Black and Gold Chromis

Neoglyphidodon nigroris

(1 Reviews)

Black and Gold Chromis

Black and Gold Chromis

Neoglyphidodon nigroris

(1 Reviews)

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Care Facts

Care Level: Easy
Temperament: Aggressive
Diet: Omnivore
Reef Safe: Yes
Minimum Tank Size: 30 gallons
Max Size: 5 inches

The Black and Gold Chromis is passive while in its juvenile stage, though can become aggressive or territorial when matured or in a bonded pair. 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 invertebrates present in the tank. The Black and Gold Chromis is omnivorous and feeds on 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 of 72-78 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. 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.

Black and Gold Chromis Habitat:

Black and Gold Chromis are native to the warm waters of the Indo-Pacific region. They are commonly found in reef environments, lagoons, and coastal areas with ample coral cover. They often inhabit branching corals in the wild and seek shelter in small crevices.

Does the Black and Gold Chromis Meet the Criteria for Reef Safe?

Black and Gold Chromis are considered reef safe, meaning they can coexist peacefully with various coral species and other invertebrates typically found in reef aquariums. However, it's crucial to note that they can become territorial and somewhat aggressive, especially during mating and defending their nesting sites. Therefore, careful observation and monitoring are essential when keeping them in a reef tank.

How Big Does the Black and Gold Chromis Get?:

These fish typically grow to a size of 2.5 to 3 inches (6.5 to 7.5 centimeters) in length when fully mature.

How Long Does the Black and Gold Chromis Live?

With proper care and a suitable environment, Black and Gold Chromis can live 5 to 7 years in captivity, making them a long-term addition to marine aquariums.

What Should You Feed the Black and Gold Chromis In Captivity?

Black and Gold Chromis are naturally omnivorous and primarily feed on a diet of zooplankton, algae, small invertebrates, and tiny crustaceans in the wild. To maintain their health and vibrant coloration in captivity, it is crucial to provide a balanced diet, which may include:

  • High-quality marine flake or pellet foods
  • Frozen or live foods such as brine shrimp, mysis shrimp, and copepods
  • Spirulina-based flakes or pellets to meet their herbivorous tendencies
Variety in their diet ensures they receive the essential nutrients they need for growth and vitality.

What's the Sexual Dimorphism Of the Black and Gold Chromis?

Black and Gold Chromis do not exhibit significant sexual dimorphism. Both males and females share similar physical characteristics and coloration.

Is the Black and Gold Chromis Symbiotic?

Black and Gold Chromis are known to form symbiotic relationships with various coral species in their natural habitat. They often seek shelter among the branches of branching corals, protecting themselves while benefiting the corals by potentially deterring coral predators.

Does the Black and Gold Chromis Change Color in Adulthood?

Juvenile Black and Gold Chromis exhibit a striking black body with vibrant yellow caudal fins (tail fins). As they mature into adults, their overall coloration may change to darker gray or black.

Is the Black and Gold Chromis Compatible With Other Fish?

When considering Black and Gold Chromis for your saltwater aquarium, assessing their compatibility with other tank inhabitants is essential to maintaining a peaceful and balanced community.

Temperament of the Black and Gold Chromis?

Black and Gold Chromis are known for their somewhat aggressive temperament, particularly during mating and territorial disputes. They can become territorial over their chosen nesting sites, and this behavior can escalate into aggressive interactions.

Suitable Tank Mates for the Black and Gold Chromis

Here are five compatible tank mates that can potentially coexist peacefully with Black and Gold Chromis:

  • Yellow Tang (Zebrasoma flavescens): These tangs are known for their bold colors and generally peaceful disposition. When introduced to the tank as juveniles, they can often coexist with Black and Gold Chromis.
  • Firefish Goby (Nemateleotris spp.): These slender, colorful gobies can share a tank with Black and Gold Chromis without significant issues.
  • Banggai Cardinalfish (Pterapogon kauderni): Known for their striking appearance, Banggai Cardinalfish can cohabit with Black and Gold Chromis, but careful observation is necessary to ensure compatibility.
  • Cleaner Shrimp (Lysmata amboinensis): These invertebrates can help maintain a clean and healthy aquarium environment.
  • Coral Species: Various coral species can potentially coexist with Black and Gold Chromis, provided there's enough space and proper care to ensure the health of the fish and corals.

Tank Requirements for the Black and Gold Chromis

Creating an ideal environment is crucial for the well-being of Black and Gold Chromis. Here are some essential tank requirements:

  • Minimum Tank Size: A tank with a capacity of at least 30 gallons is recommended to provide enough swimming space and minimize territorial disputes.
  • Aquascaping: Ensure the tank includes ample hiding places and live rock structures to mimic their natural habitat.
  • Lighting: Moderate to high-intensity lighting is preferred to support any photosynthetic organisms in the tank.

Water Conditions for the Black and Gold Chromis

Maintain stable water conditions with the following parameters:

  • pH: 8.1 to 8.4
  • Salinity: 1.020 to 1.025
  • Water Temperature: 74°F to 82°F (23°C to 28°C)
  • Water Flow: Moderate water movement is suitable but provide areas of calmer water to accommodate their needs.

Why People Should Buy the Black and Gold Chromis from

Purchasing Black and Gold Chromis from ensures you are sourcing these fish from a reputable and responsible supplier. The platform prioritizes the well-being of marine life and provides high-quality specimens that have been adequately cared for. Additionally, by supporting ethical suppliers like, you contribute to the sustainability of the aquatic aquarium hobby.

The Black and Gold Chromis (Neoglyphidodon nigroris) is a captivating addition to saltwater marine aquariums, known for its striking coloration and dynamic behavior. With proper care, these fish can thrive in a well-maintained tank environment. However, it's essential to consider their somewhat aggressive nature and potential territorial behavior when selecting tank mates. By sourcing them from reputable suppliers like, you ensure the ethical acquisition of these beautiful fish for your marine aquarium.

An awesome little beautiful Black and Gold Chromis who peacefully explores my large reef tank's caves. Almost always visible and active.

Reviewed by: Rick Ellison on Sept. 12, 2021

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