Moderate
Neon Spot Mbuna Cichlid (Pseudotropheus sp. neon spot)
24–28°C · pH 7.5–8.5 · 200L
£13.99
William's Mbuna (Redtop Ice Blue) is a striking blue-bodied Lake Malawi cichlid with a vivid red dorsal top. A hardy, characterful African cichlid for a hard-water, rock-built Malawi aquarium of 200 litres or more. Buy online with tracked UK delivery.
Adult size is the maximum length this species reaches at full maturity (scientific sources). The livestock you receive will be younger and smaller — pick a size variant above for the actual shipping size. Photos are AI-enhanced, so the animal may show subtle colour or marking differences.
Pseudotropheus greishakei
William's Mbuna, Redtop Ice Blue are a shoaling species — they need 6+ to feel safe and show their full colour.
William's Mbuna (Redtop Ice Blue) is a striking blue-bodied Lake Malawi cichlid with a vivid red dorsal top. A hardy, characterful African cichlid for a hard-water, rock-built Malawi aquarium of 200 litres or more. Buy online with tracked UK delivery.
Adult size is the maximum length this species reaches at full maturity (scientific sources). The livestock you receive will be younger and smaller — pick a size variant above for the actual shipping size. Photos are AI-enhanced, so the animal may show subtle colour or marking differences.
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 William's Mbuna, also sold as the Redtop Ice Blue, is one of the most recognisable rock-dwelling cichlids in the Lake Malawi hobby, and a standout choice if you are searching for tropical fish for sale UK with genuine Rift Lake character. Known scientifically as Pseudotropheus greishakei, it pairs a blue to ice-blue body with a bold red-orange dorsal top and the classic power and attitude that mbuna keepers love. It comes from the rocky shoreline zones of Lake Malawi, reaches around 10 cm in the aquarium, can live up to 8 years, and is a moderate-care fish with an assertive temperament. For aquarists asking what size tank suits an active Malawi species, this is not a fish for a tiny setup: the williams red top mbuna minimum tank size starts at 200 litres, with larger tanks giving better social balance.
This species suits keepers who enjoy hard-water cichlids, colourful rockscapes, and fish that display natural hierarchy, courtship, and grazing behaviour. It is also a sensible step for hobbyists moving beyond a basic tropical fish tank beginner's guide into more specialised African cichlid care. When kept at the correct tropical fish tank temperature, in alkaline water, and with a properly structured rock layout, William's Mbuna reward you with intense colour, confident swimming, and fascinating behaviour that turns a standard aquarium into a true Rift Lake showcase.
William's Mbuna is a rock-dwelling African cichlid from the famous mbuna group of Lake Malawi. In the aquarium hobby it is valued for its strong colour contrast, territorial displays, and suitability for dedicated Malawi setups. It sits alongside other popular Lake Malawi cichlids kept by aquarists who prefer mineral-rich water, rocky decor, and highly active fish communities. For broader husbandry background, our cichlid care guide covers the water chemistry and aquascaping principles shared across Malawi mbuna.
William's Mbuna comes from Lake Malawi in East Africa, one of the great Rift Valley lakes and one of the most important natural homes of African cichlids in the hobby. In the wild, Pseudotropheus greishakei is associated with rocky shoreline habitats, often in shallow water less than 2 metres deep. These zones are bright, oxygen-rich, wave-washed, and full of algae-covered stone surfaces. That matters because the fish is built for life among rocks: it darts between crevices, defends feeding patches, and grazes naturally from hard surfaces.
This natural setting explains nearly every part of a good williams red top mbuna care guide. The species is adapted to hard, alkaline water rather than the softer water used for many community fish like tetras. Compared with a mixed community aquarium, the whole system changes for a Malawi cichlid: harder water, more rockwork, stronger filtration, and tank mates chosen for attitude as much as appearance.
In the wild these fish live in a complex, algae-rich environment of biofilm, microorganisms, rocky grazing surfaces, and constant visual boundaries. Their natural food is largely plant-based, which is why a proper williams red top mbuna diet should stay focused on spirulina, algae-rich foods, and vegetable matter instead of high-protein meaty staples. Hobbyists looking at lake malawi cichlids for sale uk often underestimate how important this is.
