Syngnathiformes 海龙目

include seahorses, pipefishes, seadragons, ghostpipefishes, flutemouths, trumpetfishes, snipefishes and other related groups. The order comprises six families and more than 370 species. These fishes have elongated, narrow, bodies surrounded by a series of bony rings, and small, tubular mouths. Families:Aulostomidae 管口鱼 , Centriscidae 刀片鱼 , Fistulariidae 烟管鱼 , Solenostomidae 鬼龙 , Syngnathidae 海龙海马