We claim the ornamental design for an aquarium light, as shown and described.
FIG. 1 is a perspective view of an aquarium light embodying the new design.
FIG. 2 is a side view of the aquarium light embodying the new design.
FIG. 3 is a bottom perspective view of the aquarium light embodying the new design.
FIG. 4 is a top perspective view of the aquarium light embodying the new design.
FIG. 5 is a bottom view of the aquarium light embodying the new design.
FIG. 6 is a front view of the aquarium light embodying the new design; and,
FIG. 7 is a top view of the aquarium light embodying the new design.
The broken lines illustrating the aquarium are for the purpose of illustrating an environmental structure that forms no part of the claimed design, and other broken lines illustrate portions of the aquarium light that form no part of the claimed design.