Sicydiinae

The Sicydiinae are a small subfamily (about 118 species) of freshwater gobies, with only nine genera. They are usually found in fast-moving mountain streams in tropical islands. They are characterized by highly developed rounded suction discs and an amphidromous lifecycle. Adult lengths range from 2 to 15 cm. Some species are popular in the aquarium trade. The genera included under Sicydiinae are:


 * Akihito Watson, Keith, and Marquet, 2007
 * Cotylopus Guichenot, 1863
 * Lentipes Günther, 1861
 * Parasicydium Risch, 1980
 * Sicyopterus Gill, 1860
 * Sicyopus Gill, 1863
 * Stiphodon Weber, 1895
 * Sicydium Cuvier & Valenciennes, 1837