Domino Damsel

Dascyllus trimaculatus

(1 Reviews)

Domino Damsel

Domino Damsel

Dascyllus trimaculatus

(1 Reviews)

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Domino Damsel Care Facts

Care Level: Easy
Temperament: Aggressive
Diet: Omnivore
Reef Safe: Yes
Minimum Tank Size: 30 gallons
Max Size: 6 inches
The Domino Damsel, Dascyllus trimaculatus, also known as the Three Spot Dascyllus, is characterized by the presence of three white spots imposed on a jet black body. Though the Domino Damsel is very hardy and can tolerate extreme tank conditions, they can sometimes be territorial in nature so it is advised to keep them singly, not in pairs, and introduce it to your tank last. However, they are completely reef safe and will not mess with any corals or inverts. Their omnivorous diet consists of various meaty foods, algae, and prepared flake and pellet foods. The Domino Damsel does best in a tank with plenty of live rock for grazing and hiding. They also should not be kept large species of damselfish or other large predatory fish. Overall, the Domino Damsel is an attractive damselfish that does well in smaller tanks, or can be a uniquely beneficial fish when transitioning a tank as they can survive extreme conditions. 

Domino Damselfish (Dascyllus trimaculatus): A Practical Guide for Saltwater Aquarium Enthusiasts

The Domino Damselfish, scientifically known as Dascyllus trimaculatus, is a resilient and captivating species that has found a place in the hearts of saltwater aquarium enthusiasts. This comprehensive guide offers practical insights into their habitat, care requirements, compatibility, and why acquiring them from is a prudent choice.

Habitat and Natural Environment: Exploring the Origins of Domino Damselfish


The Domino Damselfish, scientifically known as Dascyllus trimaculatus, is a resilient and captivating species that has found a place in the hearts of saltwater aquarium enthusiasts. Originating from the Indo-Pacific region, Domino Damselfish thrive in coral-rich environments, including reef flats and lagoons. Replicating their natural habitat in captivity involves incorporating live rock structures and providing ample open swimming spaces. This setup allows them to exhibit their natural behaviors, promoting their overall well-being.


Reef Compatibility and Behavior: Understanding the Behavior of Domino Damselfish


Known for their adaptability, Domino Damselfish are generally considered reef safe. However, their territorial nature may lead to aggression towards smaller or less assertive tank mates. To mitigate potential conflicts, it is advisable to monitor their interactions closely and provide hiding spaces for other tank inhabitants.


Size, Lifespan, and Sexual Dimorphism: Exploring the Characteristics of Domino Damselfish


With a typical size of around 3 inches, Domino Damselfish exhibit minimal sexual dimorphism. Under proper care, they can thrive for several years, adding a dynamic element to saltwater aquariums.


Diet in Captivity: Nourishing Your Domino Damselfish


Domino Damselfish are omnivores with a robust appetite. They readily accept high-quality marine pellets and flakes, supplemented with frozen or live brine shrimp and mysis shrimp. Providing a varied diet contributes to their overall health and vibrant coloration.


Aquaculture and Availability: Ensuring Responsible Sourcing prioritizes responsible sourcing, and Domino Damselfish available through our website are sourced from sustainable collectors and reputable aquaculture facilities. This ensures the availability of robust healthy fish and promotes sustainable practices in the marine aquarium hobby.


Tank Requirements: Creating the Perfect Home for Domino Damselfish


For optimal care, a minimum tank size of 30 gallons is recommended for Domino Damselfish. Incorporating live rock structures and open swimming spaces provides an environment that caters to their natural instincts. Maintaining stable water parameters, including a pH of 8.1-8.4, salinity between 1.020 and 1.025, and a water temperature of 74°F to 78°F, is essential for their well-being. Moderate water flow ensures a comfortable and healthy environment.


Juvenile to Adult Coloration Changes: Witnessing the Transformation of Domino Damselfish


Juvenile Domino Damselfish typically display a subdued coloration that intensifies as they mature. The transition to adulthood showcases their iconic black and white patterning, making them a visually striking choice for saltwater enthusiasts.


Compatible Tank Mates: Building a Community with Domino Damselfish


Creating a compatible community is vital for the well-being of Domino Damselfish. They coexist well with peaceful tank mates such as clownfish, gobies, and other damselfish species. Avoiding overly aggressive or territorial species contributes to a balanced aquarium environment.


Why Choose the Domino Damselfish from upholds stringent standards in sourcing and caring for marine life. Our Domino Damselfish undergo a meticulous quarantine process, ensuring they are disease-free and acclimated to aquarium life. By choosing, you invest in the health and vibrancy of your aquarium, contributing to responsible practices in the marine aquarium hobby. Purchase your Domino Damselfish with confidence, knowing you are acquiring a healthy and visually stunning specimen for your saltwater aquarium.

Really neat looking fish...I call him spot .. dark black with white spots which are the same on both sides.I usually like bright colors for my aquarium... but this fish is cool

Reviewed by: Sally Harper on Sept. 9, 2014

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