noun, plural ( especially collectively ) trum·pet·fish ( especially referring to two or more kinds or species ) trum·pet·fish·es. any of several
fishes of the family Aulostomidae, having a long, tubular snout, as the slender, brown-flecked
Aulostomus maculatus, inhabiting waters on both sides of the tropical Atlantic Ocean, having the habit of orienting vertically in the water and capturing its prey from that position.