A device for attracting fish includes a phosphorescent element for providing illumination of a fish habitat and a connecting means for connecting the element to a fixed base outside the fish habitat. Each of the planetary gear sets includes first, second and third members. A mask file identifies pixels of a graphic piece to merge with pixels of the image. a camming sleeve and Bellville spring washers which provide the surge reduction tool with a more predictable release pressure than has heretofore been available, 3. In addition, the raised elements may be located on a section so as to cover a predetermined length of wall when secured thereto.