See text The Sicydiinae are a small subfamily (about 118 species) of freshwater gobies, with only nine genera.

[1] 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 (0.79 to 5.91 in).

[2][3][4] Some species are popular in the aquarium trade.