Beloniformes is an order composed of six families (and about 264 species) of freshwater and marine ray-finned fish: \n* the Adrianichthyidae (ricefish and medakas); \n* Belonidae (needlefish); \n* Exocoetidae (flyingfishes); \n* Hemiramphidae (halfbeaks); \n* the Scomberesocidae (sauries) and \n* the Zenarchopteridae (viviparous halfbeaks).