They may also search along the ocean bottom. The discovery was made from high-resolution images of the ocean bottom. His loyal crew bury him at the ocean bottom. In shallow waters reflectance from other pigments, detritus, and the ocean bottom may cause inaccuracies. They may forage the surface, underwater or even the ocean bottom. This time the problem needed to be solved on the ocean bottom. However, the voyage to the ocean bottom is still a challenging experience. This number is decreased by more than 25 times with currents from ocean bottom storms. On the ocean bottom, sand dollars are frequently found together. Tharp's work revealed the detailed topography and multi-dimensional geographical landscape of the ocean bottom. The tanners' diet consist mostly of other ocean bottom crustaceans, clams and worms. The waste collects on the ocean bottom, damaging or eliminating bottom-dwelling life. In addition, activities that disturb the ocean bottom, such as trawling, may damage spawning habitat. Moored buoys are connected with the ocean bottom using either chains, nylon, or buoyant polypropylene.