noun Any of several not closely related marine animals: The octopus. The giant squid or kraken. The gray whale, Eschrichtius robustus. The piranha. The anglerfish, Lophius piscatorius. The suckermouth catfish, Hypostomus plecostomus (translating Spanish pez diablo). The manta ray; any ray in the genus Mobula. The devil ray, Mobula mobular. Certain fish in the genus Paraplesiops; see blue devilfish, Bleeker's devilfish.
noun The octopus.
noun The giant squid or kraken.
noun The gray whale, Eschrichtius robustus.
noun The piranha.
noun The anglerfish, Lophius piscatorius.
noun The suckermouth catfish, Hypostomus plecostomus (translating Spanish pez diablo).
noun The manta ray; any ray in the genus Mobula. The devil ray, Mobula mobular.