
Blue Acara (Aequidens pulcher latifrons)
22–28°C · pH 6.5–8 · 190L

Electric Blue Acara is a vivid Neon Blue form of Andinoacara pulcher for mature medium community aquariums, with clear guidance on tank size, diet, behaviour and tank mates.
Andinoacara pulcher
Electric Blue Acara bond and breed in male/female pairs — buying a pair gives them the social structure they need.
Electric Blue Acara is a vivid Neon Blue form of Andinoacara pulcher for mature medium community aquariums, with clear guidance on tank size, diet, behaviour and tank mates.

Cichlids are one of the most diverse fish families in the hobby. From tiny apistogrammas to massive oscars, this guide covers the basics of keeping them well.
Maintain these water conditions for optimal health and vibrant colors
The Electric Blue Acara, often sold in the trade as the Neon Blue Acara, is a bright aquarium form of Andinoacara pulcher. It gives a mature community tank the colour of a show cichlid without the constant pressure and aggression associated with many larger New World cichlids. A settled specimen shows metallic turquoise-blue scale edges, blue facial markings, dark fin rays and a deeper body than dwarf cichlids such as rams. It is confident, intelligent and usually manageable, but it is still a real cichlid: it needs room, clean water, visual barriers and tank mates chosen with adult size in mind.
This page keeps the practical detail serious aquarists need before choosing the fish: adult size, tank size, water parameters, feeding, breeding behaviour, compatibility, health signs, arrival care and the difference between the Neon Blue trade form and the standard Blue Acara. The wording is intentionally natural rather than a list of repeated search phrases. The important names are still present where they help: Electric Blue Acara, Neon Blue Acara, Blue Acara cichlid and Andinoacara pulcher.
This species belongs to the cichlid family, a group known for intelligence, territorial awareness, pair bonding and parental care. Older aquarium literature may use Aequidens pulcher for the Blue Acara; the modern placement used here is Andinoacara pulcher. The Neon Blue name describes the selectively bred colour form seen in the aquarium trade, not a separate wild species. That distinction matters because care advice should be based on Blue Acara biology, then adjusted for the size and condition of the fish being kept.
The care advice on this page is built around the biology of Andinoacara pulcher rather than around search phrases. FishBase records the Blue Acara as a freshwater cichlid from northern South America, with adults using both quieter standing waters and clearer flowing streams. Aquarium care references then place the Neon Blue form in the warmer, stable conditions used for community aquaria. That is why the recommendation here uses a practical 22-28°C aquarium range, a mature filter, moderate hardness, pH near neutral, and enough floor space for territories.
There are small differences between references because they are describing different contexts: wild distribution records, long-term aquarium care, retail holding and the selectively bred Neon Blue colour form. Instead of choosing the most convenient number, this listing gives a planning range. A juvenile at 2-2.5 cm can arrive small, but the tank still needs to be planned around a medium adult cichlid. A very old or unusually robust fish may be larger than the average Neon Blue specimen, so the sensible choice is to provide more space than the smallest online care sheet suggests.
| Care point | Practical recommendation | Why it matters |
|---|---|---|
| Adult planning size | Plan for a medium cichlid, commonly around 10-15 cm | Prevents the fish being kept long term in a juvenile-sized aquarium |
| Tank layout | Open swimming space plus wood, plants and stone sight breaks | Reduces territorial pressure and gives the fish confidence |
| Water quality | Mature biological filtration, zero ammonia and nitrite, controlled nitrate | Most health problems in this species start with stress or unstable water |
| Community choice | Medium peaceful fish, not tiny tank mates or rough cichlids | Matches the acara's adult mouth size and territorial behaviour |
The visual side matters too. Electric Blue Acaras show their best colour when they are calm, well-fed and viewed against a darker, planted layout. Bright bare tanks can make the fish appear washed out; shaded aquascapes often intensify the metallic blue. The source image shows the body shape and fin pattern clearly, while planted-scene images are useful for imagining how the fish will look once settled in a display aquarium.
The natural Blue Acara is associated with northern South America, including Trinidad, Venezuela and neighbouring drainage systems. Established references describe it from quiet standing waters as well as clearer streams, often around roots, vegetation, sandy or muddy bottoms, stones and sheltered margins. Those habitats explain why this fish does best in an aquarium with open swimming space plus broken lines of sight. Bare tanks can make it nervous; heavily structured tanks let it patrol without feeling exposed.
