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Herald's angelfish© seastung / CC BY-SA 4.0

Herald's angelfish

Herald's angelfish is a small dwarf angelfish of the genus Centropyge, covered in bright, uniform yellow. Behind the eye there is a dark olive patch scattered with yellow dots. It looks very similar to the lemonpeel angelfish, but it lacks the blue outline around the eye and along the fin edges. It reaches a maximum of 12 cm, so it fits in a home reef or fish tank, though like other dwarf angels it can be territorial. It is rated for intermediate keepers, so it is best to prepare a stable tank before bringing one home.

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Herald's angelfish key facts

Care level
Intermediate
Lifespan
Little data available
Size
Up to 12 cm TL (FishBase)
Temperature
22〜27℃
Diet
Omnivore (mainly algae)
Water Temperature & Quality
22-27°C, specific gravity 1.020-1.027 (Saltcorner). Add it only to a well-established, stable tank.
Container & Tank
At least about 190 L (50 gallons). Provide plenty of live rock for grazing and hiding. It becomes aggressive in small tanks.
Tank Mates & Compatibility
Keep only one Centropyge species per tank.
Reef Compatibility
It may nip LPS corals, some soft corals such as zoanthids, and clam mantles, so it is reef-safe only with caution.
Diet & Feeding
An algae grazer in the wild. Combine algae-based foods such as spirulina and seaweed with frozen brine shrimp and mysis.
Health & Cautions
It has cheek spines that snag in nets, so move it with a container rather than a net. Check for the absence of blue eye rings to avoid confusion with the lemonpeel.
TraitsAngelfishYellowDwarf angelfishHerald's angelfish

About Herald's angelfish

Herald's angelfish is a small, all-yellow dwarf angel reaching up to 12 cm and rated for intermediate keepers. Learn how to tell it from the lemonpeel and what to know before bringing one home.

7 things to know before welcoming a Herald's angelfish

  1. 1Lemonpeel Look-Alike

    The easiest way to separate it from the lemonpeel angelfish is the blue outline around the eye and along the fin edges. Herald's angelfish has no such blue outline, and it has a dark olive patch with yellow dots behind the eye. Checking these points in photos or in person before you buy helps you avoid mixing the two up.

  2. 2Size and Tank Setup

    Adults are small, up to 12 cm, but they patrol a territory, so provide a tank with generous water volume and plenty of hiding places. A complex rockwork of live rock helps the fish settle in. Angelfish can jump when startled, so keep the tank covered.

  3. 3Intermediate Level

    This species is rated for intermediate keepers, so stable water quality and daily observation are essential. If you are new to marine fish, it is safer to get comfortable with setting up a tank and managing water quality first.

  4. 4Temperament and Tankmates

    Like other angelfish, it is territorial and can be aggressive toward other angelfish and fish of a similar body shape. If you plan to keep it with other fish, consider compatibility with existing residents and the size of the tank, and watch how they get along.

  5. 5Feeding Habits

    Angelfish naturally graze on algae and other small food on rock surfaces, and you will often see this behavior in the tank. How readily each fish accepts prepared or frozen foods varies, so ask the breeder about its current feeding status before you bring it home.

  6. 6Living with Corals

    Some dwarf angelfish nip at corals and clam mantles, so take care when adding one to a reef tank. How much a fish nips can vary with the individual and the tank conditions, so watch it closely if you have corals you value.

  7. 7Quarantine and Health

    Newly acquired marine fish can come down with parasitic diseases such as white spot disease when stressed by a change in environment. Keeping the fish in a separate quarantine tank for a period of observation before moving it to the main tank makes it easier to avoid passing problems to existing fish.

Frequently asked questions about Herald's angelfish

Q.Can a beginner keep it?
A.It is rated for intermediate keepers. If you are new to marine fish, it is safer to get used to water quality management first. Talking with the breeder about tank conditions and feeding is also a good idea.
Q.How large does it grow?
A.It reaches a maximum total length of 12 cm according to FishBase. It is small, but it is territorial, so give it a tank with some room to spare.
Q.How do I tell it from a lemonpeel?
A.The lemonpeel has a blue outline around the eye and along the fin edges, while Herald's angelfish does not. The dark olive patch with yellow dots behind the eye is another useful marker.
Q.How long does it live?
A.Reliable information on its lifespan is limited, so a clear number of years is not known. Plan for a long commitment and set up a tank where water quality and feeding can be kept stable.
Q.Can it live with other fish and corals?
A.It is territorial, so compatibility with other angelfish and similarly shaped fish needs care. It may also nip at corals, so consider the tank size and the combination of animals, and introduce tankmates while watching closely.

Useful tools for Herald's 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 Herald's angelfish in the encyclopedia

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

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