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Pearl Cichlid© Cezary Porycki / CC BY 3.0

Pearl Cichlid

The Pearl Cichlid (Geophagus brasiliensis) is a robust South American cichlid from the coastal rivers of southeastern Brazil, its olive-brown body scattered with pearly blue-white flecks. Unlike many of its Geophagus relatives, it doesn't require soft water, making water quality easier to maintain. Watch it sift through the substrate in classic "earth-eating" fashion, and pairs often work together to guard their eggs and fry. Lively and occasionally territorial, this sizeable, resilient cichlid rewards keepers with some hands-on experience.

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Pearl Cichlid key facts

Care level
Intermediate
Lifespan
8-12 years
Size
25-28cm
Temperature
18〜28℃
Diet
Sinking dried foods, frozen bloodworm, Artemia
Tank
150 x 45cm (about 304 litres) or larger. Use a fine sand substrate with rockwork to define territorial boundaries.
Water Temperature & Quality
18-28C, pH 6.0-8.0, 1-15 dGH. Soft water is not required, which makes maintenance relatively straightforward.
Tank Mates
Males hold territories and turn aggressive when spawning. Very small fish are eaten, so choose tank mates of similar size.
Diet & Feeding
Base the diet on good quality sinking dry foods with regular meals of frozen bloodworm and Artemia.
Breeding & Spawning
A biparental substrate spawner using flat surfaces, with both parents guarding eggs and fry.
Health & Notes
It digs in the substrate, so anchor plants and decor at the base.
TraitsCichlidSouth AmericaBrazilMedium-sized fish

About Pearl Cichlid

The Pearl Cichlid is a hardy South American cichlid with pearly blue-white markings, tolerant of varied water conditions. It grows to 25-28cm, suited to intermediate keepers.

7 things to know before welcoming a Pearl Cichlid

  1. 1Plan for Adult Size

    Pearl Cichlids reach 25-28cm as adults, so it's worth setting up a tank and filtration sized for that eventual bulk before bringing one home. Starting with adequate capacity avoids a stressful upgrade later.

  2. 2Substrate Foraging Habit

    True to the "earth-eating" meaning behind Geophagus, this fish sifts mouthfuls of substrate to pick out organic matter. A fine, soft-grained sand lets it express this natural foraging behavior comfortably.

  3. 3Tolerant of Water Conditions

    Unlike many Geophagus relatives that need soft water, this species tolerates a wider range of parameters and is considered hardy. Just avoid sudden swings, and stable conditions are easy to maintain.

  4. 4Territorial Behavior & Tankmates

    This fish is lively and can become territorial, especially during breeding. Choose tankmates of similar size and robustness, and add hiding spots so weaker fish have somewhere to retreat.

  5. 5Filtration for a Big Appetite

    Its large size and hearty appetite mean water quality can decline faster than with smaller fish. Regular water changes and strong filtration capacity are key to keeping it healthy.

  6. 6Pairs Guard Their Young

    During breeding, pairs often work together to guard their eggs and fry. Parents can become more sensitive to disturbance at this time, so avoid major changes to the tank layout while they're raising young.

  7. 7Commit to Long-Term Care

    This cichlid grows steadily from juvenile to adult, so it helps to picture the full-grown fish before bringing one home. Tank and equipment may need upgrading as it matures.

Frequently asked questions about Pearl Cichlid

Q.Can it be kept with other fish?
A.It can often be housed with similarly sized, robust tankmates, though it may show territorial behavior. Providing hiding spots and a spacious tank helps keep tankmate relationships stable.
Q.Does it need soft water?
A.No — unlike many other Geophagus species, soft water isn't required. It tolerates a fairly wide range of water conditions, so maintenance is manageable as long as you avoid sudden changes.
Q.Is this fish suitable for beginners?
A.It's generally considered suited to intermediate keepers. Since it grows quite large, it helps to have some experience with tank sizing and water quality management before bringing one home.
Q.What should I feed it?
A.It's omnivorous and readily eats standard prepared foods. Since it naturally sifts through substrate while feeding, sinking pellet-type food tends to suit its habits well.
Q.How big does it eventually get?
A.Adults reach around 25-28cm. It's worth choosing a tank sized for this eventual bulk from the start.

Useful tools for Pearl Cichlid 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 alertsElectricity Cost SimulatorCalculate monthly and annual electricity costs for care equipment with presets🧬Breeding PlannerSelect parent varieties to view breeding schedules and offspring patterns🏞️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📋Lifetime Cost SimulatorEstimate lifespan and lifetime costs by species for dogs, cats, reptiles and more🚚Transport Safety CheckerCheck transport safety score and precautions by category, season, method and distance💊Medication Dosage CalculatorCalculate proper medication dosage by body weight and medicine type for fish, reptiles, and small animals⏱️Quarantine & Acclimation TimerManage quarantine periods and acclimation steps with countdown timers. Includes recommended durations by species

Learn more about Pearl Cichlid in the encyclopedia

View Pearl Cichlid encyclopedia entry →

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

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