{"product_id":"dwarf-cichlids-apistogramma-south-american-uk-opal","title":"Apistogramma Borellii «Opal» - UK","description":"\u003cp\u003eIf you are looking for \u003cstrong\u003edwarf cichlids for sale UK\u003c\/strong\u003e aquarists can keep with confidence, \u003cem\u003eApistogramma borellii\u003c\/em\u003e “Opal” deserves a very close look. Often called the Opal Umbrella Cichlid, this South American favourite combines shimmering blue, yellow and opalescent highlights with a calmer temperament than many other \u003cstrong\u003eSouth American cichlids for sale UK\u003c\/strong\u003e hobbyists consider. It stays compact at around 6.5 cm, suits a well-planned \u003cstrong\u003edwarf cichlid planted tank setup\u003c\/strong\u003e, and is widely regarded as one of the \u003cstrong\u003ebest dwarf cichlids for beginners\u003c\/strong\u003e who want real character without the intensity of larger cichlids. This species comes from Paraguay, Brazil and Argentina, tolerates slightly cooler water than many other \u003cstrong\u003efreshwater cichlids UK\u003c\/strong\u003e keepers buy, and can live for around 5 years when given stable care. See our detailed photos showing the metallic face sheen, extended finnage in mature males, and the soft golden body glow that makes this one of the most appealing \u003cstrong\u003ecolourful dwarf cichlids\u003c\/strong\u003e available. Whether you want \u003cstrong\u003eApistogramma for sale UK\u003c\/strong\u003e for a peaceful community display or you plan to \u003cstrong\u003ebuy dwarf cichlid UK\u003c\/strong\u003e stock for a species-focused aquarium, the Opal form offers beauty, manageable care, and fascinating behaviour in one compact fish.\u003c\/p\u003e\n\n\u003cdiv class=\"info-box\"\u003e\n  \u003ch4\u003e🔹 Quick Facts\u003c\/h4\u003e\n  \u003cul\u003e\n    \u003cli\u003e\n\u003cstrong\u003eScientific Name:\u003c\/strong\u003e \u003cem\u003eApistogramma borellii\u003c\/em\u003e\n\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eCare Level:\u003c\/strong\u003e Easy to moderate\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eMin Tank Size:\u003c\/strong\u003e 60 litres (around 13 UK gallons)\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eTemperature:\u003c\/strong\u003e 20-26°C (68-79°F)\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003epH Range:\u003c\/strong\u003e 5.5-7.5\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eLifespan:\u003c\/strong\u003e Up to 5 years\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eTemperament:\u003c\/strong\u003e Peaceful, mildly territorial when breeding\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eDiet:\u003c\/strong\u003e Omnivore\u003c\/li\u003e\n  \u003c\/ul\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"species-profile\"\u003e\n  \u003ch3\u003eClassification\u003c\/h3\u003e\n  \u003cul\u003e\n    \u003cli\u003e\n\u003cstrong\u003eOrder:\u003c\/strong\u003e Cichliformes\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eFamily:\u003c\/strong\u003e Cichlidae\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eGenus:\u003c\/strong\u003e Apistogramma\u003c\/li\u003e\n  \u003c\/ul\u003e\n  \u003cp\u003e\u003cem\u003eApistogramma borellii\u003c\/em\u003e sits within one of the most popular groups of \u003cstrong\u003esouth american dwarf cichlids for sale uk\u003c\/strong\u003e hobbyists seek out. In the aquarium trade, Borellii has earned a reputation as one of the \u003cstrong\u003eeasiest Apistogramma species\u003c\/strong\u003e thanks to its broad tolerance range, smaller adult size, and relatively gentle nature. The “Opal” form is especially valued for its bright reflective scaling and elegant finnage, placing it high on many keepers’ \u003cstrong\u003elist of dwarf cichlids\u003c\/strong\u003e for planted aquariums.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003ch2 id=\"origin\"\u003eWhere Do Apistogramma Borellii “Opal” Come From? Natural Habitat Explained\u003c\/h2\u003e\n\u003cp\u003eThe natural \u003cstrong\u003eApistogramma Borellii «Opal» habitat\u003c\/strong\u003e is found across parts of Paraguay, southern Brazil and northern Argentina, where these fish occupy shallow margins, slow tributaries, floodplain pools and calm backwaters. Unlike some tropical dwarf cichlids that demand very warm water year-round, this species often experiences seasonal variation. That helps explain why the \u003cstrong\u003eApistogramma Borellii «Opal» water temperature\u003c\/strong\u003e range in aquariums can be a little cooler than many expect.