Domino Damsel
Dascyllus trimaculatus
Original price was: $19.99.$10.99Current price is: $10.99.
| Stock | Variations | Price | Quantity | |
|---|---|---|---|---|
| Out of Stock | 1" or smaller - Indo-Pacific | Original price was: $11.99.$5.99Current price is: $5.99. | Email me | |
| In Stock | 1 - 2" - Indo-Pacific | Original price was: $19.99.$10.99Current price is: $10.99. |
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Full guarantee terms →Ships Monday – Thursday for next-day arrival at your nearest FedEx Hold location — typically ready by 9 AM. We monitor every delivery.
Shipping details →
Monday – Friday 8 AM – 9 PM
Saturday 12 PM – 4 PM
Sunday 12 PM – 9 PM
Healthy, stable animals from vetted suppliers — inspected before packing, shipped overnight. Decades of experience built this model so we can deliver premium livestock at 30%+ less than you'd pay elsewhere.
| Care Level | Beginner |
|---|---|
| Temperament | Aggressive |
| Reef Safe | Yes |
| Functional Benefit | Ornamental Only |
| Diet Type | Omnivore |
| Mininum Tank Size | 55 gallons |
| Max Size | 6 inches |
| Temperature | 72–78°F |
| pH Range | 8.1–8.4 |
| Specific Gravity | 1.022–1.025 |
The Domino Damsel (Dascyllus trimaculatus), also called the three-spot damsel, is a dark damselfish marked with contrasting pale spots that stand out under reef lighting. It’s a common Indo-Pacific reef species that tends to claim a favorite section of rockwork and stay close to it.
What You’ll Observe:
- Patrolling a chosen rock or coral head, with quick darting loops into open water
- Consistently bold “first to the food” behavior once it learns your feeding routine
- Hovering and backing into crevices, then reappearing to cruise the same route
- Occasional “hosting” behavior around a preferred shelter area, especially when young
To help this fish settle in smoothly, provide plenty of rockwork with multiple caves so it can pick a home base and still move through the aquascape. In mixed community setups, it does best when introduced after more peaceful fish are already established. Offer a varied mix of meaty and algae-based foods in small portions for steady, confident feeding.
Why did my Domino Damsel’s spots fade or its body turn gray/white?
As they mature, some individuals naturally shift in overall shade and the contrast of the spots can reduce; pattern intensity can also vary by origin.
Will a Domino Damsel host an anemone like a clownfish?
Juveniles are known to associate with anemones in nature, and some individuals will adopt an anemone (or a similar “safe spot”) in aquariums, but it isn’t a requirement.
Can I keep two Domino Damsels together long term?
Long-term, most hobbyists have the most consistency with a single fish or an established pair; if attempting multiples, starting with small juveniles added together is the usual approach.
What’s the least disruptive way to move one to another tank?
An in-tank fish trap is often the smoothest method—leave the trap in place so it becomes “normal,” then bait it during a regular feeding window.
Is it normal for a new Domino Damsel to hide at first and then become very outgoing?
Yes—once it recognizes cover locations and learns the tank’s feeding rhythm, it commonly transitions into a very visible, routine-driven swimmer.
Shipped with pure oxygen and temperature control so it arrives stress-free and ready to eat.
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