Geodia barretti is a species of deep-sea sponge in the family Geodiidae, commonly found in cold-water ecosystems of the North Atlantic Ocean. This species thrives in nutrient-rich, cold-water environments and plays a crucial role in deep-sea ecosystems by filtering large volumes of water, contributing to nutrient cycling, and providing habitat for various marine organisms. Its unique adaptations to cold and high-pressure conditions make it an important subject for studying deep-sea biodiversity and ecological processes.