Rhodobacter is a genus of bacteria that belongs to the family Rhodobacteraceae. These bacteria are primarily found in aquatic environments, including both freshwater and marine ecosystems. They are known for their ability to perform photosynthesis, using light energy to convert carbon dioxide and water into organic compounds. This process contributes to the overall productivity of their habitats. In addition to photosynthesis, some species of Rhodobacter can also utilize organic compounds for energy, making them versatile in their metabolic capabilities. They play a significant role in nutrient cycling and can be involved in the degradation of pollutants, highlighting their importance in environmental health and sustainability.