\u003c\/p\u003e\n\u003cp\u003eIn the wild, these fish stay close to the bottom among leaf litter, fine sand, fallen branches and dense marginal vegetation. This tells us a lot about \u003cstrong\u003eApistogramma Borellii «Opal» aquarium requirements\u003c\/strong\u003e. They are not open-water swimmers. They want broken lines of sight, low caves, shaded areas and gentle current. A naturalistic scape with wood, botanicals and rooted plants is far closer to their true environment than a bright, bare setup.\u003c\/p\u003e\n\u003cp\u003eWild Borellii feed on tiny benthic invertebrates, insect larvae, micro-crustaceans and organic matter they pick through from the substrate. That natural feeding style influences the best \u003cstrong\u003eApistogramma Borellii «Opal» diet\u003c\/strong\u003e in captivity: small, varied foods offered in modest portions rather than large floating meals. Their habitat is often soft to moderately soft, slightly acidic to neutral, but one reason this fish is so popular among \u003cstrong\u003etropical dwarf fish UK\u003c\/strong\u003e keepers is that it adapts better than many Apistogramma to a wider range of home aquarium conditions.\u003c\/p\u003e\n\u003cp\u003eBecause they come from vegetated margins and quiet waters, they are an excellent choice for an \u003cstrong\u003eApistogramma Borellii «Opal» for planted tank\u003c\/strong\u003e display. Their colours also intensify over dark substrate and among dappled lighting. If you are planning \u003cstrong\u003eApistogramma Borellii «Opal» aquarium ideas\u003c\/strong\u003e, think shallow caves, driftwood arches, patches of cover and open feeding areas over sand. This is one of the clearest examples of a fish where habitat-led design improves colour, confidence and natural behaviour.\u003c\/p\u003e\n\u003cdiv class=\"tip-box\"\u003e\n  \u003ch4\u003e💡 Expert Tip\u003c\/h4\u003e\n  \u003cp\u003eMimicking the natural habitat of \u003cem\u003eApistogramma borellii\u003c\/em\u003e improves health and brings out natural behaviours. In my experience, fish kept over fine sand with leaf litter and at least three visual barriers show stronger colour, less chasing and more confident feeding within the first week.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003ch2 id=\"tank-setup\"\u003eHow to Set Up the Perfect Tank for Apistogramma Borellii “Opal”\u003c\/h2\u003e\n\u003cp\u003eA well-designed setup is the difference between a fish that merely survives and one that displays the full charm this species is known for. The good news is that the \u003cstrong\u003eApistogramma Borellii «Opal» care guide\u003c\/strong\u003e is more forgiving than for many other dwarf cichlids, but there are still some clear priorities.\u003c\/p\u003e\n\u003ch3\u003eTank Size Requirements\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003eApistogramma Borellii «Opal» minimum tank size\u003c\/strong\u003e is 60 litres for a pair or a carefully managed trio, and that is also the practical \u003cstrong\u003eApistogramma Borellii «Opal» tank size\u003c\/strong\u003e most keepers should treat as the starting point. For one male with 2-3 females, more floor space is better, especially if you want multiple caves and territories. In a community aquarium, 75-90 litres gives far better results than trying to force them into a cramped footprint.\u003c\/p\u003e\n\u003cp\u003eCan this species work as \u003cstrong\u003eApistogramma Borellii «Opal» for small aquarium\u003c\/strong\u003e stock? Yes, but only if “small” still means a mature, stable tank with enough horizontal territory. A rushed \u003cstrong\u003edwarf cichlid nano tank setup\u003c\/strong\u003e often fails because there is not enough room for subdominant fish to avoid attention. For a true long-term display, choose footprint over height.\u003c\/p\u003e\n\u003ch3\u003eWater Parameters\u003c\/h3\u003e\n\u003cp\u003eThe ideal \u003cstrong\u003eApistogramma Borellii «Opal» water parameters\u003c\/strong\u003e are 20-26°C, pH 5.5-7.5, and hardness 2-15 dGH. The best \u003cstrong\u003eApistogramma Borellii «Opal» ideal water conditions\u003c\/strong\u003e for colour and breeding are usually near the softer, slightly acidic end, but for general care they are adaptable. Their \u003cstrong\u003eApistogramma Borellii «Opal» pH level\u003c\/strong\u003e does not need to be extremely low unless you are aiming for more consistent spawning and fry survival.