There are currently 36 recognized species in this genus: •
Syngnathus abaster A. Risso, 1827 (Black-striped pipefish) •
Syngnathus acus Linnaeus,
1758 (Greater pipefish) •
Syngnathus affinis Eichwald, 1831 •
Syngnathus auliscus (
Swain, 1882) (Barred pipefish) •
Syngnathus californiensis D. H. Storer, 1845 (Kelp pipefish) •
Syngnathus caribbaeus C. E. Dawson, 1979 (Caribbean pipefish) •
Syngnathus carinatus (
C. H. Gilbert, 1892) •
Syngnathus caspius Eichwald, 1831 •
Syngnathus chihiroe Matsunuma, 2017 •
Syngnathus dawsoni (
Herald, 1969) •
Syngnathus exilis (
R. C. Osburn &
Nichols, 1916) (Bar-cheek pipefish) •
Syngnathus floridae (
D. S. Jordan &
C. H. Gilbert, 1882) (Dusky pipefish) •
Syngnathus folletti Herald, 1942 •
Syngnathus fuscus D. H. Storer, 1839 (Northern pipefish) •
Syngnathus leptorhynchus Girard, 1854 (Bay pipefish) •
Syngnathus louisianae Günther, 1870 (Chain pipefish) •
Syngnathus macrophthalmus Duncker, 1915 •
Syngnathus makaxi Herald &
C. E. Dawson, 1972 (Yucatán pipefish) •
Syngnathus pelagicus Linnaeus,
1758 (Sargassum pipefish) •
Syngnathus phlegon A. Risso, 1827 •
Syngnathus rostellatus Nilsson, 1855 (Nilsson's pipefish) •
Syngnathus safina Paulus, 1992 •
Syngnathus schlegeli Kaup, 1856 (Seaweed pipefish) •
Syngnathus schmidti A. M. Popov, 1928 •
Syngnathus scovelli (
Evermann &
Kendall, 1896) (Gulf pipefish) •
Syngnathus springeri Herald, 1942 (Bull pipefish) •
Syngnathus taenionotus Canestrini, 1871 •
Syngnathus temminckii Kaup, 1856 (Long-snout pipefish) •
Syngnathus tenuirostris Rathke, 1836 (Narrow-snouted pipefish) •
Syngnathus typhle Linnaeus,
1758 (Broad-nosed pipefish) •
Syngnathus variegatus Pallas, 1814 •
Syngnathus watermeyeri J. L. B. Smith, 1963 (Estuarine pipefish) ==References==