Blue + Blue Zebra Mbuna (Maylandia zebra)

What this listing is for

This listing is for the aquarium-trade fish supplied as Blue + Blue Zebra Mbuna. The supplier records it under the older name Pseudotropheus zebra; the accepted name used here is Maylandia zebra. Each quantity added to the basket means one unsexed live fish in the size grade selected. It does not mean a pair, a sexed group or a school.

Five grades are currently represented by the protected Shopify variants: approximately 2-3 cm, 4-5 cm, 6-7 cm, 7-9 cm and the supplier's XL grade. XL has no certified centimetre range in the source data, so it is deliberately not converted into a number. Choose a measured grade when a defined dispatch range matters to your stocking plan.

This is a territorial rock-dwelling Lake Malawi cichlid, not a general community fish. It is intended for an established hard-water aquarium whose keeper can manage rock territories, strong filtration, social pressure and the possibility that an individual must be separated. The quantity discount shown by the buy box changes the price at larger quantities; it is not a biological claim that the fish schools or that any quantity will coexist safely.

Blue + Blue, Maylandia, Metriaclima and Pseudotropheus explained

The naming around zebra mbuna can be confusing even when a fish is well documented. Pseudotropheus zebra is the historic combination still used in international stock lists. Metriaclima zebra appears throughout modern cichlid literature and the aquarium trade. Eschmeyer's Catalog of Fishes currently accepts Maylandia zebra, and a 2025 nomenclatural review supports Maylandia as the valid genus name. These three combinations can therefore point to the same species in different records; they are included here to connect the supplier label with current search and scientific usage.

"Blue + Blue" is retained as a trade-form qualifier. It does not establish a collection point, a wild population or a formal taxon below species level. Lake Malawi zebra complexes contain geographically variable forms, and colour alone is a poor substitute for collection and lineage records. Because this commercial batch has no locality certificate, the responsible description is Maylandia zebra, supplier trade form Blue + Blue, with the limitation made visible.

This distinction also prevents a common search error. The name Cobalt Blue Zebra is widely used for the separate species Maylandia callainos. Its uniform blue appearance can overlap with informal photographs of other mbuna, but the supplier did not identify this product as M. callainos. The small source image and the gallery are not diagnostic enough to override the written source record. This listing is therefore not presented as Cobalt Blue Zebra, and M. callainos care or locality claims have not been borrowed to make the page sound more certain.

Evidence-based care profile

Published species records and supplier husbandry data overlap well on the broad physical requirements. FishBase records a maximum of 11.3 cm standard length, meaning the measurement excludes the tail fin. The supplier rounds adult growth to 12 cm. For aquarium planning, approximately 12 cm is a sensible working figure, but body depth, territory and activity matter more than the number alone.

FishBase places the species in tropical freshwater at 22-28 C and 9-19 dH, and describes it from Lake Malawi rocky habitat. The supplier gives the same temperature span, pH 7.5-8.5 and 9-19 dGH. A stable middle portion of those ranges is usually easier to maintain than repeatedly moving the aquarium between the limits. Source water should be measured rather than guessed, especially in soft-water parts of the UK.

Natural-history evidence is more nuanced: M. zebra combs loose material from rock biocover and also takes plankton in open water. That is an aufwuchs-focused omnivorous ecology with a strong plant and biofilm component, not permission for either an all-meat menu or a nutritionally incomplete algae-only diet.

Choosing among the five size grades

The option describes the approximate size at dispatch, not a different species or guaranteed life stage. Living fish vary naturally, and a centimetre band should be treated as a grade rather than a precision instrument. Fin position, posture and normal measuring variation can shift an apparent measurement. The adult aquarium must be ready for the species' eventual size and behaviour regardless of which juvenile grade is selected.

The smallest 2-3 cm fish require particular care around intake guards, tank mates and feeding access. A fish that small can be outcompeted or swallowed by much larger residents even when the species names appear compatible on paper. The 4-5 cm and 6-7 cm grades may be easier to observe in a prepared mbuna aquarium, but they are still unsexed and colour can continue changing with age, hierarchy, stress and environment.

The 7-9 cm option gives the clearest numeric larger grade. XL is a supplier commercial class with no numeric specification in the retained source data. It should not be interpreted as a guaranteed adult, male, show-coloured or breeding fish. Contact support before ordering if the exact relationship between an XL fish and established residents is safety-critical; a vague grade must never be used to guess a social match.

