I claim the ornamental design for a “retaining weight for configuring fish habitat,” as shown and described.
FIG. 1 is a top plan view of the retaining weight for configuring fish habitat, showing my new design;
FIG. 2 is a side elevational view thereof; it being understood that the opposite side is a mirror image, and the front and the rear views are the same as the side view;
FIG. 3 is a top plan view of the second embodiment of the retaining weight for configuring fish habitat;
FIG. 4 is a side elevational view of the second embodiment, it being understood that the opposite side is a mirror image, and the front and the rear views are the same as the side view;
FIG. 5 is a top plan view of the third embodiment of the retaining weight for configuring fish habitat;
FIG. 6 is a side elevational view of the third embodiment, it being understood that the opposite side is a mirror image, and the front and the rear views are the same as the side view; and,
FIG. 7 is the bottom view of the retaining weight for configuration fish habitat, it being understood the second and third embodiments have the same appearance.