Golden Domino Damselfish

Golden Domino Damselfish
Latin name:
(Dascyllus cf auripinnis)

Care Level





Black, Yellow



Preferred Conditions

sg 1.020-1.025, 72-78° F, dKH 8-12, pH 8.1-8.4

Avg. Max Size


Minimum Tank Size

30 gallons


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In the realm of marine aquariums, the Golden Domino Damselfish stands out as a captivating species, captivating hobbyists with its vibrant hues and lively behavior. This guide delves into the fascinating world of Golden Domino Damselfish, providing insights into their unique characteristics, ideal habitat, and essential care requirements to ensure their well-being in captivity.

Golden Domino Damselfish: A Splash of Color in Your Aquarium

The Golden Domino Damselfish, scientifically known as Dascyllus auripinnis, is a small yet striking fish species native to the tropical waters of the Indo-Pacific region. These fish are renowned for their vibrant coloration, featuring a bright yellow body adorned with a series of black spots resembling dominoes, hence their common name. Their captivating appearance makes them a popular choice among aquarists seeking to add a splash of color and energy to their marine tanks.

Distinctive Features of Golden Domino Damselfish

  • Striking Coloration: Golden Domino Damselfish boasts a vibrant yellow body with bold black spots, creating a captivating visual display.
  • Small Size: These fish typically reach a maximum length of 3 inches, making them suitable for smaller marine aquariums.
  • Active Behavior: Golden Domino Damselfish are known for their lively and playful behavior, adding a dynamic element to the aquarium.
  • Hardy Nature: Compared to other damselfish species, Golden Domino Damselfish are relatively hardy and adaptable to aquarium conditions.

Creating an Ideal Habitat for Golden Domino Damselfish

To ensure the well-being and thriving of Golden Domino Damselfish in captivity, it is essential to provide them with an environment that closely resembles their natural habitat. Here are key considerations for creating an optimal habitat:

Tank Size and Setup

  • Minimum Tank Size: A 20-gallon aquarium is the recommended minimum size for a single Golden Domino Damselfish. For multiple fish, a larger tank is necessary.
  • Substrate: A sandy substrate is ideal, as it mimics their natural habitat and allows for burrowing behavior.
  • Live Rock: Incorporating live rock provides hiding places, grazing surfaces, and a natural filtration system.
  • Water Parameters: Maintain stable water conditions with a temperature range of 72-78°F, pH of 8.1-8.4, and specific gravity of 1.020-1.025.

Filtration and Water Quality

  • Filtration System: Invest in a reliable filtration system to ensure pristine water quality, removing waste and maintaining appropriate water parameters.
  • Regular Water Changes: Perform regular water changes of approximately 10-15% every two weeks to replenish essential minerals and remove accumulated waste.

Essential Care and Feeding Requirements

Providing proper care and nutrition is crucial for the health and longevity of Golden Domino Damselfish. Here are some key considerations:

Diet and Nutrition

  • Omnivorous Diet: Golden Domino Damselfish are omnivorous, requiring a varied diet consisting of live, frozen, and prepared foods.
  • Live Foods: Offer live foods such as brine shrimp, mysis shrimp, and amphipods to stimulate their natural feeding behavior.
  • Frozen Foods: Frozen foods like krill, squid, and chopped seafood are excellent alternatives to live foods.
  • Prepared Foods: High-quality prepared foods specifically designed for marine fish can also be offered as part of their diet.

General Care and Maintenance

  • Peaceful Tankmates: Golden Domino Damselfish are generally peaceful towards other fish, but it is best to avoid aggressive or territorial species.
  • Regular Monitoring: Keep a close eye on the health and behavior of your Golden Domino Damselfish to detect any signs of illness or stress.
  • Quarantine New Fish: Always quarantine new fish before introducing them to the main aquarium to prevent the spread of diseases.

FAQs for Aquarists

  1. Q: How many Golden Domino Damselfish can I keep in a 20-gallon aquarium?

    A: It is recommended to keep only one Golden Domino Damselfish in a 20-gallon aquarium due to their territorial nature.
  2. Q: What are some common diseases that affect Golden Domino Damselfish?

    A: Common diseases include ich, velvet, and marine ich. Maintaining good water quality and a healthy diet can help prevent these diseases.
  3. Q: Can Golden Domino Damselfish be kept with other fish species?

    A: Yes, Golden Domino Damselfish can be kept with other peaceful and non-aggressive fish species, such as clownfish, gobies, and wrasses.


The Golden Domino Damselfish is a captivating and vibrant addition to any marine aquarium. By providing them with an appropriate habitat, ensuring proper care, and meeting their dietary needs, aquarists can create a thriving environment for these fascinating fish. With their lively behavior and striking coloration, Golden Domino Damselfish are sure to bring joy and beauty to your underwater world.