Aquarium footprint comes before the litre label

A litre figure cannot describe a mbuna aquarium on its own. Two tanks can hold similar water volumes while offering very different frontage, floor area and rock territories. For one adult-planned Blue Zebra Mbuna, Tropical Fish Co uses a conservative starting footprint of at least 120 x 45 cm and roughly 250 litres. This is site planning guidance, not a claim that every 250-litre aquarium will support every social combination.

Multiple zebra mbuna or a mixed Malawi community may require substantially more room. The necessary increase depends on adult sizes, sex ratio, species, rock layout, existing hierarchy and the keeper's ability to remove a fish immediately. A long aquarium with multiple visually separated zones is more useful than a tall display whose extra litres do not add horizontal escape distance.

Use the tank-volume tool to calculate actual water volume after measuring the aquarium, but then evaluate the usable footprint separately. Rock displacement, substrate and a lowered fill line reduce water volume. Territory, filtration and oxygen demand must be judged on the stocked system, not the manufacturer's nominal capacity.

Before purchase, identify where a chased fish can leave the aggressor's sight, where it can rest without being trapped and how it can reach food. Also identify the spare cycled accommodation that will receive a fish if the plan fails. A divider or empty uncycled box is not an adequate last-minute welfare plan.

Build rockwork for territories, not decoration alone

Maylandia zebra is associated with rocky Lake Malawi habitat. In an aquarium, rockwork should create usable structure: several caves, shaded retreats, broken sight lines, grazing surfaces and open routes between them. One attractive arch in the centre can become a single defendable fortress. Distributed structures are usually more helpful because no fish can monitor the whole aquarium from one point.

Support heavy rocks from the solid tank base or an appropriate protective layer before adding loose sand. Mbuna dig and move substrate. A stack resting only on sand can shift when a fish excavates beneath it. Test every stone from several directions; aquarium silicone or purpose-designed supports may be appropriate for structures that cannot be made mechanically secure.

Leave an open feeding and swimming lane. Filling every centimetre with stone can create waste traps and make observation difficult. The keeper should be able to see whether each fish is eating, breathing normally and carrying injuries. Flow should pass around and behind the rockwork so suspended waste reaches mechanical filtration instead of accumulating in inaccessible pockets.

Plants are optional, not a care requirement. Tough epiphytes may survive when attached securely, but planted or driftwood-heavy gallery scenes do not define the proper habitat for this fish. If wood is used, monitor its effect on water chemistry and do not let it replace the mineral-rich, stable alkaline conditions and rocky territory structure that matter more.

A practical rockwork sequence

1. Confirm the tank and stand can carry the finished load.
2. Place and stabilise the largest base stones before loose substrate.
3. Create several separated retreats with more than one exit where possible.
4. Check that no narrow opening can trap a growing fish.
5. Add sand around the stable structure rather than underneath unstable stacks.
6. Test flow, waste collection and access for maintenance.
7. Reassess sight lines from fish level, not only from the viewer's chair.

Hard alkaline water must also be clean and stable

The listed range is 22-28 C, pH 7.5-8.5 and 9-19 dGH. These values describe the broad envelope; they do not make every point equally convenient for every household. A stable 24-26 C with repeatable mineral content is a practical target for many systems. Measure the aquarium and tap water with suitable tests, and use the water-matcher to organise the comparison.

Do not raise pH with an occasional dose while ignoring alkalinity and source-water consistency. pH can look acceptable at one moment and then fall if buffering is weak. If remineralisation is necessary, use a measured recipe that can be reproduced during every water change. Record the amount used, the resulting GH or conductivity, the pH after aeration and any difference between seasons.

Ammonia and nitrite should remain at zero in normal operation. Nitrate should be controlled at a level the aquarium can maintain consistently through stocking, feeding, plant or algae uptake and water changes. There is no single nitrate number that excuses deterioration; the important pattern is that waste does not climb unchecked and fish remain in well-oxygenated, clean water.

Temperature stability matters more than chasing the warm end. Warmer water carries less dissolved oxygen while mbuna remain active and well fed. Use a reliable heater sized and positioned for the real aquarium, verify it with an independent thermometer and maintain vigorous gas exchange. During unusually warm weather, observe breathing and surface behaviour rather than relying on the thermostat display alone.

Filtration for an active Malawi aquarium

Zebra mbuna are active fish with an appetite, and a group can create a substantial solids and ammonia load. Use mature biological filtration with enough media and oxygenated flow for the actual stock. Mechanical stages should capture suspended waste and remain accessible enough to clean before trapped debris decomposes. Manufacturer flow figures are measured under favourable conditions and fall when media loads, pipework adds resistance or the impeller becomes dirty.

