An aquarium detritus removal and filtration system of the present invention is different from the conventional aquarium filtration system which are not able to deliver detritus settle in an aquarium bottom right to a lift pump for removal. The present invention is mainly comprised of a flow generating device, a flow guiding structure, a screen plate and a lift pump. The flow generating device generate directed flows across the bottom of the aquarium and the flow guiding structure guide these directed flows right to the inlet of a lift pump, so that the lift pump can in take water containing all detritus in the aquarium and deliver these water to a filtering device for filtration
