Ecological Aquarium

Fig. 1 . 1 is a perspective view of a first embodiment of an ecological aquarium showing the design;

Fig. 1 . 2 is a front elevational thereof, wherein the rear elevational view is a mirror image thereof;

Fig. 1 . 3 is a left side view thereof, wherein the right elevational view is a mirror image thereof;

Fig. 1 . 4 is a top plan view thereof;

Fig. 2 . 1 is a perspective view of a second embodiment of an ecological aquarium showing the design;

Fig. 2 . 2 is a front elevational thereof, wherein the rear elevational view is a mirror image thereof;

Fig. 2 . 3 is a left side view thereof, wherein the right side view is a mirror image thereof; and

Fig. 2 . 4 is a top plan view thereof.

The broken lines form no part of the claimed designs.