The Chinese trumpetfish is diurnal and solitary. The Chinese trumpetfish, "Aulostomus chinensis", is a demersal marine fish belonging to the family Aulostomidae. The Chinese trumpetfish feeds on small fishes and crustaceans. Other predators include the greater soapfish, roughtail stingray, and the trumpetfish. Bodies of trumpetfish are elongated, rigid, and pike-shaped. It is preyed upon by the trumpetfish, "Aulostomus maculatus". Trumpetfish well over a metre (3.28 feet) in length are frequently found around the propeller. "Trumpetfish" remained with SubRon 4, operating out of Charleston through 1972. After calling at Brest, France, "Trumpetfish" suddenly received word of a crisis in the Levant.