Black Chromis

The Black Chromis is a larger Chromis species characterized by its striking dark brown to black body contrasted with a bright yellow to white tail. This bold two-tone color pattern creates a distinctive and attractive appearance, particularly when a school of these fish moves together through the aquarium. Adults can reach up to 6 inches, making them one of the larger commonly kept Chromis species.

Found throughout the Indo-Pacific on outer reef slopes and lagoons, Black Chromis form aggregations in the water column where they feed on zooplankton carried by currents. They are often found in areas with moderate to strong water movement, using coral formations as shelter when threatened. Their natural hardiness and widespread distribution contribute to their availability and adaptability in captivity.

In the aquarium, Black Chromis are hardy and easy to care for, typical of the Chromis genus. Their larger adult size requires a more spacious tank of at least 75 gallons, especially when keeping a group. Maintain five or more individuals to promote natural schooling behavior and distribute any social hierarchy stress. They are completely reef-safe and their dramatic dark and yellow coloration provides an appealing contrast to the brighter colors of other reef fish in a mixed community.