\u003c\/p\u003e\n\u003cp\u003eFor keepers comparing species, this is one reason Borellii is often recommended over fussier alternatives. The species handles a wider range of \u003cstrong\u003edwarf cichlid water hardness\u003c\/strong\u003e than many Apistogramma, and its \u003cstrong\u003edwarf cichlid temperature requirements\u003c\/strong\u003e are easier to meet in many UK homes. That said, stability matters more than chasing an exact number. Avoid sudden swings in temperature, pH or conductivity.\u003c\/p\u003e\n\u003cdiv class=\"spec-grid\"\u003e\n  \u003cdiv class=\"spec-card\"\u003e\n\u003cdiv class=\"spec-value\"\u003e20-26°C\u003c\/div\u003e\n\u003cdiv class=\"spec-label\"\u003eWater Temperature\u003c\/div\u003e\n\u003c\/div\u003e\n  \u003cdiv class=\"spec-card\"\u003e\n\u003cdiv class=\"spec-value\"\u003e5.5-7.5\u003c\/div\u003e\n\u003cdiv class=\"spec-label\"\u003epH Range\u003c\/div\u003e\n\u003c\/div\u003e\n  \u003cdiv class=\"spec-card\"\u003e\n\u003cdiv class=\"spec-value\"\u003e2-15 dGH\u003c\/div\u003e\n\u003cdiv class=\"spec-label\"\u003eHardness\u003c\/div\u003e\n\u003c\/div\u003e\n  \u003cdiv class=\"spec-card\"\u003e\n\u003cdiv class=\"spec-value\"\u003e60 L+\u003c\/div\u003e\n\u003cdiv class=\"spec-label\"\u003eMinimum Tank\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ch3\u003eFiltration\u003c\/h3\u003e\n\u003cp\u003eUse gentle, mature filtration rather than extreme turnover. A sponge filter, a well-baffled internal filter, or a compact external canister with spray bar all work well. The fish come from calmer margins, so strong current can stress them and reduce feeding confidence. If you are building a planted dwarf cichlid aquarium, pair this species with reliable filtration and stable heating; many keepers also browse our wider \u003ca href=\"\/collections\/dwarf-cichlid\"\u003edwarf cichlid collection\u003c\/a\u003e when planning a full South American community.\u003c\/p\u003e\n\u003cp\u003eFor equipment, a dependable \u003ca href=\"\/collections\/dwarf-cichlid\"\u003eaquarium heater for dwarf cichlids\u003c\/a\u003e and a gentle \u003ca href=\"\/collections\/dwarf-cichlid\"\u003efilter for planted cichlid tanks\u003c\/a\u003e are worth prioritising. Fine mechanical filtration helps keep sand clean without creating excessive flow.\u003c\/p\u003e\n\u003ch3\u003eSubstrate\u003c\/h3\u003e\n\u003cp\u003eThe best \u003cstrong\u003edwarf cichlid substrate preference\u003c\/strong\u003e for this species is fine sand. Borellii often pick at the bottom, sift lightly, and investigate food among the grains. Sharp gravel can damage delicate mouthparts and does not suit their natural behaviour. A pale natural sand can look attractive, but darker sand often makes the opal blue and yellow tones stand out more strongly.\u003c\/p\u003e\n\u003ch3\u003ePlants \u0026amp; Decor\u003c\/h3\u003e\n\u003cp\u003eThis fish is excellent \u003cstrong\u003eApistogramma Borellii «Opal» for planted tank\u003c\/strong\u003e layouts. Use robust rooted plants and epiphytes to break sightlines: Cryptocoryne, Java fern, Anubias, Amazon swords and floating cover all work well. Add driftwood, coconut caves, small ceramic caves and leaf litter. If you enjoy comparing species, the same style of setup also suits \u003ca href=\"\/products\/dwarf-cichlids-for-sale-uk\"\u003eApistogramma Agassizii\u003c\/a\u003e, \u003ca href=\"\/products\/dwarf-cichlids-for-sale-uk\"\u003eApistogramma Hongsloi “Red Stroke”\u003c\/a\u003e and \u003ca href=\"\/products\/dwarf-cichlids-for-sale-uk\"\u003eApistogramma Cf. Viejita Gold\u003c\/a\u003e.\u003c\/p\u003e\n\u003ch3\u003eLighting Requirements\u003c\/h3\u003e\n\u003cp\u003eModerate lighting is best. Very intense light without floating cover can make them shy. In a display aquascape, use 6-8 hours of consistent light and soften it with floating plants or wood shadows. This creates better contrast and encourages the fish to spend more time in the open.