The ballyhoo or bally, Hemiramphus brasiliensis, is a baitfish of the halfbeak family (Hemiramphiae). It is similar to the Balao halfbeak (Hemiramphus balao). Ballyhoo are frequently used as cut bait and for trolling purposes by saltwater sportsmen. A big variety of fish love ballyhoo. It is one of the greatest known fish to catch Sailfish on.