It was one of many so-called Jaws rip-offs that were popular in the late 1970s and early 1980s, including (1977), Tentacles (1977), The Pack (1977), Piranha (1978), Alligator (1980) and Great White (1980). It also was Hiller's only horror film.