In nature, Blue Acaras browse for small invertebrates, worms, crustaceans, insects and edible organic matter. That opportunistic diet is one reason captive fish usually adapt well to quality prepared foods. The Neon Blue strain has been selected for stronger blue colour, so colour intensity also depends on genetics, mood, diet, lighting and water quality. A pale fish in a dealer photo is not always poor quality; a stressed fish often colours down during transport and brightens once settled.
For aquarium planning, think of this as a medium South American cichlid rather than a small display fish. It appreciates warm tropical water, steady filtration, a calm feeding routine and territory markers such as wood, stone and sturdy plants. It is adaptable, but adaptable does not mean disposable: ammonia, nitrite, high nitrate and unstable temperatures will quickly show as clamped fins, dark colour, hiding or loss of appetite.
The source photo for this listing shows the exact Electric Blue Acara form supplied through the Petra-Aqua line, while the additional aquarium visuals help show how the colour can read in planted and driftwood-style displays. Use both types of image together: the source image is useful for shape and markings; the aquarium scenes help with layout ideas and visual expectation.
Mimic Blue Acara habitat with wood, smooth stones, shaded areas and calm open water. The fish should be able to leave another fish's sight without crossing the whole aquarium; that one design choice prevents many cichlid compatibility problems.
A good tank setup is the difference between a fish that simply survives and one that develops strong colour, steady growth and calm behaviour. The Electric Blue Acara is forgiving compared with delicate dwarf cichlids, but it should not be treated as a tiny beginner fish. The most common mistake is placing juveniles in a small aquarium and forgetting that adults become broad-bodied, confident and territorial when mature.
Use 200 litres as the practical starting point for one adult or a settled pair, with a tank length around 100 cm or more. A 250-litre aquarium gives better margin for a community because it allows separate feeding zones, plant cover and a territory that does not dominate the whole tank. Very small aquariums may hold juveniles temporarily, but they are not a responsible long-term home for this species.
Keep aquarium temperature at 22-28°C, with 24-26°C a sensible everyday target for most mixed tropical communities. FishBase lists the wild species in cooler tropical ranges too, while aquarium references commonly use the warmer band above; stability is more important than chasing a single number. Aim for pH 6.5-7.8 and moderate hardness. Avoid sudden swings, especially after water changes or during acclimation.
A mature external canister filter or a strong internal filter with broad, gentle flow works well. This fish does not need blasting current, but adult cichlids are solid feeders and produce enough waste to make biological filtration important. Aim for a reliable turnover rate, keep the filter media mature, and clean mechanical sponges before they clog. Nitrate control is especially important in heavily stocked community tanks.
Fine sand or smooth rounded gravel is best. This species may mouth the substrate while foraging or preparing a spawning site, so sharp gravel is best avoided. A natural, darker base often helps the fish feel secure and can improve visible colour intensity.
Sturdy planting works well when the layout is planned. Amazon swords, Vallisneria, Anubias, Java fern and floating cover are all sensible choices. Root plants securely, leave open swimming space at the front, and add driftwood or smooth stones to break sight lines. During spawning, even relatively peaceful pairs may move sand or defend a flat surface, so delicate foreground plants can be disturbed.
Moderate lighting is ideal. Strong overhead light can wash out colour if there is no cover, while subdued light with plants and wood often makes the metallic blue body glow more intensely. A photoperiod of 7 to 9 hours suits most setups and helps keep algae manageable.
Cycle the aquarium fully before adding this fish. Even hardy cichlids struggle in immature water, and ammonia or nitrite spikes are common reasons new arrivals hide, darken or stop feeding. If the aquarium is new, confirm zero ammonia and zero nitrite over several days before introducing livestock.
The Electric Blue Acara diet is omnivorous with a strong preference for protein-rich prepared and frozen foods. A quality medium cichlid pellet or granule should form the base, supported by frozen brine shrimp, mysis, bloodworm and occasional plant-based foods such as spirulina flakes or blanched greens. Variety supports colour, digestion and breeding condition without turning feeding into a daily overload.
Use a quality cichlid pellet or granule once or twice daily. Choose a size the fish can swallow comfortably. Good staples support colour, digestion, and steady electric blue acara growth rate without excessive fat buildup.
Frozen foods 3 to 4 times per week help maintain condition and can be especially useful before spawning. Blanched spinach, spirulina-based foods, or quality omnivore flakes can also be offered occasionally. If you keep the fish in a mixed tank, make sure faster dither fish do not outcompete them at feeding time.
