Black and Gold Chromis

Neoglyphidodon nigroris


(3 Reviews)

Black and Gold Chromis
With its striking jet-black body and yellow stripes, the Black and Gold Chromis is a standout in any saltwater aquarium. It's known for being hardy and easy to care for, making it an ideal choice for both beginner and experienced hobbyists.

Black and Gold Chromis

Neoglyphidodon nigroris


(3 Reviews)

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Black and Gold Chromis Care Facts

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

Black and Gold Chromis

The Black and Gold Chromis (Neoglyphidodon nigroris), also known as the Bicolor Blackmouth Chromis, Blackmouth Chromis, Blackmouth Damselfish, or Behn's Damselfish, originates from the Indo-Pacific region, typically inhabiting reef environments and coastal areas with branching corals. As juveniles, they exhibit a peaceful temperament, but can become aggressive or territorial as adults, making them suitable for novice aquarists in tanks of at least 30 gallons with ample hiding places. Reef safe and omnivorous, they sport a yellow body with two horizontal black bars, which may darken as they mature. With a lifespan of 5 to 7 years and a size ranging from 2.5 to 3 inches, they thrive in temperatures of 72-78°F and pH of 8.1-8.4, while being compatible with tank mates like Yellow Tangs, Firefish Gobies, Banggai Cardinalfish, Cleaner Shrimp, and various coral species, provided proper care and observation are ensured. Purchasing from reputable suppliers like Saltwaterfish.com guarantees the ethical acquisition of these vibrant additions to marine aquariums.

Habitat:

The Black and Gold Chromis species originates from the Indo-Pacific's balmy waters and typically inhabits coral-filled coastal regions and lagoons. They have a tendency to dwell within crevices and on the branches of coral formations in the wild..

Reef Safe:

The Black and Gold Chromis have been deemed reef safe as they are capable of coexisting harmoniously with different coral species and other invertebrates that are commonly found in reef aquariums. However, it is crucial to take note that they can exhibit territorial and aggressive behavior, particularly when they are in the process of mating or defending their nesting sites. For this reason, it is important to exercise careful observation and monitoring when keeping them in a reef tank.

Size and Lifespan

When fully mature, Black and Gold Chromis usually reach a length of 2.5 to 3 inches (6.5 to 7.5 centimeters). With adequate care and an appropriate setting, they can live up to 5 to 7 years in captivity, making them a viable and long-lasting addition to marine aquariums.

Diet in Captivity:

Black and Gold Chromis have an omnivorous nature and mostly subsist on zooplankton, small invertebrates, algae, and minute crustaceans in their natural habitat. For them to stay healthy and maintain their vivid hues while in captivity, it is crucial to give them a balanced diet, which can consist of:

● High-quality marine flake or pellet food.

● Frozen or live foods such as copepods, brine shrimp, and mysis shrimp.

● Spirulina-based flakes or pellets that cater to their herbivorous preferences.

Ensuring variety in their meals guarantees they obtain all the essential nutrients necessary for growth and overall vitality.

Sexual Dimorphism:

There is no notable distinction between male and female Black and Gold Chromis when it comes to their physical traits and coloring. They both share similar characteristics without any noticeable differences.

Symbiotic Relationships:

In their natural environment, Black and Gold Chromis have been observed to engage in symbiosis with different coral species. These fish typically take refuge in the branching corals, where they not only protect themselves but also offer the corals potential defense against predators.

Juvenile vs. Adult Coloration:

The young Black and Gold Chromis possess an impressive black physique highlighted by a splendid yellow caudal fin. However, as they age and develop into adults, their physical appearance may alter to a darker gray or black coloration.

Compatibility & Temperament

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. It’s important to monitor their interactions with their tank mates.

Suitable Tank Mates:

Compatible Tank Mates include:

Tank Requirements:

There are several critical tank requirements that must be met for the Black and Gold Chromis, including a minimum tank size of 30 gallons, which provides ample space for swimming and minimizes territorial conflicts. Aquascaping should include ample hiding spots and live rock formations that replicate their natural habitat.

Moderate to high-intensity lighting is recommended to support photosynthetic organisms within the tank. It is essential to maintain stable water conditions, with a pH range of 8.1 to 8.4, salinity between 1.020 to 1.025, and a water temperature of 74°F to 82°F (23°C to 28°C).

Provide moderate water movement while accommodating the Chromis' need for areas of calm water. Following these requirements ensures a safe and healthy environment for your Black and Gold Chromis.

Nice and healthy when received


Reviewed by: Richard Kenney on May 6, 2024


Reviewed by: Rajesh Rethnam on April 2, 2024

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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