Oceanic abysses, also known as deeps, are the deepest parts of the ocean floor. They are located in the ocean basins and can reach depths of up to 11 kilometers. These areas are characterized by extreme pressure, darkness, and cold temperatures. They are home to a variety of unique species that have adapted to the harsh environment. Oceanic abysses are an important part of the global ocean ecosystem and play a vital role in regulating the Earth's climate.