The genus Aulostomus includes a group of marine fishes commonly known as trumpetfishes. Synonyms for Aulostomus include the Latin names Acanthurus, Aulostoma, Siphonognathus, and Tubicola. Trumpetfish are slender and elongated, with a tube-shaped snout that resembles a musical instrument. They are adept at camouflaging themselves in their surroundings, often resembling algae or branches to hide from predators or stalk prey. Trumpetfish are found primarily in warm waters around the world, in shallow reefs and open waters. They are a popular target for underwater photographers and divers due to their unusual shape and behavior.