Sleeper goby may refer to three families of goby formerly classified as part of the single family Eleotridae, and a genus from the family Gobiidae: Milyeringidae, a family of Gobiiform cave fish from Western Australia and Madagascar Butidae, an Old World family of gobies Eleotridae, a widespread family also which in its widest sense were known as "sleeper gobies" Valenciennea, a genus of small, bottom-dwelling fish in the family Gobiidae