The Black and Gold Chromis is passive and is not territorial or aggressive towards other tank inhabitants. Since it is very easy to handle, the Black and Gold Chromis makes a very good choice for any novice aquarists. It is an excellent reef compatible fish and never bothers any invertebrates present in the tank. The Black and Gold Chromis is basically omnivore and feeds accept a wide variety of prepared foods such as live or frozen brine shrimp, plankton, mysis shrimp, green algae, flake. It thrives well in a temperature range of72-78 degrees Fahrenheit, and pH of 8.1-8.4. We advise you to keep your aquarium decorated with lots of rock work and hiding place, to provide them a plenty of space to swim freely. It looks very interesting when it swims over and around the rocks. The Black and Gold Chromis should be kept in a tank not less than 30 gallon. The Black and Gold Chromis is also commonly known as the Bicolor Blackmouth Chromis, Blackmouth Chromis, Blackmouth Damselfish, or Behn's Damselfish. It shows beautiful yellow colored body along with two horizontal black bars, and as it matures, it changes its color to brown.