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Flame Angelfish© Andreas März from Darmstadt, Germany / CC BY 2.0

Flame Angelfish

The Flame Angelfish is one of the most popular small angelfish in the marine aquarium hobby, prized for its fiery orange-red body marked with bold black vertical stripes. Reaching about 8 to 10 cm as an adult, it stays compact enough to suit a range of tank setups while still commanding attention. Active and always on the move, it responds well to feeding, though some individuals can be territorial toward similarly shaped or colored angelfish. Because it can be sensitive to shifts in water quality, this species is generally considered better suited to intermediate aquarists. With a lifespan of roughly 5 to 10 years, it can be a long-term companion in a well-maintained tank.

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About Flame Angelfish

Flame Angelfish: a fiery orange-red dwarf angelfish with black stripes, growing to 8–10 cm and living 5–10 years. Key traits, care basics, and buyer FAQs at a glance.

7 things to know before welcoming a Flame Angelfish

  1. 1Provide Hiding Spaces

    Flame Angelfish naturally like to retreat into crevices, so provide plenty of live rock with hiding spots. A secure environment helps reduce stress and keeps their vivid coloring at its best.

  2. 2Best Kept Alone

    Flame Angelfish can be territorial toward their own kind and similarly shaped or colored angelfish, sometimes leading to conflict when kept together. As a general rule, keep one per tank, and watch behavior closely if combining with other fish.

  3. 3Reef Compatibility Caution

    Some individuals are known to nip at LPS corals or the mantles of clams. If adding one to a reef tank, watch its behavior closely after introduction and be prepared to separate it if problems arise.

  4. 4Needs a Mature Tank

    Because this species can be sensitive to shifts in water quality, avoid adding it to a newly set-up, unstable tank — introduce it once biological filtration has stabilized. Take your time with a gradual acclimation process.

  5. 5Omnivorous Diet Needs

    In the wild, this species also grazes on algae, making it an omnivore. Combining prepared foods with marine algae-based and frozen foods helps maintain a well-rounded diet.

  6. 6Prepare Before Bringing Home

    Before bringing one home, arrange live rock for hiding spots, have water testing equipment ready, and confirm your tank is stable. If possible, consider a quarantine period of several weeks before introducing it to the main tank.

  7. 7Watch for Stress Signs

    Clamped fins, dulling color, or a reduced response to feeding can be early signs of stress or illness. Knowing your fish's normal swimming pattern and appetite makes it easier to notice changes.

Frequently asked questions about Flame Angelfish

Q.Can beginners keep a Flame Angelfish?
A.This species is generally considered suitable for intermediate aquarists, so it's best to have some experience managing water quality before getting one. Starting in a well-established, stable tank helps it settle in more easily.
Q.Can it be kept with other fish?
A.It's generally safest to keep one Flame Angelfish per tank, since it can be territorial toward its own kind or similarly shaped angelfish. If mixing with other species, introduce them gradually and monitor behavior closely.
Q.Can it live in a reef tank with corals?
A.Some individuals may nip at LPS corals or clam mantles, and compatibility varies by individual. If adding one to a reef tank, keep a close eye on its behavior after introduction.
Q.How big a tank does it need?
A.Adults reach about 8 to 10 cm and are active swimmers, so a tank with enough room for live rock hiding spots is well suited. Kept singly, it's a manageable size for most home aquariums.
Q.How long does a Flame Angelfish live?
A.With proper care, it can live around 5 to 10 years. Maintaining stable water quality is key to a long lifespan.

Useful tools for Flame Angelfish care

💧Aquarium Volume CalculatorCalculate water volume, weight, and heater wattage from tank dimensions🧪Water Quality CheckerFind compatible fish, shrimp, plants & corals based on pH, temperature & hardness🍽️Feeding GuideCheck feeding frequency, portion sizes & supplements by species and growth stage🤝Compatibility CheckerCheck compatibility between two species on a 5-level scale📊Fish Compatibility MatrixCheck fish compatibility at a glance with our matrix chart🔄Nitrogen Cycle GuideAuto-calculate bacteria colonization timeline for new tank cycling🗓️Seasonal Care CalendarMonthly care events and seasonal management tips at a glance🚿Water Change CalculatorAuto-calculate optimal water change frequency and volume by tank size and fish count🐠Stocking CalculatorCalculate max fish capacity for your tank size with overstocking alerts🏞️Tank Layout PlannerGet substrate, plant & hardscape suggestions based on tank size and style🧮Care Cost SimulatorEstimate initial, monthly & annual costs by category, care level and quantity⚖️Species Comparison ToolCompare two species side by side: care difficulty, size, lifespan & temperature🎯Pet Match DiagnosticAnswer 7 questions to find your top 3 perfect pets🚚Transport Safety CheckerCheck transport safety score and precautions by category, season, method and distance⏱️Quarantine & Acclimation TimerManage quarantine periods and acclimation steps with countdown timers. Includes recommended durations by species

Learn more about Flame Angelfish in the encyclopedia

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Care difficulty, lifespan, size and diet — all basics covered.

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