\u003c\/p\u003e\n\u003cdiv class=\"info-box\"\u003e\n  \u003ch4\u003eQuick Setup Checklist\u003c\/h4\u003e\n  \u003cul\u003e\n    \u003cli\u003eChoose at least a 60-litre tank with good floor space\u003c\/li\u003e\n    \u003cli\u003eMaintain 20-26°C and stable water chemistry\u003c\/li\u003e\n    \u003cli\u003eUse fine sand and several caves\u003c\/li\u003e\n    \u003cli\u003eAdd driftwood, plants and shaded areas\u003c\/li\u003e\n    \u003cli\u003eKeep flow gentle, not river-strong\u003c\/li\u003e\n    \u003cli\u003eCycle the aquarium fully before adding fish\u003c\/li\u003e\n  \u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"tip-box\"\u003e\n  \u003ch4\u003e💡 Pro Tip\u003c\/h4\u003e\n  \u003cp\u003eAlways cycle the tank for 4-6 weeks before adding dwarf cichlids. Borellii are hardy compared with many Apistogramma, but they still react badly to immature filters, ammonia spikes and unstable pH.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003ch2 id=\"feeding\"\u003eWhat Do Apistogramma Borellii “Opal” Eat? Complete Feeding Guide\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eApistogramma Borellii «Opal» feeding guide\u003c\/strong\u003e is straightforward once you understand how the species feeds in nature. These fish are omnivores with a strong preference for small meaty foods. In the wild they pick through substrate and leaf litter for insect larvae and microfauna, so the best captive diet combines a quality staple with regular frozen or live foods.\u003c\/p\u003e\n\u003ch3\u003eStaple Foods\u003c\/h3\u003e\n\u003cp\u003eA good micro pellet or fine granule should form the base of the \u003cstrong\u003eApistogramma Borellii «Opal» diet\u003c\/strong\u003e. Choose a sinking or slow-sinking food sized for small cichlids. This species is far more likely to feed confidently from the lower water levels than from the surface. If you are searching for \u003cstrong\u003elive Apistogramma Borellii «Opal» for sale UK\u003c\/strong\u003e and want them to settle quickly, feeding the right size food from day one makes a real difference.\u003c\/p\u003e\n\u003cdiv class=\"food-recommendation\"\u003e\n  \u003ca href=\"\/collections\/dwarf-cichlid\"\u003eMicro pellet food for dwarf cichlids\u003c\/a\u003e - A practical staple for daily feeding, especially useful in community tanks where Borellii need small, easy-to-catch particles.\n\u003c\/div\u003e\n\u003ch3\u003eSupplemental Foods\u003c\/h3\u003e\n\u003cp\u003eFrozen brine shrimp, daphnia, cyclops and bloodworm can all be used in rotation. These foods improve body condition and support colour. For fish newly arrived through \u003cstrong\u003eApistogramma Borellii «Opal» delivery UK\u003c\/strong\u003e, frozen brine shrimp is often one of the easiest first foods to trigger a feeding response.\u003c\/p\u003e\n\u003cdiv class=\"food-recommendation\"\u003e\n  \u003ca href=\"\/collections\/dwarf-cichlid\"\u003eFrozen brine shrimp for Apistogramma\u003c\/a\u003e - Excellent for conditioning adults, tempting shy new arrivals and supporting breeding pairs.\n\u003c\/div\u003e\n\u003ch3\u003eTreats \u0026amp; Special Foods\u003c\/h3\u003e\n\u003cp\u003eLive foods such as baby brine shrimp, grindal worms or mosquito larvae are ideal before breeding attempts. They help bring females into condition and intensify courtship. This is one reason many keepers looking for \u003cstrong\u003eApistogramma Borellii for sale UK\u003c\/strong\u003e choose this species: it responds strongly to conditioning and often rewards good feeding with visible display behaviour.\u003c\/p\u003e\n\u003ch3\u003eFeeding Frequency \u0026amp; Portion Control\u003c\/h3\u003e\n\u003cp\u003eFeed adults once or twice daily in portions they can finish within 1-2 minutes. Juveniles do better with smaller, more frequent meals. Keep portions tight. These fish are small, and overfeeding quickly harms water quality in a bottom-oriented species.\u003c\/p\u003e\n\u003ctable class=\"comparison-table\"\u003e\n  \u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eTime\u003c\/th\u003e\n\u003cth\u003eFood\u003c\/th\u003e\n\u003cth\u003eAmount\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n\u003ctd\u003eMorning\u003c\/td\u003e\n\u003ctd\u003eMicro pellet or fine granule\u003c\/td\u003e\n\u003ctd\u003eSmall pinch, fully eaten in 1 minute\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eEvening\u003c\/td\u003e\n\u003ctd\u003eFrozen brine shrimp or daphnia\u003c\/td\u003e\n\u003ctd\u003eVery small portion, no leftovers\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eFoods to Avoid\u003c\/h3\u003e\n\u003cp\u003eAvoid oversized pellets, fatty foods used too often, and any feeding routine that leaves uneaten food trapped in caves. This matters for \u003cstrong\u003eApistogramma Borellii «Opal» health\u003c\/strong\u003e because poor substrate hygiene can lead to bacterial issues and stress. If you are comparing \u003cstrong\u003eApistogramma for sale UK\u003c\/strong\u003e options, remember that Borellii are peaceful but still cichlids: they do best with a varied, protein-aware menu rather than generic flake alone.