Aquarium scenic filter in fish tank

Claim 1

In an aquarium scenic filter for a fish tank, the combination of a hollow base, an upstanding filter container supported by said base, and a removable end cap upon a top of said container, said hollow base consists of a top wall integral with downward side and end walls forming a base chamber, said top wall being perforated throughout its entire area with small openings, and a upper side of saId top wall being contoured to resemble a bottom of a sea, lake or river and being accordingly colored, said container contains a vessel filled with layers of charcoal and fiberglass, a water pump within a lower end of said container being connected to a tube which at its other end is connected to an upper position of said container in order to pour pumped water upon said filter containing vessel, wherein an air vent tube is connected to an intermediate portion of said tube so that air is merged with said water, wherein L-shaped projections integral with an outside side of said container each includes a radially inward arm for bearing down upon a circular plate of said end cap, said plate including peripheral notches to clear said arms when being vertically placed upon said container and prior to being rotated under said arms, wherein an electric motor is mounted upon said end cap plate, a disengagable motor shaft of said motor extending downwardly through a central tube integral with said vessel, and a lower end of said shaft being connected to a water impeller of said pump.