Aquarists are individuals who maintain and care for aquatic environments, such as fish tanks or aquariums. They are responsible for ensuring the health and well-being of the aquatic life within these systems, which can include fish, plants, and invertebrates. Aquarists often monitor water quality, temperature, and other conditions to create a suitable habitat for the organisms they keep. Many aquarists are hobbyists who enjoy creating beautiful underwater displays, while others may work professionally in settings like public aquariums or marine research facilities. They often have a deep understanding of aquatic ecosystems and the specific needs of different species, making them essential for successful aquarium management.