Answer: devilfish

AnswerCrossword Clue
DEVILFISHManta or octopus
DEVILFISHManta
devilfishan octopus; also, a huge ray of the Gulf of Mexico and Southern Atlantic coasts
devilfishAny of a number of marine creatures that are perceived as having a sinister appearance, in particular a devil ray, a stonefish, or an octopus or squid