The ornamental design for an aquaponicsystem, as shown and described.
FIG. 1 is a front isometric view of an aquaponic system according to our new design;
FIG. 2 is a rear isometric view of the aquaponic system shown in FIG. 1;
FIG. 3 is a front elevational view of the aquaponic system shown in FIG. 1;
FIG. 4 is a rear elevational view of the aquaponic system shown in FIG. 1;
FIG. 5 is a left side elevational view of the aquaponic system shown in FIG. 1;
FIG. 6 is a right side elevational view of the aquaponic system shown in FIG. 1; and,
FIG. 7 is a top plan view of the aquaponic system shown in FIG. 1.
The dashed broken lines in the drawings show portions of the aquaponics system that form no part of the claimed design. The dash-dot-dot broken lines show boundaries of the claimed design and form no part thereof.