When planning a Malawi tank setup, the goal is not to copy a planted Amazon tank or a generic starter aquarium. It is to recreate a rocky, mineral-rich shoreline. Questions about the right pH and which plants to use have different answers here than they do for soft-water fish: aim for pH 7.5-8.5, use robust decor, and choose plants only if they tolerate hard alkaline conditions and occasional digging. If you are comparing this fish with alternative species, think in terms of mbuna and other Rift Lake cichlids rather than soft-water community fish.
Mimicking the natural rocky habitat does more than improve appearance. It reduces line-of-sight aggression, gives females places to retreat, and encourages the grazing behaviour that keeps mbuna active and settled.
A proper setup is the difference between a stressed, aggressive fish and a thriving display animal. For this species you need big volume, stable chemistry, heavy biological filtration, and plenty of rock structure. This is not a fish for a small tank or a basic starter kit. It is active, territorial, and produces a notable bioload, especially when kept in the recommended group of one male with three or more females.
The williams red top mbuna tank size should be at least 200 litres, though 240-300 litres is far better for long-term success. The minimum works as a starting point, but extra floor space helps spread aggression and gives subordinate fish escape routes. Length matters more than height; a 120 cm tank is a practical target. With mbuna, bigger is always safer.
The ideal temperature for this species is 24-28°C, with everyday care sitting nicely around 25-26°C. Keep the temperature steady rather than swinging, because stable warmth and oxygenation matter more than chasing the highest setting. A reliable aquarium heater, checked against a separate thermometer, should hold the tank in the mid-20s Celsius. In the UK, 24-28°C is the right range, and the water should never be allowed to drift too low overnight; water that runs too hot can increase aggression and lower oxygen levels.
Because mbuna are messy grazers and often kept in groups, strong filtration is essential. Heater-and-filter equipment suited to a heavily stocked cichlid tank is ideal, and many aquarists prefer canister filters or oversized internal filters with excellent biological media. Choose filtration rated above the actual tank volume, and place the heater where there is good flow so heat spreads evenly.
Fine sand or smooth gravel works well, but the real priority is rockwork. Build stable piles of limestone, ocean rock, or inert stacked stone to create caves and sight breaks. This species does not need delicate aquascaping; it needs territory markers. Rock structures must be secure before any fish are added.
Most mbuna tanks are lightly planted or plant-free. If you do add greenery, use hardy species such as Anubias or Java fern attached to decor rather than rooted stems, and expect occasional nibbling. Lighting should be moderate, enough to show colour and support a little natural algae growth without driving nuisance blooms. If a tank starts going green, reduce excess light and feeding before blaming the fish.
Always cycle the tank for 4-6 weeks before adding mbuna. The biological cycle is the part of any setup you cannot skip.
For aquarists browsing our wider tropical fish for sale collection, Malawi species like this pair best with a dedicated cichlid layout rather than mixed soft-water decor. If you want comparable African cichlid colour and presence, look at Yellow Elongatus Cichlid - Chindongo Elongatus, Rubin Red Peacock Cichlid - Aulonocara, or Aulonocara kandeense for contrast in shape and display style.
The williams red top mbuna diet should be based on herbivorous foods. In nature these fish graze algae and associated microorganisms from rocks, so in the aquarium they do best on spirulina flakes, quality vegetable-based cichlid pellets, algae wafers, and blanched greens such as spinach, courgette, or shelled peas in moderation. Diet is one of the most important parts of hard-water mbuna care, because digestive problems are often linked to the wrong food, not just the wrong water.
William's Mbuna are grazers, not a cleanup crew. They will browse natural algae films on rocks but should not be relied on to control snails or eat leftovers like dedicated bottom-feeding catfish; they still need a complete prepared diet of their own.
Feed a high-quality spirulina flake or herbivore cichlid pellet once or twice daily. This should form the bulk of the diet. A little natural algae on the rocks is beneficial and gives the fish something to browse between meals.
Supplement with algae wafers and blanched vegetables. Occasional daphnia can be used sparingly, but avoid making rich protein foods a routine part of feeding. A controlled amount of algae growth on rocks is normal in a Malawi tank, while nuisance outbreaks of brown, green, or hair algae usually point to excess nutrients and lighting rather than a feeding fault.
