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Pearlscale Angelfish© Rickard Zerpe / CC BY 2.0

Pearlscale Angelfish

The Pearlscale Angelfish is a modest but elegant small angelfish, its pale grayish-brown body deepening to black toward the tail while the center of each scale gleams white. Thin blue trim along the dorsal and anal fins adds a quiet accent to an otherwise understated color pattern. It's a hardy fish found along the coasts of southern Japan, feeds readily, and tends to settle into tank life with a calm, unhurried temperament. Reaching a maximum size of only about 12cm, it never grows large enough to strain most tank setups. Among angelfish it's a subtle presence, but its refined, low-key beauty has won over plenty of aquarists — a hardy species generally recommended for intermediate keepers.

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Pearlscale Angelfish key facts

Care level
Intermediate
Lifespan
5-10 years
Size
Up to about 12cm
Temperature
22〜26℃
Diet
Marine algae and spirulina, angelfish pellets, frozen mysis and brine shrimp, sponge-based foods
Notes
Sensitive to abrupt parameter changes and chemicals; acclimate carefully. Tolerates copper poorly.
Container & Tank
265L or larger, well established; grazing algae from live rock is key to long-term health.
Water Temperature & Quality
22-26C, pH 8.1-8.3, SG 1.020-1.025.
Diet & Feeding
Algae and spirulina first, plus pellets, frozen mysis and brine shrimp and sponge-based foods.
Tank Mates & Compatibility
Semi-aggressive; may nip corals and clams. Mix with other dwarf angels only in large tanks with careful species choice.
TraitsDwarf angelfishJapanese watersHardyMarine fish

About Pearlscale Angelfish

The Pearlscale Angelfish is a small, elegant angelfish with a grayish-brown body, pearly white-centered scales, and blue-edged fins. Reaching up to 12cm, this hardy species is a good feeder suited to intermediate marine aquarists.

7 things to know before welcoming a Pearlscale Angelfish

  1. 1Territorial with Its Own Kind

    Pearlscale Angelfish and other dwarf angelfish species tend to be territorial toward their own kind and similar-looking relatives. If you're keeping more than one angelfish in a tank, provide plenty of live rock for hiding spots and introduce new fish carefully, watching how they interact with existing residents.

  2. 2Give It Places to Hide

    This species likes to duck into crevices and shadows, so a rockscape with plenty of nooks helps it settle in. It's not unusual for a newly introduced fish to stay tucked away out of sight until it grows comfortable with its surroundings.

  3. 3A Good Eater by Nature

    As the reference data suggests, this fish generally takes to prepared and frozen foods without much trouble. In the wild it also grazes on algae and small organisms on rock surfaces, so algae growing on live rock becomes a natural part of its diet too.

  4. 4Coral Compatibility Caution

    Like many angelfish, individuals can sometimes nip at corals or anemones. If you're keeping one in a reef tank, watch its behavior closely after introduction and adjust the layout if you notice any damage.

  5. 5Watch Water Quality

    As with any marine fish, sudden shifts in water quality can affect its health. Take care with acclimation when introducing a new fish, and keep up with regular water testing to help it stay healthy.

  6. 6Sized for a Modest Tank

    The Pearlscale Angelfish stays small, reaching only about 12cm at most. It doesn't need the swimming room a larger fish would, but make sure the tank still has enough space and rockwork for it to find shelter.

  7. 7Prepare the Tank First

    Before bringing a marine fish home, it helps to have the tank's biological filtration and live rock already established. When choosing an individual, look closely at its color and the way it swims to help pick out a healthy fish.

Frequently asked questions about Pearlscale Angelfish

Q.Is this angelfish suitable for beginners?
A.The Pearlscale Angelfish is generally considered a species for intermediate keepers rather than complete beginners. It's a hardy fish that feeds well, but having some grounding in water quality management and tankmate compatibility for marine fish will make the experience go more smoothly.
Q.Can it be kept with other angelfish?
A.Angelfish of the same or similar-looking species tend to be territorial toward each other. If you want to keep more than one, use a larger tank, provide plenty of hiding spots, and introduce them gradually while watching how they get along.
Q.Is it safe to keep in a reef tank with corals?
A.Some individuals may nip at corals or anemones. Watch its behavior closely after adding it to a reef tank, and reconsider the setup if you notice any damage to your corals.
Q.How large does it grow?
A.This is a small angelfish that reaches a maximum of about 12cm. It needs less swimming space than a larger fish, but the tank should still have enough room and rockwork to give it somewhere to shelter.
Q.Are there any legal restrictions on keeping it?
A.The Pearlscale Angelfish is not subject to CITES. Keep this in mind as background information when considering keeping this species.

Useful tools for Pearlscale 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 Pearlscale Angelfish in the encyclopedia

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

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