scor·pi·on·fish or scorpion fish 
(skôrpē-ən-fĭsh′)
(skôrpē-ən-fĭsh′)n. pl. scorpionfish or scor·pi·on·fish·es or scorpion fish or scorpion fish·es
Any of various often brilliantly colored marine fishes of the family Scorpaenidae, having poisonous spines in the dorsal fins and often in the anal and pelvic fins, and including the lionfishes and, in some classifications, the rockfishes.