n = 54
| Scientific Name | Author | Valid Name | Family | English Name |
|---|---|---|---|---|
| Sicydium acutipinne | (Guichenot, 1863) | Cotylopus acutipinnis | Gobiidae | |
| Sicydium acutipinnis | (Guichenot, 1863) | Cotylopus acutipinnis | Gobiidae | |
| Sicydium adelum | Bussing, 1996 | Sicydium adelum | Gobiidae | |
| Sicydium albotaeniatum | Günther, 1877 | Sicyopterus stimpsoni | Gobiidae | Stimpson's goby |
| Sicydium altum | Meek, 1907 | Sicydium altum | Gobiidae | |
| Sicydium antillarum | Ogilvie-Grant, 1884 | Sicydium plumieri | Gobiidae | Sirajo |
| Sicydium balinense | Bleeker, 1856 | Sicyopus zosterophorus | Gobiidae | |
| Sicydium brevifile | Ogilvie-Grant, 1884 | Sicydium brevifile | Gobiidae | |
| Sicydium buscki | Evermann & Clark, 1906 | Sicydium buscki | Gobiidae | |
| Sicydium bustamantaei | (Boulenger, 1916) | Sicydium bustamantei | Gobiidae | |
| Sicydium bustamantei | (Greeff, 1882) | Awaous bustamantei | Gobiidae | |
| Sicydium bustamantei | Greeff, 1884 | Sicydium bustamantei | Gobiidae | |
| Sicydium caguitae | Evermann & Marsh, 1899 | Sicydium plumieri | Gobiidae | Sirajo |
| Sicydium cocoense | (Heller & Snodgrass, 1903) | Sicydium cocoense | Gobiidae | |
| Sicydium cocoensis | (Heller & Snodgrass, 1903) | Sicydium cocoense | Gobiidae | |
| Sicydium condotense | Regan, 1914 | Genus Species | New species | |
| Sicydium crenilabrum | Harrison, 1993 | Sicydium crenilabrum | Gobiidae | |
| Sicydium cynocephalum | Valenciennes, 1837 | Sicyopterus cynocephalus | Gobiidae | Cleft-lipped goby |
| Sicydium elegans | Steindachner, 1879 | Stiphodon elegans | Gobiidae | |
| Sicydium fasciatum | Day, 1874 | Sicyopterus fasciatus | Gobiidae | |
| Sicydium fayae | Brock, 1942 | Sicydium fayae | Gobiidae | |
| Sicydium franouxi | Pellegrin, 1935 | Sicyopterus franouxi | Gobiidae | |
| Sicydium gilberti | Watson, 2000 | Sicydium gilberti | Gobiidae | |
| Sicydium griseum | Day, 1877 | Sicyopterus griseus | Gobiidae | Stone goby |
| Sicydium gymnauchen | Bleeker, 1858 | Sicyopterus lagocephalus | Gobiidae | Red-tailed goby |
| Sicydium gymnogaster | Ogilvie-Grant, 1884 | Sicydium gymnogaster | Gobiidae | Smoothbelly goby |
| Sicydium halei | Day, 1888 | Sicyopterus macrostetholepis | Gobiidae | |
| Sicydium hildebrandi | Eigenmann, 1918 | Sicydium hildebrandi | Gobiidae | |
| Sicydium japonicum | Tanaka, 1909 | Sicyopterus japonicus | Gobiidae | |
| Sicydium lagocephalum | (Pallas, 1770) | Sicyopterus lagocephalus | Gobiidae | Red-tailed goby |
| Sicydium lagocephalus | (Pallas, 1770) | Sicyopterus lagocephalus | Gobiidae | Red-tailed goby |
| Sicydium laticeps | Valenciennes, 1837 | Sicyopterus laticeps | Gobiidae | |
| Sicydium macrostetholepis | Bleeker, 1853 | Sicyopterus macrostetholepis | Gobiidae | |
| Sicydium microcephalus | Bleeker, 1855 | Sicyopterus microcephalus | Gobiidae | |
| Sicydium micrurus | Bleeker, 1853 | Sicyopterus micrurus | Gobiidae | Clinging goby |
| Sicydium montanum | Hubbs, 1920 | Sicydium montanum | Gobiidae | |
| Sicydium multipunctatum | Regan, 1906 | Sicydium multipunctatum | Gobiidae | Multispotted goby |
| Sicydium nigrescens | Günther, 1880 | Sicyopterus stimpsoni | Gobiidae | Stimpson's goby |
| Sicydium obscurum | Temminck & Schlegel, 1845 | Tridentiger obscurus | Gobiidae | Dusky tripletooth goby |
| Sicydium parvei | Bleeker, 1853 | Sicyopterus parvei | Gobiidae | |
| Sicydium parvipinne | (Guichenot, 1863) | Cotylopus acutipinnis | Gobiidae | |
| Sicydium parvipinnis | (Guichenot, 1863) | Cotylopus acutipinnis | Gobiidae | |
| Sicydium pittieri | Regan, 1907 | Sicydium salvini | Gobiidae | |
| Sicydium plumieri | (Bloch, 1786) | Sicydium plumieri | Gobiidae | Sirajo |
| Sicydium pugnans | Ogilvie-Grant, 1884 | Sicyopterus pugnans | Gobiidae | |
| Sicydium punctatum | Perugia, 1896 | Sicydium punctatum | Gobiidae | Spotted algae-eating goby |
| Sicydium rosenbergii | (Boulenger, 1899) | Sicydium rosenbergii | Gobiidae | |
| Sicydium salvini | Ogilvie-Grant, 1884 | Sicydium salvini | Gobiidae | |
| Sicydium siragus | Poey, 1860 | Sicydium plumieri | Gobiidae | Sirajo |
| Sicydium stimpsoni | Gill, 1860 | Sicyopterus stimpsoni | Gobiidae | Stimpson's goby |
| Sicydium taeniurum | Günther, 1877 | Sicyopterus lagocephalus | Gobiidae | Red-tailed goby |
| Sicydium vincente | Jordan & Evermann, 1898 | Sicydium plumieri | Gobiidae | Sirajo |
| Sicydium wichmanni | Weber, 1894 | Sicyopterus wichmanni | Gobiidae | |
| Sicydium zosterophorum | Bleeker, 1856 | Sicyopus zosterophorus | Gobiidae |