The Trumpetfish (Aulostomus maculatus) is a large, elongated fish with a mouth that resembles a trumpet. Often this fish is seen near soft corals that offer a bit of camouflage, and when approached often move slowly or remain still.
This trumpetfish was photographed on the reef wall in Roatan, Honduras:
Here is a closeup shot of the Trumpetfish:
And here are a couple shots of Trumpetfish hiding in a group of sea plumes: