The ornamental design for a castleaquariumtank, as shown and described.
FIG. 1 is a perspective view of a first embodiment of a castle aquarium tank of the present invention;
FIG. 2 is a front view of the castle aquarium tank of FIG. 1;
FIG. 3 is a side view of the castle aquarium tank of FIG. 1;
FIG. 4 is a top view of the castle aquarium tank of FIG. 1; and,
FIG. 5 is a bottom view of the castle aquariim tank of FIG. 1.
The broken lines shown in the drawings are included for the purpose of illustrating portions of the castle aquarium tank and form no part of the claimed design.
The drawings represented in FIGS. 1-5 disclose the complete appearance of the design, as the back view is identical to the front view shown in FIG. 2, and the side view shown in FIG. 3 is identical on both the left and right sides.