\u003c\/p\u003e\n\u003cdiv class=\"warning-box\"\u003e\n  \u003ch4\u003e⚠️ Feeding Warning\u003c\/h4\u003e\n  \u003cp\u003eOverfeeding causes ammonia spikes, dirty substrate and poor water quality. Because Borellii spend much of their time near the bottom, leftover food can rot in hidden areas and trigger avoidable health problems.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003ch2 id=\"appearance\"\u003eApistogramma Borellii “Opal” Appearance: Colors, Patterns \u0026amp; Varieties\u003c\/h2\u003e\n\u003cp\u003eThe Opal form is prized for its iridescent finish. Mature males usually show a pale gold to yellow body overlaid with blue spangling, especially on the cheeks, gill plates and flanks. The dorsal and caudal fins can develop attractive extensions, and the face often glows with a metallic turquoise sheen under angled light. That combination is why many hobbyists rank this fish among the \u003cstrong\u003emost colourful dwarf cichlids\u003c\/strong\u003e that remain suitable for a peaceful setup.\u003c\/p\u003e\n\u003cp\u003eFemales are smaller and less flamboyant, but they are still attractive. Outside breeding condition they are more subdued, often with soft yellow and beige tones. When ready to spawn, females turn a brighter yellow and show stronger contrast markings. This is one of the easiest ways to observe the start of \u003cstrong\u003eApistogramma Borellii «Opal» spawning behaviour\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eAdult size is usually around 6-6.5 cm for males, with females smaller. The body is compact but elegant rather than deep-bodied. Compared with some other \u003cstrong\u003ecolourful dwarf cichlids\u003c\/strong\u003e, Borellii has a softer, more refined look rather than the bolder red-orange patterning seen in cacatuoides types.\u003c\/p\u003e\n\u003cp\u003eAmong \u003cstrong\u003eApistogramma Borellii «Opal» colour variants\u003c\/strong\u003e, the Opal strain is especially sought after for the blue facial iridescence and clean yellow base colour. To enhance appearance, use dark substrate, warm-spectrum but not harsh lighting, and a diet that includes carotenoid-rich frozen foods. Our photos show the reflective opal scaling most clearly when the fish are settled, well fed and housed in a calm planted aquarium.\u003c\/p\u003e\n\n\u003ch2 id=\"compatibility\"\u003eWhat Fish Can Live With Apistogramma Borellii “Opal”? Compatibility Guide\u003c\/h2\u003e\n\u003cp\u003eOne of the biggest reasons people search for \u003cstrong\u003edwarf cichlids UK\u003c\/strong\u003e and choose Borellii is temperament. This species is widely considered one of the most \u003cstrong\u003epeaceful dwarf cichlids for community tank\u003c\/strong\u003e setups, especially outside breeding periods. It is still a cichlid, so some territorial behaviour is normal, but aggression is usually localised and manageable if the tank is laid out properly.\u003c\/p\u003e\n\u003ch3\u003eIdeal Tank Mates\u003c\/h3\u003e\n\u003cp\u003eSmall tetras, pencilfish, Corydoras and Otocinclus are classic companions. Many aquarists specifically ask about \u003cstrong\u003eApistogramma Borellii «Opal» with tetras\u003c\/strong\u003e, and the answer is generally yes. Midwater shoalers help the cichlids feel secure, while the Borellii occupy the lower zone. Suitable pairings include calm species rather than fin nippers or hyperactive fish.\u003c\/p\u003e\n\u003cp\u003eIf you are exploring related cichlids, you may also want to compare this fish with \u003ca href=\"\/products\/dwarf-cichlids-for-sale-uk\"\u003eApistogramma Elizabethae\u003c\/a\u003e, \u003ca href=\"\/products\/dwarf-cichlids-for-sale-uk\"\u003eApistogramma Agassizii\u003c\/a\u003e, \u003ca href=\"\/products\/dwarf-cichlids-for-sale-uk\"\u003eApistogramma Hongsloi “Red Stroke”\u003c\/a\u003e and \u003ca href=\"\/products\/dwarf-cichlids-for-sale-uk\"\u003eApistogramma Cf. Viejita Gold\u003c\/a\u003e. For slightly different South American options, some keepers also browse \u003ca href=\"\/products\/dwarf-cichlids-for-sale-uk\"\u003eMikrogeophagus Ramirezi “Blue Brilliant”\u003c\/a\u003e or \u003ca href=\"\/products\/dwarf-cichlids-for-sale-uk\"\u003eRamirez Dwarf Cichlid Papiliochromis ramirezi\u003c\/a\u003e.