Tylosurus is a genus of fish in the needlefish family, distinguished by their long, slender bodies and sharp, elongated beaks. These fish are also known by several other names, including garfish, belonid, garpike, and agujón. Garfish is a common term used in Australia and Europe, while belonid is used by French and Spanish speakers. Garpike is a name often used in North America, while agujón is commonly used in Spanish-speaking countries. Regardless of the name used, these fish are known for their predatory nature and ability to leap out of the water at high speeds to catch their prey.