Green Chromis, Chromis viridis is a popular aquarium schooling fish originating in the Indian & Pacific Oceans. Its green body is sometimes highlighted by blue or yellow tones, depending on lighting and other conditions. As is typical with many fish of its family, its colors may be somewhat less distinct as the fish ages. The Chromis genus are omnivores that thrive with a variety of prepared and frozen foods. This hardy and reef safe schooling fish will swim actively at all levels of the aquarium. The Green Chromis is generally peaceful (possibly a little more aggressive as an adult), but is still a great fish for aquarists of all experience levels.