\u003c\/p\u003e\n\u003ch3\u003eSpecies to Avoid\u003c\/h3\u003e\n\u003cp\u003eAvoid large cichlids, aggressive bottom dwellers and boisterous species that constantly invade caves. Also avoid fish that demand very different water conditions. This is especially important when people compare \u003cstrong\u003eafrican dwarf cichlids\u003c\/strong\u003e with South American species. Their water chemistry, behaviour and social structure can differ enough to make mixed setups a poor idea.\u003c\/p\u003e\n\u003ch3\u003eCommunity Tank Stocking Examples\u003c\/h3\u003e\n\u003cp\u003eIn a 60-litre species-led setup, a pair or trio can work with a small top or midwater shoal if the filtration and maintenance are strong. In 90 litres, one male with 2 females plus a group of small tetras and 6 Corydoras is a much safer long-term plan. For buyers searching \u003cstrong\u003ebuy dwarf cichlids online UK\u003c\/strong\u003e, this is one of the easiest species to fit into a thoughtful South American community.\u003c\/p\u003e\n\u003ch3\u003eCompatibility with Invertebrates\u003c\/h3\u003e\n\u003cp\u003eSnails are usually fine. Very small shrimp may be treated as food, especially shrimplets. Adult Amano shrimp stand a better chance than dwarf shrimp, but there is always some risk with cichlids. If your goal is a shrimp-first aquarium, choose a different centrepiece fish.\u003c\/p\u003e\n\u003ctable class=\"comparison-table\"\u003e\n  \u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eSpecies\u003c\/th\u003e\n\u003cth\u003eCompatible?\u003c\/th\u003e\n\u003cth\u003eNotes\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n      \u003ctd\u003e\u003ca href=\"\/products\/dwarf-cichlids-for-sale-uk\"\u003eApistogramma Agassizii\u003c\/a\u003e\u003c\/td\u003e\n      \u003ctd\u003e⚠️ Caution\u003c\/td\u003e\n      \u003ctd\u003ePossible only in larger, carefully structured tanks; same niche and territorial overlap.\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003e\u003ca href=\"\/products\/dwarf-cichlids-for-sale-uk\"\u003eMikrogeophagus Ramirezi “Blue Brilliant”\u003c\/a\u003e\u003c\/td\u003e\n      \u003ctd\u003e⚠️ Caution\u003c\/td\u003e\n      \u003ctd\u003eWater temperature preferences differ; choose one focal dwarf cichlid species in modest tanks.\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eSmall tetras\u003c\/td\u003e\n      \u003ctd\u003e✅ Yes\u003c\/td\u003e\n      \u003ctd\u003eExcellent dither fish and one of the best \u003cstrong\u003eApistogramma Borellii «Opal» tank mates\u003c\/strong\u003e.\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eCorydoras\u003c\/td\u003e\n      \u003ctd\u003e✅ Yes\u003c\/td\u003e\n      \u003ctd\u003eUsually compatible, though breeding females may defend caves.\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eLarge cichlids\u003c\/td\u003e\n      \u003ctd\u003e❌ Avoid\u003c\/td\u003e\n      \u003ctd\u003eStress, competition and likely aggression.\u003c\/td\u003e\n    \u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003eFor shoppers comparing \u003cstrong\u003edwarf cichlids for sale in uk\u003c\/strong\u003e, Borellii stands out because it blends attractive colour with gentler behaviour. It is a stronger community choice than many fish on a casual \u003cstrong\u003elist of dwarf cichlids\u003c\/strong\u003e, and it is often recommended when people ask for \u003cstrong\u003ebest dwarf cichlids comparison\u003c\/strong\u003e advice. It is also a sensible alternative if you were considering a \u003cstrong\u003eblack ram cichlid for sale uk\u003c\/strong\u003e listing but want a fish that tolerates slightly cooler water, or a \u003cstrong\u003ecockatoo cichlid for sale uk\u003c\/strong\u003e option but prefer a softer temperament. It is not as unusual as some \u003cstrong\u003erare dwarf cichlids UK\u003c\/strong\u003e imports, but it is far easier to keep well. Even compared with more niche choices such as a \u003cstrong\u003estarry night cichlid for sale uk\u003c\/strong\u003e search result, Borellii is a much more practical home aquarium species.