Dan Pastorini's bare-chest scene with Karen Black foreshadows his appearance one year later in the December 1980 issue of Playgirl magazine in which he shed more than just his shirt.

One of a cycle of 1980s and mid-late 1970s movies that got made after the box-office success of Jaws (1975). The films include that movie's three sequels, Jaws 2 (1978), Jaws 3-D (1983), and Jaws: The Revenge (1987), as well as Orca (1977), Piranha (1978), Tentacles (1977), Killer Fish (1979), Barracuda (1978), Tintorera: Killer Shark (1977), Blood Beach (1980), Piranha Part Two: The Spawning (1981), The Last Shark (1981), Up from the Depths (1979), Humanoids from the Deep (1980), Screamers (1979), Devil Fish (1984) and Mako: The Jaws of Death (1976).