Direct outlets to circulate water around rock structures without pinning fish against the glass. Surface agitation is essential, but violent turbulence through every retreat can prevent a subordinate fish from resting. Observe detritus after feeding and adjust outlets or maintenance access where waste repeatedly settles.

Clean mechanical media as required and biological media gently in removed aquarium water when flow falls. Do not replace all mature media at once. If a filter stops for a prolonged period, treat its condition cautiously before restarting because oxygen depletion can change the contents. Keep spare air equipment and a plan for power interruption, especially in a heavily stocked warm-water system.

A clear aquarium is not automatically a safe aquarium. Dissolved ammonia and nitrite can be invisible, and clear water can still have low oxygen or unstable chemistry. Combine visual inspection with test results, behaviour and maintenance records. Persistent surface breathing, reduced feeding, clamped fins or unusual hiding should trigger an immediate water and equipment check.

Feed the natural ecology, not a one-word diet label

Wild Maylandia zebra combs material from rock biocover and can take plankton away from the surface. The useful aquarium translation is a digestible, plant-rich mbuna staple with controlled animal protein and varied particle sizes. It is not a strict vegetable-only prescription, and it is not a licence for repeated rich mammal meat, large bloodworm meals or a high-protein predator ration.

Choose a complete food formulated for Malawi herbivore-leaning or omnivorous cichlids and check the ingredient and nutrient profile rather than the colour of the packet. Our Tropical Malawi Chips page is one relevant product route, but feeding should be adjusted to fish size and the complete diet available at the time. Break food into pieces that every grade can swallow without prolonged chewing or waste.

Offer small portions and watch every fish. In a hierarchy, dominant individuals can intercept most food while a subordinate fish slowly loses condition. Scatter or distribute the ration across more than one area where necessary. A juvenile placed with larger residents may need a separate feeding path; simply increasing the total food can pollute the aquarium without solving unequal access.

Leave some safe rock surfaces available for natural browsing. Algae and biofilm on those surfaces can provide activity and supplementary material, but they do not replace a balanced staple. Likewise, the fish should not be purchased as an algae-control tool. Lighting and nutrient management must solve nuisance algae problems.

Territorial behaviour and the meaning of Shoal Pricing

Blue Zebra Mbuna are social in the sense that they interact continuously, establish rank and respond to neighbours. They are not a coordinated schooling species that needs six companions to feel safe. On this product, Shoal Pricing means only that eligible quantities can receive the displayed quantity discount.

Buying six, ten or twenty unsexed juveniles does not create a safe group. It may produce multiple males, uneven growth, future competition and more filtration demand. Larger deliberately planned groups can sometimes spread attention in a suitably large, mature mbuna aquarium, but the outcome depends on sex, species, layout and individual behaviour. It cannot be guaranteed from a basket quantity.

Short chases and display can occur in an established hierarchy. Continuous pursuit, cornering, exclusion from food, torn fins, rapid breathing or a fish pinned near the surface are not harmless signs that the group is "sorting itself out." Intervene before chronic stress becomes injury or disease. Rearranging some rockwork can interrupt established territories, but it is not a substitute for adequate space or removal.

A group plan should include a realistic path for surplus males and incompatible individuals as they mature. This is especially important when buying small unsexed grades. Sex and adult behaviour may not be apparent at dispatch, and the keeper remains responsible for responding to the group that develops rather than the ratio originally hoped for.

Sex, colour and group planning

No option on this listing guarantees male or female. Juvenile colour, size and a representative image are not reliable certificates of sex. Even where adult populations show sex-linked or status-linked colour, commercial lines and social suppression can make visual assumptions unsafe. A dominant fish may display more strongly while a subordinate individual appears muted; this does not make colour a dependable ordering tool.

A commonly discussed mbuna arrangement is one confirmed male with several confirmed females. It can reduce pressure compared with a simple two-fish setup, but it is not a universal formula. It assumes reliable sexing, enough room, distributed retreats, suitable individual temperaments and a keeper ready to remove a fish. This product supplies unsexed individuals, so it cannot promise that ratio.

Two unsexed fish should not be ordered as a "pair." They may mature as two males, two females or an incompatible male and female. Cichlids do not become compatible because a seller places two fish in the same order. If breeding is not an objective, sex and colour still matter because similar-looking territorial fish may focus aggression on one another.

