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1. Medium-sized greyish-black whale of the northern Pacific
   - grey whale [Brit, Cdn], gray whale [US], Eschrichtius gibbosus, Eschrichtius robustus
    
2. Bottom-living cephalopod having a soft oval body with eight long tentacles
   - octopus
    
3. Extremely large pelagic tropical ray that feeds on plankton and small fishes; usually harmless but its size make it dangerous if harpooned
   - manta, manta ray

Derived forms: devilfishes

Type of: baleen whale, octopod, ray, whalebone whale

Part of: Eschrichtius, family Mobulidae, genus Eschrichtius, genus Octopus, Mobulidae

Encyclopedia: Devilfish