For conditioning a settled pair, increase variety with high-quality frozen foods and small safe live foods where practical. Rich feeding can encourage pair bonding and spawning, but it must be matched with water changes and strong filtration. Overfeeding a cichlid pair is one of the quickest ways to create cloudy water, high nitrate and poor egg survival.
Feed juveniles 2 to 3 small meals daily and adults 1 to 2 measured meals. Offer only what they finish in about 30 to 60 seconds. If you notice an electric blue acara not eating, check water quality first, then consider stress, bullying, recent shipping, or internal parasites.
| Time | Food | Amount |
|---|---|---|
| Morning | Cichlid pellets or granules | Small portion, fully eaten within 1 minute |
| Evening | Frozen brine shrimp, mysis, or bloodworm | Light supplemental portion |
The reason this species feels easier than many smaller cichlids is adaptability. Compared with German Blue Rams and Electric Blue Rams, it is usually less temperature-sensitive and more willing to accept prepared foods once settled. That makes it a forgiving choice for a mature medium community tank, provided the tank is large enough.
If you are comparing feeding sensitivity, German Blue Rams usually require warmer water and can be fussier than Electric Blue Acaras, making the acara a more forgiving choice for many community tanks.
For keepers planning a species-focused setup, a varied omnivore routine helps maintain the intense metallic blue seen in healthy specimens. Feed enough for growth and condition, then let water quality be the final judge.
Overfeeding causes ammonia spikes, poor water quality, and fatty degeneration. Uneaten frozen food trapped behind decor is a common reason cichlid tanks develop nitrate problems and cloudy water.
This cichlid has a deep, laterally compressed body, a gently sloping forehead and extended dorsal and anal fins that become more pronounced with age. The usual aquarium adult is often around 10-15 cm, though robust old adults should be given room as if they may approach the larger Blue Acara range. The shipped size options on this product are juveniles or subadults, so the aquarium must be planned for the adult, not only the arrival size.
The standout feature is the luminous blue iridescence that covers much of the body and fins. Depending on mood, lighting, and genetics, the fish may show turquoise, icy blue, or almost neon electric highlights. This is why many aquarists compare the species to an electric blue gourami or electric blue angelfish in online searches, even though the body shape and behaviour are quite different.
Males are usually larger, with more extended fins and a stronger head profile. Females tend to be a little rounder, especially when carrying eggs, but young fish cannot always be sexed reliably. Pair behaviour is a better clue than body shape alone: compatible pairs clean surfaces, patrol together and defend a chosen site.
The Neon Blue form is generally treated in the hobby as a colour strain of Andinoacara pulcher. It is not the same fish as an Electric Blue Ram, a Green Terror or a blue gourami. The key visual signs to check are balanced body shape, clear eyes, clean fins, an even blue sheen and normal cichlid posture.
Temperament is best described as moderate. Outside breeding, most specimens are calm enough for a well-planned community of medium fish. During pair formation or spawning, the same fish can become much more territorial. This is not a contradiction; it is normal cichlid behaviour. Give the fish space, sight breaks and tank mates that are not tiny, delicate or easily bullied.
Good companions include medium tetras, larger peaceful barbs, rainbowfish, sturdy Corydoras in spacious tanks, peaceful plecs and carefully chosen angelfish. Small neon-sized fish may be at risk once the acara matures. A group of robust midwater fish often helps the cichlid feel secure, but the tank must still leave enough territory around wood, plants or a spawning surface.
Angelfish can work in a larger planted aquarium because they occupy a different body shape and swimming style, but both species need room. Avoid cramped tanks where two territorial fish are forced into the same corner. If you prefer a gentler South American cichlid, the Keyhole Cichlid is worth comparing.
Rams are much smaller and usually prefer warmer, more carefully managed water. That is why an Electric Blue Ram is not a direct substitute for a Neon Blue Acara. The ram suits a different aquarium; the acara suits a larger, sturdier community with more swimming room.
Avoid very small fish, delicate shrimp and highly aggressive cichlids. Guppies, tiny rasboras and dwarf shrimp may be viewed as food or may be stressed by the cichlid's movement. African Rift Lake cichlids are also poor matches because they often need harder water, different stocking methods and a rougher social structure.
Kribensis and Blue Acaras can both be community cichlids, but they use space differently. Kribensis are smaller cave defenders; this species needs more open territory. Mixing several territorial cichlids can work only in larger aquariums where each fish can hold space without constant contact.
