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Blue Acara© Kristof Zyskowski / CC BY 4.0

Blue Acara

The Blue Acara is a mid-sized cichlid native to South America, known for its grayish-blue body scattered with iridescent blue-green spangles and a shimmering pattern running from the cheek to the gill cover that grows more striking as the fish matures. Compared to other cichlids of similar size, it has a notably calm temperament, making it one of the more approachable choices in a group often known for aggression. Adults reach around 15 to 16 cm, so plan for a roomy tank as they grow. They also breed readily, making this an excellent entry point for anyone curious about observing cichlid parenting behavior firsthand.

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Blue Acara key facts

Care level
Beginner-friendly
Lifespan
8-10 years
Size
15-16cm
Temperature
22〜28℃
Diet
Frozen bloodworm, brine shrimp, chopped mussel and prawn, prepared foods
Tank
Base dimensions of about 120 x 30cm are just about sufficient for a pair. Provide flat stones or wood as spawning sites.
Water Temperature & Quality
22-28C, pH 6.5-8.0, 5-25 dGH.
Tank Mates
Peaceful for a cichlid of this size. Medium-sized characins, Corydoras and loricariids make good companions.
Diet & Feeding
Mainly carnivorous. Offer frozen bloodworm, brine shrimp and chopped mussel or prawn alongside dried foods.
Breeding & Spawning
An easily bred substrate spawner. Eggs hatch in 48-72 hours, fry swim free about 72 hours later, and parental care lasts roughly two weeks.
Health & Notes
It becomes temporarily aggressive while defending a spawning territory. In a community tank, provide plenty of refuges.
TraitsCichlidSouth AmericaEasy to breedBeginner

About Blue Acara

Blue Acara care guide: a calm, mid-sized South American cichlid with striking blue-green spangles, reaching 15-16 cm as an adult. An easy-to-breed, beginner-friendly cichlid.

7 things to know before welcoming a Blue Acara

  1. 1Tank Size Guidelines

    Adults reach around 15 to 16 cm, so even for a single fish it's best to use a tank of roughly 90 cm or larger. Plenty of swimming space lets a Blue Acara display its naturally relaxed, confident swimming style.

  2. 2Temperament and Tankmates

    Blue Acaras are relatively calm for a cichlid of their size, but pairs become more territorial during breeding. When keeping them with other fish, add hiding spots and visual barriers so tankmates have somewhere to retreat.

  3. 3Water Quality and Temperature

    They prefer stable, slightly acidic to neutral water and dislike sudden pH swings. Keep up with filtration and regular water changes, and maintain a temperature suited to tropical fish.

  4. 4Substrate and Décor

    Flat stones or driftwood provide spawning sites and territory markers, which tends to keep the fish calmer. Since they like to dig, a fine substrate holds up better against rearranging.

  5. 5Easy to Breed

    Once a pair forms, they typically spawn on a flat surface and both parents guard and care for the fry until they're free-swimming. Watching this cichlid-style parental care is one of the species' distinct appeals.

  6. 6Feeding Basics

    A base diet of quality pellets, supplemented with frozen or live food, keeps them well balanced. They tend to eat eagerly, so avoid overfeeding to keep water quality in check.

  7. 7Before You Bring One Home

    Set up the tank, filtration, and overall environment in advance, keeping the adult size and temperament in mind. Choose calm tankmates to help keep the aquarium peaceful.

Frequently asked questions about Blue Acara

Q.Is the Blue Acara suitable for beginners?
A.With its calm temperament and hardiness, it's considered one of the more beginner-friendly cichlids. That said, plan for its adult size and keep up with basic water quality management.
Q.Can it be kept with other fish?
A.Yes, it can be housed with other calm fish of a similar size. Pairs become more territorial during breeding, so provide hiding spots and monitor how tankmates get along.
Q.How large does it grow?
A.Adults typically reach around 15 to 16 cm in length. It's best to plan for a roomy tank in advance to accommodate this growth.
Q.Does it dig in the substrate?
A.Yes, Blue Acaras have a natural digging habit. Since this can disturb tank décor, a finer substrate or heavier layout materials tend to hold up better.
Q.Can it be bred at home?
A.It's a relatively easy species to breed — once a pair forms, they typically spawn on a flat surface and both parents care for the fry. If you're aiming to breed them, provide flat stones or driftwood as spawning sites.

Useful tools for Blue Acara 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 Blue Acara in the encyclopedia

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

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