The ornamental design for an aquariumassembly, as shown and described.
FIG. 1 is a first top perspective view of an aquarium assembly of the invention;
FIG. 2 is a second top perspective view of the aquarium assembly rotated clockwise 90° with respect to FIG. 1;
FIG. 3 is a bottom perspective view of the aquarium assembly rotated clockwise 180° with respect to FIG. 1;
FIG. 4 is a front elevational view of the aquarium assembly;
FIG. 5 is a rear elevational view of the aquarium assembly;
FIG. 6 is a right side elevational view of the aquarium assembly;
FIG. 7 is a left side elevational view of the aquarium assembly;
FIG. 8 is a top plan view of the aquarium assembly;
FIG. 9 is a bottom plan view of the aquarium assembly; and,
FIG. 10 is a cross-sectional view of the aquarium assembly taken generally along line 10-10 of FIG. 8 illustrating an aquarium positioned inside a housing.