The Green Terror is a different level of cichlid and should not be treated as a close alternative. It grows larger, is more territorial and is best kept by aquarists who want stronger cichlid behaviour. The Electric Blue Acara is the more balanced choice when the goal is colour, personality and community compatibility.
| Species | Compatible? | Notes |
|---|---|---|
| Keyhole Cichlid | ✅ Yes | Peaceful South American cichlid for spacious, structured tanks |
| Blue Acara | ✅ Yes | Similar care needs; best kept as planned pairs, not random adults in tight spaces |
| Medium tetras | ✅ Yes | Choose robust species large enough not to be eaten |
| Angelfish | Caution | Works in larger tanks with territories and careful observation |
| Shrimp | ❌ Avoid | Likely to be hunted, especially juveniles |
| African cichlids | ❌ Avoid | Different water chemistry and incompatible temperament |
A practical community example is a 240-litre planted tank with one settled pair, a group of medium tetras, a group of larger Corydoras and one bristlenose-type algae grazer. In a 300-litre aquarium, a pair may also work with angelfish if the tank is tall, planted and carefully monitored. Keep stocking calm and deliberate; random mixing is what usually causes problems.
Always quarantine new arrivals for 2-4 weeks before adding them to an established cichlid aquarium. This reduces disease risk and lets you assess temperament before introducing fish into the main territory.
Breeding is achievable for attentive keepers. A healthy pair usually forms best when young fish are raised together and allowed to choose. Forced adult pairs can fight. Start with a group only if you have enough space and a plan for moving extra fish once a pair forms.
A breeding aquarium of 150-200 litres is sensible for a pair, with flat stones, broad leaves or smooth decor for spawning. Keep water warm and very clean, usually around 25-27°C, with low nitrate and regular partial changes. Conditioning foods help, but stable water and privacy matter just as much.
Before spawning, the pair may clean a surface, lip-lock, display and chase nearby fish. Lip-locking can be pair testing or territorial behaviour; watch for damage and separate incompatible fish if one is being trapped. Eggs are usually laid in rows on a cleaned stone, leaf or similar flat surface.
Both parents usually fan and guard the eggs. Depending on temperature, electric blue acara spawning leads to hatching in roughly 2 to 4 days, with wrigglers moved to pits or sheltered spots. Keep the tank quiet and avoid sudden maintenance around the nest. First-time parents may eat a spawn, but experienced pairs often improve quickly.
Once fry are free-swimming, offer tiny foods such as newly hatched brine shrimp, microworms or powdered fry food. Clean water, small frequent feeds and gentle filtration are the key points. Parents often guard the brood, which is one of the most rewarding behaviours in this species, but some first-time pairs may eat eggs or fry until they gain experience.
Sexing remains uncertain in young fish. Mature males are usually larger and more pointed in the fins, while females may look fuller when ripe with eggs. Do not compare them with female Electric Blue Rams; that is a different species with different body proportions, temperature preferences and breeding behaviour.
If a pair repeatedly eats eggs, try moving them to a quieter breeding tank with one flat spawning stone, subdued lighting, and a sponge pre-filter. Often the issue is stress from traffic, tank mates, or repeated disturbance rather than infertility.
Comparing similar blue fish helps prevent expensive mistakes. Electric Blue Rams and German Blue Rams are smaller, warmer-water dwarf cichlids. The Electric Blue Acara is larger, sturdier and more forgiving, but it also needs a much bigger aquarium. Choose the acara if you want a medium centrepiece cichlid; choose a ram only if the tank is warmer, smaller and carefully managed.
| Feature | Electric Blue Acara | Electric Blue Ram |
|---|---|---|
| Adult size | Plan for 10-15 cm+ | Usually 6-7 cm |
| Care level | Easy to moderate in a mature tank | Moderate to advanced |
| Temperature | 22-28°C | Often warmer, around 27-30°C |
| Best aquarium | Medium-large planted community | Warm dwarf cichlid display |
Choose the acara if you want a tougher, longer-lived fish with more presence and less sensitivity to minor fluctuations. Choose a ram if you have a warmer tank, smaller companions and experience with delicate dwarf cichlids. The two can both be beautiful, but they solve different aquarium problems.
| Feature | Electric Blue Acara | Green Terror |
|---|---|---|
| Temperament | Moderate, often community-suitable | More aggressive and territorial |
| Tank Style | Planted South American community | Larger robust cichlid setup |
| Best For | Balanced colour and manageability | Experienced keepers wanting stronger cichlid behaviour |
Compared with the standard Blue Acara, the Neon Blue form is mostly a colour decision. The standard fish has a more natural wild-type look; the Electric Blue strain gives a brighter display colour. Care is broadly similar, so choose according to aquarium style, adult size planning and the temperament of the individual fish.