Avoid beef heart, excessive bloodworm, and other rich meaty foods. These can contribute to Malawi bloat in herbivorous mbuna. Improve maintenance and water quality before reaching for algae treatments or heavy planted-tank fertilisers, which can worsen algae issues in a rock-dominant setup.
Feed small portions that are finished in 30-60 seconds, one to two times daily. This keeps digestion steady and reduces waste. In a heavily stocked mbuna tank, several smaller meals are much safer than one large feed.
| Time | Food | Amount |
|---|---|---|
| Morning | Spirulina flake or herbivore pellet | Small pinch, eaten within 30-60 seconds |
| Evening | Algae wafer or blanched vegetable | Very small portion, remove leftovers after 2 hours |
Overfeeding causes ammonia spikes, poor water quality, and digestive stress. Mbuna often act hungry even when well fed, so judge portions by body condition and water quality, not by how eagerly they rush the glass.
William's Mbuna is a compact, muscular cichlid with the classic mbuna body shape: deep-bodied, laterally compressed, and built for agile movement around rocks. In aquariums, adults usually reach around 10 cm, though wild records note the species can grow larger. The head is strong, the mouth is adapted for grazing, and mature fish show the confident posture typical of territorial rock-dwelling cichlids.
The main attraction is the colour pattern. Males typically develop the most dramatic contrast, with a blue to ice-blue body, darker barring, and the vivid red or orange-red dorsal region that gives the Redtop Ice Blue its name. Blue lip tones can become especially noticeable in settled specimens under good lighting. Females and subordinate fish are usually plainer, though still attractive. For the best colour, a stable hierarchy, the correct diet, and dark rock backgrounds all help.
This fish looks its best in a tank designed around its needs rather than a mixed display, which is part of why keepers searching for mbuna for sale uk or malawi cichlids for sale value it. The right tank size, stable temperature, and mineral-rich water all support stronger colour. It is not really a fish for a heavily planted show tank; rocky contrast suits it far better.
Sexing is easiest in mature groups. Males are usually larger, brighter, and more territorial. Females tend to be less intense in colour and spend more time avoiding direct confrontation. If you are planning a breeding group, visual maturity matters more than trying to identify juveniles too early.
This species is territorial, fast, and capable of sustained aggression, especially the males. That does not mean it cannot be mixed, but it does mean you need the right williams red top mbuna compatible fish. A williams red top mbuna community tank should be a "Malawi community" rather than a general mixed tropical aquarium. This is not a suitable fish for guppies, tetras, shrimp, or peaceful fancy species, which need different water chemistry and social conditions.
The best tank mates for williams red top mbuna are other robust African cichlids with similar water requirements and enough confidence to hold their own. Good options include similarly sized mbuna and some hardy catfish such as Synodontis. Suitable williams red top mbuna tank mates should share the same alkaline, hard-water setup and be introduced with a clear stocking plan.
Good companion choices from our range include Yellow Elongatus Cichlid - Chindongo Elongatus for a classic mbuna combination, Rubin Red Peacock Cichlid - Aulonocara only with caution in larger, carefully planned tanks, and Aulonocara kandeense where temperament and layout are managed closely. If you want a different cichlid look entirely, Thorichthys Maculipinnis - Elliot'S Cichlid - and Guianacara Dacrya - South American Cichlid are attractive, but they suit different water chemistry and should not be mixed into a Malawi setup.
Avoid small peaceful fish, long-finned fish, shrimp, and most snails. Also avoid mixing with very timid Haps or delicate Peacocks in cramped tanks. The idea of a williams red top mbuna for community tank does not work in a standard mixed community setup; it needs a specialised cichlid community with matching temperament.