When adding to an existing group, compare size as well as species. A very small newcomer may be physically vulnerable, while a much larger newcomer can disrupt the hierarchy immediately. Quarantine and observation should come before the final introduction. Consider introducing after a controlled rockwork change with lights reduced, but retain a net, divider strategy and mature separate accommodation.

Tank mates require matching chemistry and behaviour

Shared Lake Malawi water requirements are necessary but not sufficient for compatibility. A candidate must tolerate hard alkaline water, occupy the aquarium without being chronically displaced, eat a compatible diet and remain safe at adult size. Peaceful soft-water community fish, long-finned species, small fish, shrimp and other vulnerable invertebrates are poor choices.

Robust mbuna can be considered only through species-by-species planning in a sufficiently large aquarium. Avoid casually combining several similarly coloured barred males because visual similarity can intensify territorial responses and increase hybridisation risk. Even a species often listed as compatible may fail with a particular individual or layout, so a removal plan is part of compatibility rather than an admission of failure.

Peacock cichlids and haps use the aquarium differently and often receive a richer diet. Some keepers combine Malawi groups in large systems, but this page does not present those fish as automatically safe companions. Use the Lake Malawi cichlid guide to compare the major groups, then research the exact adult fish and the established aquarium rather than relying on a generic tank-mate chart.

The verified Pseudotropheus supplier category is useful for browsing related trade listings, but a shared category is not a stocking recommendation. Every product page should be checked for adult size, diet, temperament, sale unit and evidence limits.

Hybridisation and record keeping

Lake Malawi cichlids have evolved many closely related colour and locality forms. Published work documents hybridisation in the wider radiation, and laboratory or aquarium conditions can remove the geographic and behavioural boundaries that separate populations in nature. Similar-looking zebra-complex fish deserve particular caution.

Do not distribute offspring under a pure species, locality or wild-form name unless parent identity and lineage are genuinely documented. This Blue + Blue stock has no certified collection point or pedigree. If it breeds with another trade form, the responsible description for any offspring must preserve that uncertainty rather than inventing a more valuable label.

Keep the purchase record, supplier trade name, date, selected grade and photographs of the actual fish as it develops. Do not use the gallery as the lineage record. If fish from different sources are mixed, note that explicitly. Accurate private records protect future buyers and help the keeper distinguish a real change in colour or body condition from a remembered stock photograph.

The related Blue OB Masinje Zebra Mbuna and Gold Mundola Point Zebra Mbuna pages illustrate why trade form and locality wording should be kept separate. They are useful comparisons, not recommended mates for casual mixing.

Breeding context without a breeding promise

Maylandia zebra is a maternal mouthbrooder. A receptive female takes fertilised eggs into her mouth and carries the developing brood. That species-level fact does not mean the fish offered here are mature, sexed, compatible or ready to breed. The five size grades are commercial dispatch grades, not reproductive certifications.

A male may intensify display and defend a site. A holding female may eat less and seek a quieter position, but appetite loss can also indicate stress or illness. Observe the full pattern rather than diagnosing mouthbrooding from one sign. Repeated harassment of a holding female is a welfare problem, and any move to separate accommodation must avoid abrupt differences in temperature and chemistry.

Breeding should not be used as proof of a claimed locality or pure line. Closely related mbuna can produce viable offspring, and appearance alone may not reveal mixed ancestry. Keep breeding groups deliberately, do not mix uncertain juveniles for convenience, and label offspring honestly.

Fry need mature filtration, safe intakes, stable hard alkaline water and food appropriate to their small mouths. A larger number of growing juveniles can increase waste rapidly. Plan rearing and responsible placement before spawning rather than after the brood is released.

Health observation starts with behaviour and water

A settled zebra mbuna should be alert, responsive and able to hold position without laboured breathing. Fins should be carried normally, the body should not be pinched or swollen, and every fish should have access to food. Colour changes alone are difficult to interpret because light, background, hierarchy and stress all affect appearance.

When a fish hides, clamps its fins, flashes, breathes rapidly or stops eating, first check temperature, ammonia, nitrite, pH trend, oxygenation, filter flow and aggression. This does not replace diagnosis, but it prevents environmental causes from being missed while medication is considered. Treating without identifying the problem can add stress and damage the biological filter.

Mbuna can suffer injury from chasing and collisions with unstable or sharp rock. Inspect fins, mouth and flanks daily in a new group. A wounded subordinate may need separation even when water quality is excellent. Waiting for visible severe damage can make recovery harder.