\u003c\/p\u003e\n\u003cdiv class=\"tip-box\"\u003e\n  \u003ch4\u003e💡 Compatibility Tip\u003c\/h4\u003e\n  \u003cp\u003eAlways quarantine new arrivals for 2-4 weeks before adding them to a dwarf cichlid aquarium. Even peaceful species can become stressed and territorial if introduced alongside fish carrying parasites or bacterial infections.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003ch2 id=\"breeding\"\u003eHow to Breed Apistogramma Borellii “Opal”: Complete Breeding Guide\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eApistogramma Borellii «Opal» breeding\u003c\/strong\u003e is one of the reasons this fish is so rewarding. Compared with many Apistogramma, it is relatively approachable for home breeders. If you provide soft, clean water, caves and conditioning foods, spawning is very achievable.\u003c\/p\u003e\n\u003ch3\u003eBreeding Setup\u003c\/h3\u003e\n\u003cp\u003eUse a dedicated tank of 45-60 litres or a calm, established species tank. Fine sand, several cave options, leaf litter and gentle filtration are ideal. Keep temperature around 24-26°C for breeding attempts, with soft to moderately soft water and low nitrate. A trio setup of one male with 2 females often works well if the tank has enough territory breaks.\u003c\/p\u003e\n\u003ch3\u003eSpawning Behaviour\u003c\/h3\u003e\n\u003cp\u003eThe most obvious \u003cstrong\u003eApistogramma Borellii «Opal» spawning behaviour\u003c\/strong\u003e is the female turning a stronger yellow and defending a chosen cave. She will entice the male toward the site, then guard the interior after eggs are laid. The male usually patrols the wider territory while the female handles close brood care.\u003c\/p\u003e\n\u003ch3\u003eEgg Care \u0026amp; Hatching\u003c\/h3\u003e\n\u003cp\u003eEggs are typically laid on the roof or wall of a cave. The female fans them and removes infertile eggs. Hatching time depends on temperature but often falls within 2-4 days, with fry becoming free swimming a few days later. Keep disturbance low and avoid moving decor once spawning has started.\u003c\/p\u003e\n\u003ch3\u003eFry Care \u0026amp; Growth\u003c\/h3\u003e\n\u003cp\u003eOnce free swimming, feed infusoria, vinegar eels or freshly hatched baby brine shrimp. Frequent tiny feeds and excellent water quality are the keys to success. Bare-bottom fry tanks are easier to keep clean, but many breeders also raise fry in naturalistic setups if maintenance is meticulous.\u003c\/p\u003e\n\u003ch3\u003eCommon Breeding Challenges\u003c\/h3\u003e\n\u003cp\u003eFirst-time parents may eat eggs, especially if disturbed. Hard water can reduce hatch rates, and community tanks may lead to fry losses. If you are serious about raising numbers, separate breeding tanks are best. Still, even in display aquariums, observing courtship and brood care is one of the most enjoyable parts of keeping this species.\u003c\/p\u003e\n\u003cdiv class=\"tip-box\"\u003e\n  \u003ch4\u003eAdvanced Breeding Tip\u003c\/h4\u003e\n  \u003cp\u003eFor better fry survival, condition adults heavily on frozen and live foods for 10-14 days, then perform a slightly cooler, soft-water change. This often triggers spawning while also improving egg quality and parental attentiveness.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003ch2 id=\"comparison\"\u003eApistogramma Borellii “Opal” vs Similar Species: Which Should You Choose?\u003c\/h2\u003e\n\u003cp\u003eComparison matters because many buyers searching \u003cstrong\u003edwarf cichlid for sale\u003c\/strong\u003e or \u003cstrong\u003eSouth American cichlids UK\u003c\/strong\u003e are choosing between species that look similar online but behave very differently in real aquariums. Borellii is often selected because it combines manageable care with strong colour and community suitability.