9 letters · 19 points in Scrabble
noun medium-sized greyish-black whale of the northern Pacific
noun bottom-living cephalopod having a soft oval body with eight long tentacles
noun extremely large pelagic tropical ray that feeds on plankton and small fishes; usually harmless but its size make it dangerous if harpooned
originCompound of devil + fish.
Etymology from Wiktionary, CC BY-SA 3.0