Digestive swelling, abnormal faeces or persistent refusal to feed requires prompt attention. Review ration size, food type, unequal access and water quality. The phrase Malawi bloat is used broadly in the hobby and should not become a guess-based diagnosis. Seek an aquatic veterinarian or experienced fish-health professional when signs are severe, spreading or not explained by the environment.

Quarantine and introducing a new fish

Quarantine is strongly recommended because it provides time to observe feeding, breathing, external condition and waste before the fish enters a complex rock display. The quarantine aquarium must itself be mature, heated, covered and matched to hard alkaline conditions. Bare simplicity can improve observation, but the fish still needs secure shelter and freedom from reflected or visual stress.

Use separate equipment where practical and avoid moving water, nets or wet hands from quarantine into the display without cleaning. Record daily observations rather than relying on a final glance. A fish that feeds confidently for several days and shows normal respiration provides better evidence than one that merely survives a fixed calendar period.

For final introduction, compare the newcomer with resident size and behaviour. Reduce lighting, ensure several exits are open and consider a controlled rearrangement that prevents one resident from defending every familiar landmark. Observe continuously at first and repeatedly over the following days. Night-time calm does not prove daytime compatibility.

Have the separation aquarium ready before the bag arrives. Catching and housing an injured fish after a crisis is much harder than acting at the first persistent exclusion. A transparent isolation box can assist short observation in some setups, but it is not long-term territory and may expose a fish to continuous visual threats.

Arrival and acclimation

Prepare the destination before dispatch: cycle the filter, stabilise temperature and mineral content, secure rockwork, protect intakes and confirm the lid fits. Do not order a live fish to start or test a new cycle. The aquarium should already process its expected waste load with ammonia and nitrite at zero.

On arrival, inspect the package and follow the current instructions supplied with the order. Dim the room and aquarium. Temperature adjustment and water-chemistry adjustment are different tasks, and the appropriate method depends on the difference between shipping water and the prepared aquarium. The new-fish acclimation guide explains the decision points, while the acclimation timer can help keep the chosen process controlled.

Do not leave an opened shipping bag warming for an unnecessarily long time. Once opened, changing gas balance can alter the toxicity of accumulated waste. Avoid adding shipping water to the aquarium where practical, use a clean fish-safe transfer method and never pour a fish through a dry abrasive net.

After transfer, keep lighting low and allow the fish to find cover. Do not force a large meal immediately. Confirm breathing, orientation and the reaction of residents. Photograph any arrival concern and follow the reporting steps and window in the current Live Arrival Guarantee terms.

The first seven days

The first week is an observation period, not a reason for constant intervention. Check respiration, posture, fin condition, feeding access and social position at the same times each day. A new fish may use cover, but it should not remain permanently trapped, attacked or unable to eat.

Feed lightly at first and remove uneaten food. Test ammonia and nitrite after the new bioload enters the system, particularly in a quarantine tank or after multiple fish arrive. Check filter flow and temperature. If the aquarium was only just able to support its previous stock, the added load can expose that weakness quickly.

Distinguish exploration from displacement. A fish choosing several shelters and emerging to graze is different from a fish confined to one top corner by a dominant resident. Record which fish initiates chases, where they occur and whether the subordinate can recover. This makes a separation decision more objective.

Avoid adding more fish to "spread aggression" as an emergency response unless the entire system was deliberately designed and quarantined for that plan. More fish also mean more waste and more possible rivals. The fastest welfare improvement for a targeted individual is often safe separation.

Routine maintenance for long-term stability

Set the water-change schedule from measured waste production rather than a generic calendar alone. Many stocked Malawi aquariums need substantial regular changes, but the correct frequency and volume depend on source water, nitrate trend, feeding, filtration and stock. Match replacement temperature and prepared mineral content closely enough to avoid abrupt change.

Vacuum accessible waste without dismantling all territories at once. Clean mechanical filtration before flow collapses and service biological media in stages. Inspect pumps, air equipment and heater operation. A gradual reduction in circulation can be easy to miss until warm weather or an extra feeding increases oxygen demand.

Weigh or photograph fish periodically where practical, using the same angle and lighting. This can reveal slow loss of condition in a subordinate fish that still appears at feeding time. Keep notes on social changes as juveniles mature; a group that works at 4 cm may need a different plan at adult size.

Check the physical structure after maintenance. Digging can expose support points, and algae can hide cracks or sharp edges. Confirm the lid remains secure around cables and pipework. Cichlids can jump when chased or startled even if they normally remain near the rocks.