One male with three or more females is the standard social structure. Stocking slightly heavily, combined with excellent filtration and rock breaks, can spread aggression. This surprises people used to a general tank-mate chart, but mbuna tanks often work best with carefully managed density rather than sparse stocking. In a larger display, multiple species groups can work well when each has space and territory breaks.
| Species | Compatible? | Notes |
|---|---|---|
| Yellow Elongatus Cichlid - Chindongo Elongatus | Yes | Similar Malawi requirements and assertive enough for mbuna setups |
| Rubin Red Peacock Cichlid - Aulonocara | Caution | Possible in larger tanks, but Peacocks can be stressed by aggressive mbuna |
| Shrimp, guppies, tetras | Avoid | Wrong temperament, wrong water style, and high predation/stress risk |
Long-term success also depends on maintenance. Keep conditions stable with weekly testing and water changes. The key to keeping a mbuna tank clean and the water clear is strong filtration, controlled feeding, and regular gravel cleaning around rockwork. You should also know how to test and change the water safely, without causing temperature or pH swings.
Always use a quarantine tank for 2-4 weeks before adding new cichlids. Quarantine reduces disease risk and lets you assess temperament before the fish enters an established territory.
Williams red top mbuna breeding is considered relatively easy once the fish are mature, settled, and kept in the correct social ratio. This species is a maternal mouthbrooder, which means the female carries the fertilised eggs in her mouth until the fry are ready to be released. For many aquarists this is one of the most rewarding parts of keeping mbuna.
A dedicated breeding group should be kept in a mature tank of at least 200 litres, though larger is better. A strong male, several females, stable rock territories, and excellent water quality are the essentials. A lone williams red top mbuna breeding pair often leads to excessive male harassment, so a group is usually safer. Keep the water temperature around 25-27°C and maintain high oxygen levels.
The male intensifies in colour and claims a display site on rock or sand. He courts females with quivering movements and circling displays. After spawning, the female picks up the eggs into her mouth, so unlike egg-scattering species you usually will not see free eggs for long. Debris or fungus is sometimes mistaken for eggs, but in this species successful eggs are held by the female rather than left exposed.
The female may hold for around 18-28 days depending on temperature and stress, and she often eats very little during this period. Once released, fry can take finely crushed spirulina flake, powdered herbivore fry food, and newly hatched brine shrimp in moderation. Frequent small feeds and clean water are essential, and stable temperature throughout holding greatly improves survival.
The main problems are stress, bullying, and stripping holding females too early. Good diet, stable mineral-rich water, and a sound social structure matter far more than additives or timing tricks; breeding success comes from consistency.
If a holding female is being harassed, move her to a mature rearing tank with matching pH and temperature rather than stripping immediately. Mouthbrooding females often produce stronger fry when allowed to hold naturally in a calm environment.
Choosing between Malawi cichlids is not just about colour. It is about tank size, aggression level, and the style of display you want. The closest practical comparison for William's Mbuna is another assertive mbuna rather than a soft-water cichlid. Below is a simple side-by-side look at William's Mbuna and the Yellow Elongatus.
| Feature | William's Mbuna | Yellow Elongatus Cichlid |
|---|---|---|
| Max Size | 10 cm typical aquarium size | 10-12 cm |
| Care Level | Moderate | Moderate |
| Temperature | 24-28°C | 24-28°C |
| Best For | Rocky Malawi tanks with bold colour contrast | Active mbuna communities with strong yellow patterning |
| Feature | William's Mbuna | Rubin Red Peacock |
|---|---|---|
| Body Type | Compact mbuna grazer | More open-water Peacock cichlid shape |
| Temperament | Territorial and aggressive | Moderately assertive but often less combative |
| Diet Focus | Herbivore | More omnivorous/insect-based |
| Tank Style | Heavy rockwork | Open sand with rock accents |
| Best For | Dedicated mbuna keeper | Display-focused Peacock enthusiast |
Choose William's Mbuna if you want a true rock-dwelling Lake Malawi cichlid with strong behaviour, compact size, and a vivid red dorsal top. Choose Yellow Elongatus Cichlid - Chindongo Elongatus if you want a different mbuna colour palette, or consider Rubin Red Peacock Cichlid - Aulonocara and Aulonocara Sp Neon Red Calico Peacock if you prefer a less rock-bound display style. For buyers wondering where can i buy malawi cichlids online, the better question is which species actually matches your tank plan.
