Devilfish or devil fish may refer to:
Animals Species of Mobulidae (devil rays), including: Mobula mobular, known as "devil fish" Mobula birostris, the oceanic manta ray Species of Australian Paraplesiops, including: Paraplesiops meleagris, the southern or western blue devil fish Paraplesiops bleekeri, the eastern blue devil fish Pelagic anglerfish (Ceratioidei), historically named "sea devils", such as: Ceratiidae, warty seadevils Melanocetidae, black seadevils Dosidicus gigas, the "red devil" () squid Inimicus didactylus, a venomous scorpionfish
Archaic names "Devilfish" was historically used for the following animals: Lophius piscatorius, the European angler Eschrichtius robustus, gray whales, which fought vigorously when hunted Esox lucius, the northern pike Octopus
Mythology and cryptids Devil Fish, purported Jenny Haniver cryptids Devil Fish, octopus-like, carnivorous cryptid, supposedly seen and killed by Czech adventurer Jan Eskymo Welzl in 1906
Other Devil Fish (video game), a maze arcade game Devilfish (custom car), winner of the 1973 Ridler USS Devilfish (SS-292), a Balao-class submarine Devilfish, the name of the primary troop transport for the Tau Empire in the fictional universe of Warhammer 40,000 A set of modifications to the Roland TB-303 Bass Line synthesizer The Terminus typeB303 "Devilfish", a 2005 mecha in the anime series Eureka Seven Devilfish, the US video-release title given to the 1984 Italian film Monster Shark Devilfish, the online persona of the webcomic character Marcy Wisniewski from PvP Devilfish, the nickname of poker player Dave Ulliott Tampa Bay Rays, a Major League Baseball team originally named the Devil Rays for the devil fish, which remains in use as a retro identity
See also Sea devil (disambiguation)