What the four gallery images can and cannot tell you

The existing four images remain in their original order. They are representative visuals, not photographs of the supplier batch or the exact fish dispatched. Their bright blue bodies and dark bars communicate the broad idea of a blue zebra-type mbuna, but they must not be used to identify a locality, sex a juvenile or predict the precise colour of a living fish.

One image shows two fish. It is an illustrative composition, not evidence that two fish are supplied, that the pictured fish are male and female or that two unsexed fish will form a pair. Another places the fish beside a plant; the plant is not a calibrated scale. Driftwood and planted scenery are artistic contexts and should not replace the rock-led habitat guidance in this description.

The retained private source image is only 300 x 144 pixels and visibly compressed. It shows a more uniformly cobalt-blue fish with weaker barring than the gallery. That difference is disclosed rather than hidden.

Expect living variation. Juveniles may look different from mature fish; hierarchy, stress, lighting, food, background and genetics can affect apparent colour. The selected option controls the approximate grade, not an image match. Ask before ordering if a visual trait is essential, because neither this page nor an illustrative render can create a guarantee the supplier did not provide.

Compare related Malawi listings by husbandry, not colour alone

The Blue OB Masinje Zebra Mbuna is another listing connected to Maylandia zebra, but its trade-form wording and appearance should remain distinct. The Gold Mundola Point Zebra Mbuna is an undescribed locality-linked trade form with a more demanding adult planning profile. These pages help compare evidence limits; they are not an invitation to mix zebra forms and produce uncertain offspring.

The Usisya Mara Rock Mbuna is another territorial rock cichlid with locality-linked nomenclature. Compare its adult plan, feeding ecology and social uncertainty before choosing. Similar habitat use can increase competition when fish share the same aquarium.

The Spindle Hap Cichlid and Red Dragon Peacock Cichlid represent different Malawi aquarium directions. Haps and peacocks may prefer more open swimming or sand-transition space and can need different feeding and social plans. They are included as comparisons, not endorsed companions for this zebra mbuna.

Pre-purchase checklist

• The aquarium is mature, covered and already maintains ammonia and nitrite at zero.
• The adult-planned footprint, rock territories and swimming routes are ready before purchase.
• Temperature, pH and hardness have been measured and can be reproduced during water changes.
• The selected grade is safe relative to filter intakes and the adult size of every resident.
• You understand that each quantity is one unsexed fish, not a pair or guaranteed ratio.
• You understand that XL has no certified centimetre range in the supplier record.
• Quantity pricing has not been mistaken for a minimum school-size instruction.
• Every proposed tank mate has been checked for adult behaviour, diet and water chemistry.
• A mature heated separation or quarantine aquarium is available immediately.
• The four gallery images are being treated as illustrative rather than diagnostic.
• Any breeding plan protects identity records and avoids distributing uncertain hybrids as pure stock.
• The delivery date allows immediate receipt, inspection and acclimation.

Scientific references and evidence limits

The accepted name and synonym bridge are checked against Eschmeyer's Catalog of Fishes. Species size, water, habitat and feeding context are checked against the FishBase Maylandia zebra summary. The taxonomic separation of the blue-black zebra complex is documented in the 1997 revision by Stauffer and colleagues.

The continuing genus-name issue is addressed by the 2025 Zootaxa nomenclatural review. The separate Cobalt Blue Zebra entity can be checked in the FishBase Maylandia callainos record. These sources support the species-level profile; they do not certify the locality, lineage, sex, colour or wild status of this commercial batch.

Tropical Fish Co planning guidance, including the 120 x 45 cm starting footprint and roughly 250-litre adult plan, is deliberately labelled as conservative aquarium guidance rather than a value measured in the lake or a universal compatibility guarantee. A larger aquarium can still fail through poor structure, incompatible fish or weak filtration, and a smaller fish is not a reason to postpone adult planning.

Ordering, delivery protection and first-purchase saving

Select the size grade and quantity only after completing the aquarium, social and contingency checks above. Current price, stock and quantity savings are shown by the live buy box and can change independently for each variant. This description does not replace that live availability information.

Eligible livestock orders are covered by the current Live Arrival Guarantee when its instructions and reporting window are followed. Read the terms before dispatch, be present to receive the parcel and document any concern promptly. Eligible new customers can use WELCOME10 for 10% off their first purchase under the current promotion terms.

The most useful purchase is the one the prepared aquarium can support. Choosing the correct grade, keeping the identity limitation visible and planning for adult territorial behaviour protects the fish and gives this distinctive Blue + Blue Zebra Mbuna a far better start than buying by colour alone.