 Dormitator latifrons

The Pacific fat sleeper ("Dormitator latifrons") is a species of fish in the family Eleotridae found on the Pacific coast of the Americas from around Palos Verdes, California, to Peru, where it can be found in stagnant or sluggish fresh or brackish waters or nearby marine waters.Males of this species can reach a length of , while females grow to .Most do not exceed .