A healthy fish should be alert, well-fleshed, responsive at feeding time and free from cloudy eyes, clamped fins or laboured breathing. The body should look balanced rather than pinched behind the head. Because this species is fairly hardy, sudden illness usually points to water quality, stress, bullying or poor acclimation before it points to a rare disease.
Look for strong colour, steady fin posture, clear eyes and confident midwater swimming. A settled fish will explore the aquarium, claim a loose territory and come forward for food. Newly moved fish may be shy at first, so judge health by a combination of body condition, breathing, posture and gradual settling behaviour.
Common problems include whitespot, bacterial fin damage, internal parasites and stress-related darkening. A fish that refuses food should prompt water testing first: ammonia, nitrite, nitrate and temperature. Cichlids often stop feeding when bullied, chilled, newly shipped or exposed to poor water.
For minor issues, large water changes, improved aeration, and removal of stressors solve more problems than random medication. If disease is confirmed, treat in a separate hospital tank where possible. Follow dosage instructions exactly and avoid mixing medications unless the manufacturer states it is safe.
Stable temperature, mature filtration, varied diet and sensible stocking are the best prevention tools. Keep nitrate controlled with regular water changes, avoid sudden chemistry swings, and quarantine new fish before they meet an established cichlid community. Good husbandry supports long lifespan, strong colour and natural behaviour.
NEVER use copper-based medications in tanks containing shrimp or other sensitive invertebrates. Copper can be lethal to them, and it is often unnecessary when the real problem is poor water quality or stress.
Behaviour is one reason this species remains so popular. It is an intelligent, observant cichlid that learns feeding routines and often watches movement outside the glass. Most specimens cruise the middle and lower-middle areas, investigate decor, sift lightly at the substrate and defend a chosen space without constantly attacking tank mates.
In a settled aquarium, this is a confident but not hyperactive species. It is not a schooling fish, yet it does appreciate visual awareness of other fish and often behaves more naturally in a community than in total isolation. During breeding, behaviour changes noticeably: colours intensify, territories tighten, and the pair becomes more defensive around eggs or fry.
Mild chasing, flaring and brief stand-offs are normal cichlid communication. Persistent harassment is different and means the layout or stocking needs adjusting. Wood, plants and broken sight lines encourage the calm, balanced personality that makes this fish a strong centrepiece for a planted medium community.
This product may be available in more than one size option. Smaller juveniles are easier to integrate into a peaceful community because existing fish are less likely to view them as immediate territorial rivals, but they also need more protection from large tank mates. Larger specimens show colour and shape sooner, yet they need a tank that is already stable and spacious on arrival. When choosing between sizes, match the fish to the aquarium you have now, not only the adult display you hope to build later.
For community aquariums, the safest approach is usually to introduce the acara after the tank is mature but before the whole lower half of the aquarium is already claimed by territorial fish. Rearrange a few pieces of wood or stone before introduction if the tank contains established cichlids. This resets territory boundaries and gives the newcomer a better chance to settle without immediate pressure. Keep lights subdued on the first evening and offer food only once the fish is breathing normally and exploring.
Condition matters as much as colour with any live cichlid. Electric Blue Acaras should show a clean outline, alert posture, normal breathing and full finnage. We keep the listing focused on the real fish and its care, not on exaggerated promises, because the long-term result in your aquarium depends on husbandry as much as dispatch.
Fish are held and observed before dispatch, then packed in insulated boxes using professional livestock packing methods. In colder weather, heat support is used when conditions require it. Tracked livestock delivery helps reduce uncertainty, but the best result still depends on prompt unpacking, calm acclimation and a suitable mature aquarium waiting at home.
After arrival, dim the lights, float the sealed bag to equalise temperature, then acclimate gradually according to the instructions supplied with the order. Avoid feeding immediately if the fish is stressed. Most healthy cichlids settle better when given cover, stable temperature and a quiet first evening.
If you are planning a South American-style aquarium, compare the standard Blue Acara for a more natural colour form, or the Keyhole Cichlid for a calmer companion species. If you prefer smaller blue dwarf cichlids, German Blue Rams and Electric Blue Rams are beautiful but need warmer, more careful conditions. Choose according to the aquarium you can provide, not only the colour you like most.

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