A healthy William's Mbuna is alert, active, feeding eagerly, and holding its fins well. Colours should be clear, the body should look full but not swollen, and the fish should move confidently through the rockwork. The best defence against disease is always stable water quality, enough space, and the correct diet for the species.
The biggest health risks are Malawi bloat, stress-related bacterial infections, and general diseases linked to poor water quality or incompatible tank mates. Bloat is strongly associated with overfeeding and excessive protein in herbivorous mbuna. White stringy waste, swelling, lethargy, and loss of appetite are warning signs. External parasites may also appear in newly imported or poorly quarantined fish.
Prevention starts with diet, water changes, and observation. Use a suitable water conditioner when preparing new water, and keep your maintenance routine consistent. Weekly partial water changes of 25-40% are common for mbuna systems. Test ammonia, nitrite, nitrate, and pH regularly; good husbandry is more effective than reacting late with medication.
Quarantine is essential. A separate quarantine tank lets you monitor new arrivals for 2-4 weeks before they enter the main display. Fish can come from many systems with different pathogen exposure, so quarantine matters regardless of where the fish were bought.
Never rely on medication as a substitute for proper diet and water quality. Avoid copper-based treatments in mixed systems containing sensitive invertebrates, and always confirm dosage for hard alkaline water conditions.
William's Mbuna are active, territorial, and constantly aware of their surroundings. They spend much of the day patrolling rock faces, grazing surfaces, displaying to rivals, and reacting to movement outside the tank. This is not a shy species, and that is part of its appeal. It can suit a committed beginner who researches mbuna care properly, but it is not a casual first fish.
Socially, the species works best in a structured group rather than as a lone specimen. Males establish territory, females move through the rockwork more freely, and a hierarchy is always present. It does not "school" the way tetras do, but group structure still matters: if the tank is too open, aggression rises, and if the tank is too small, weaker fish have nowhere to retreat.
Natural behaviour is easiest to observe in a mature rocky tank with stable water parameters, moderate lighting, and a little algae growth on stones. Breeding displays, mouthbrooding, and grazing all become more obvious when the fish feels secure. This species is best appreciated by aquarists who enjoy behaviour as much as colour.
When buying tropical fish for sale online, species-specific preparation matters. William's Mbuna are not generic mixed tropicals; they need to arrive in strong condition, with good body mass, intact fins, and enough resilience to settle into a cichlid hierarchy. Our selection focuses on healthy, active specimens suited to dedicated Malawi setups. Before dispatch, fish are observed for feeding response and general condition, and we only send fish that are behaving normally and eating well.
For customers looking to buy fish online, buy live fish online uk, or buy tropical fish UK, shipping is handled with insulated packaging, secure bagging, and seasonal heat packs when needed. Tracked delivery helps minimise transit time, and fish are packed professionally to reduce stress during travel. That is especially important for assertive cichlids, which often arrive in better shape when packed individually or in carefully planned combinations.
The advantage of a specialist listing over a general search like tropical fish shop near me or best place to buy tropical fish uk is that you get care information tailored to this exact species, not generic tropical advice. We regularly help customers comparing mbuna cichlids for sale near me, lake malawi cichlids for sale uk, and mbuna for sale uk decide whether this fish suits their tank. If your goal is a true Malawi cichlid display, William's Mbuna is an excellent fit.
Order your William's Mbuna (Redtop Ice Blue) today with confidence if you want a bold, characterful African cichlid for a properly planned hard-water setup.
Building a stronger Malawi display is easier when you choose compatible species and a matching setup. Add contrast with Yellow Elongatus Cichlid - Chindongo Elongatus for another bold mbuna option, or compare display styles with Aulonocara Sp Neon Red Calico Peacock and Rubin Red Peacock Cichlid - Aulonocara. If you enjoy African cichlids with different body shapes and colour balance, Kiriza Yellow Cichlid - Tropheus Moorii and Orange I Blunthead Cichlid - Tropheus are also worth a look. You can browse the wider tropical fish for sale range to compare Malawi species, community fish, and other specialist aquarium stock before finalising your stocking plan.
24–28°C · pH 7.5–8.5 · 200L
24–28°C · pH 7.5–8.5 · 200L
24–28°C · pH 7.5–8.5 · 200L
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