Gobiocypris is a monospecific genus of freshwater ray-finned fish belonging to the family Gobionidae, the gudgeons.

[2] The only species in this genus is Gobiocypris rarus, a fish endemic to China where it is only found near Jiuxiang in Sichuan province.

The minimum age of reproduction is 4 months.

Females reproduce during the months of March and November when temperatures are warmer.

Gobiocypris rarus can produce a large number of eggs, with a high hatching rate.