Substrate for Coral Restoration

FIG. 1 is a perspective view of a substrate for coral restoration, showing our new design; FIG. 2 is a front elevational view thereof; FIG. 3 is a rear elevational view thereof; FIG. 4 is a top plan view thereof; FIG. 5 is a bottom plan view thereof; FIG. 6 is a right side elevational view thereof; FIG. 7 is a left side elevational view thereof; and, FIG. 8 is a reference view showing an in-use state thereof. The dashed broken lines show portions of the substrate for coral restoration that form no part of the claimed design.