The water bodies located between 35 degree to 42 degree northern and southern latitudes in the regions of winter sub-tropical convergence are called the central water bodies. These water bodies are usually found between the equator and poles. In these water bodies, the amount of temperature and salinity on the surface decreases in the direction of high latitudes, but the density increases. The thickness of these water bodies is not much. Their maximum depth is found at 900 meters in Sargasso Sea.