bluefish

noun, plural (especially collectively) blue·fish, (especially referring to two or more kinds or species) blue·fish·es.

1. a predaceous, marine, bluish or greenish food fish, Pomatomus saltatrix, inhabiting Atlantic coastal waters of North and South America.
2. any of various fishes, usually of a bluish color.

noun plural -fish or -fishes

1. Also called: snapper a predatory bluish marine percoid food and game fish, Pomatomus saltatrix, related to the horse mackerel: family Pomatomidae
2. any of various other bluish fishes