Quick Stats for 3 Stripe Damsel (Dascyllus aruanus)

• Care Level: Easy
• Temperament: Aggressive
• Diet: Carnivore
• Reef Safe: No
• Minimum Tank Size: 30 gallons
• Max Size: 3 inches
• Water Parameters: Temperature: 72-78°F, pH: 8.1-8.4, Salinity: 1.020-1.025

Comprehensive Guide: 3 Stripe Damsel (Dascyllus aruanus)

The 3 Stripe Damsel, or Dascyllus aruanus, is a popular saltwater aquarium fish. Here is a detailed guide on keeping this species:

Habitat

The 3 Stripe Damsel is found in the Indo-Pacific region, particularly in coral reefs and lagoons. They prefer areas with plenty of hiding spots and live rock.

Reef Safe

The 3 Stripe Damsel is not considered reef safe. They may nip at corals and other invertebrates in the aquarium.

Size

The 3 Stripe Damsel can grow up to 3 inches long.

Temperament

This species is known for its aggressive behavior, especially towards other fish. They may become territorial and harass tankmates.

Sexual Dimorphism

There are no noticeable differences in appearance between males and females.

Lifespan

The average lifespan of the 3 Stripe Damsel is around 5 years with proper care.

Diet in Aquariums

These damsels are carnivores and should be fed a varied diet of high-quality pellets, frozen foods, and live foods like brine or mysis shrimp.

Aquascaping Recommendations

Provide plenty of hiding spots and caves using live rock or artificial structures. This will help create territories and reduce aggression.

Captive Bred Availability

The 3 Stripe Damsel is commonly available as captive-bred specimens, which are generally hardier and more adaptable to aquarium conditions.

Compatibility with Tankmates

The 3 Stripe Damsel is best kept in a species-only tank or with other aggressive fish. They are not suitable for community tanks. Here are 5 specific tankmates that can be considered:

1. Yellowtail Damsel (Chrysiptera parasema) – Similar in size and aggression, can coexist in a larger tank.
2. Black Clownfish (Amphiprion percula) – Compatible due to similar aggression levels and habitat preferences.
3. Firefish (Nemateleotris magnifica) – Peaceful fish that can coexist if introduced first.
4. Royal Gramma (Gramma loreto) – Compatible due to different swimming levels and non-aggressive behavior.
5. Green Chromis (Chromis viridis) – Can form a schooling behavior with the 3 Stripe Damsel, reducing aggression.

Other Common Names

The 3 Stripe Damsel is also known as Humbug Dascyllus or Three Stripe Damselfish.

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Popular Questions and Answers for 3 Stripe Damsels (Dascyllus aruanus) in Saltwater Aquariums

1. Can the 3 Stripe Damsel be kept in a reef tank?

No, the 3 Stripe Damsel is not considered reef safe as they may nip at corals and other invertebrates.

2. How large of a tank is suitable for the 3 Stripe Damsel?

A minimum tank size of 30 gallons is recommended to provide enough space for their territorial behavior.

3. What is the ideal water temperature for the 3 Stripe Damsel?

The water temperature should be maintained between 72-78°F.

4. Can the 3 Stripe Damsel be kept with peaceful fish?

No, the 3 Stripe Damsel is aggressive and may harass peaceful tankmates. Keeping them with other aggressive fish or in a species-only tank is best.

5. How long do 3 Stripe Damsels typically live?

With proper care, the average lifespan of the 3 Stripe Damsel is around 5 years.