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:
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Milyeringidae, a family of Gobiiform cave fish from Western Australia and Madagascar
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Butidae, an Old World family of gobies
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Eleotridae, a widespread family also which in its widest sense were known as "sleeper gobies"
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Valenciennea, a genus of small, bottom-dwelling fish in the family Gobiidae