Brine pools are bodies of water with a high concentration of salt, making them denser than regular seawater. These pools often form in coastal areas or beneath the ocean floor, where salt deposits can accumulate. The high salinity creates a unique environment that supports specialized organisms, such as certain types of bacteria and shrimp, which can thrive in these extreme conditions. Due to their density, brine pools can create distinct layers in the water column, preventing mixing with surrounding seawater. This stratification leads to unique ecosystems and can also affect local marine life. Scientists study brine pools to understand their impact on ocean chemistry and biodiversity, as well as their role in the marine ecosystem.