\u003c\/p\u003e\n\u003ctable class=\"comparison-table\"\u003e\n  \u003cthead\u003e\n    \u003ctr\u003e\n\u003cth\u003eFeature\u003c\/th\u003e\n\u003cth\u003eApistogramma Borellii “Opal”\u003c\/th\u003e\n\u003cth\u003eGerman Blue Ram\u003c\/th\u003e\n\u003c\/tr\u003e\n  \u003c\/thead\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n\u003ctd\u003eMax Size\u003c\/td\u003e\n\u003ctd\u003e6.5 cm\u003c\/td\u003e\n\u003ctd\u003e6-7 cm\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eCare Level\u003c\/td\u003e\n\u003ctd\u003eEasy to moderate\u003c\/td\u003e\n\u003ctd\u003eModerate to advanced\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eTemperature\u003c\/td\u003e\n\u003ctd\u003e20-26°C\u003c\/td\u003e\n\u003ctd\u003e27-30°C typically preferred\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003ePrice\u003c\/td\u003e\n\u003ctd\u003e£10.65\u003c\/td\u003e\n\u003ctd\u003eVaries by strain\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eBest For\u003c\/td\u003e\n\u003ctd\u003eCooler planted communities, beginner Apistogramma keepers\u003c\/td\u003e\n\u003ctd\u003eWarm, stable specialist community tanks\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003eIn the common debate of \u003cstrong\u003eApistogramma Borellii «Opal» vs German blue ram\u003c\/strong\u003e, Borellii is usually the easier fish for mixed community aquariums in the UK. Rams are beautiful, but they often need warmer, more stable conditions and can be less forgiving of mistakes.\u003c\/p\u003e\n\u003ctable class=\"comparison-table\"\u003e\n  \u003cthead\u003e\n    \u003ctr\u003e\n\u003cth\u003eFeature\u003c\/th\u003e\n\u003cth\u003eApistogramma Borellii “Opal”\u003c\/th\u003e\n\u003cth\u003eApistogramma cacatuoides\u003c\/th\u003e\n\u003c\/tr\u003e\n  \u003c\/thead\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n\u003ctd\u003eTemperament\u003c\/td\u003e\n\u003ctd\u003eGenerally gentler\u003c\/td\u003e\n\u003ctd\u003eBolder, sometimes more assertive\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eColour Style\u003c\/td\u003e\n\u003ctd\u003eBlue-yellow opalescence\u003c\/td\u003e\n\u003ctd\u003eRed-orange fin emphasis\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eBeginner Suitability\u003c\/td\u003e\n\u003ctd\u003eVery good\u003c\/td\u003e\n\u003ctd\u003eGood\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eTank Style\u003c\/td\u003e\n\u003ctd\u003eQuiet planted scapes\u003c\/td\u003e\n\u003ctd\u003ePlanted or structured hardscape\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eBest For\u003c\/td\u003e\n\u003ctd\u003ePeaceful communities\u003c\/td\u003e\n\u003ctd\u003eKeepers wanting a bolder display fish\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003eIn the question of \u003cstrong\u003eApistogramma Borellii «Opal» vs Apistogramma cacatuoides\u003c\/strong\u003e, Borellii tends to win for aquarists who want a calmer fish, while cacatuoides suits those who prefer stronger fin extension and a more assertive presence. Compared with \u003cstrong\u003eApistogramma Borellii «Opal» vs kribensis\u003c\/strong\u003e, Borellii is the better fit for a soft-water South American biotope, while kribensis are tougher but often more territorial in smaller community tanks.\u003c\/p\u003e\n\u003cp\u003eIf you are browsing \u003cstrong\u003eApistogramma Borellii «Opal» for sale UK\u003c\/strong\u003e and want one of the \u003cstrong\u003ebest dwarf cichlids for beginners\u003c\/strong\u003e, this is one of the safest recommendations. It also ranks highly in any honest \u003cstrong\u003ebest dwarf cichlids comparison\u003c\/strong\u003e because it is attractive without being overly demanding.\u003c\/p\u003e\n\n\u003ch2 id=\"health\"\u003eCommon Health Problems in Apistogramma Borellii “Opal” \u0026amp; How to Prevent Them\u003c\/h2\u003e\n\u003cp\u003eGood \u003cstrong\u003eApistogramma Borellii «Opal» health\u003c\/strong\u003e starts with clean water, low stress and sensible feeding. This species is hardy for an Apistogramma, but it is still vulnerable to the usual aquarium problems when kept in poor conditions.\u003c\/p\u003e\n\u003ch3\u003eSigns of a Healthy Fish\u003c\/h3\u003e\n\u003cp\u003eA healthy Borellii is alert, feeding readily, holding fins well, and showing clear eyes with no clamped posture. Males should display good colour and occasional flaring, while females should move confidently between cover and feeding spots. Mild shyness in a new fish is normal, but persistent hiding is not.\u003c\/p\u003e\n\u003ch3\u003eCommon Diseases \u0026amp; Symptoms\u003c\/h3\u003e\n\u003cp\u003eWatch for white spot, fin damage from bullying, bacterial infections linked to dirty substrate, and wasting caused by internal parasites. Newly imported fish may arrive stressed, which is why careful acclimation matters. Bottom-dwelling species also show the effects of poor hygiene faster than many midwater fish.\u003c\/p\u003e\n\u003ch3\u003eTreatment Options\u003c\/h3\u003e\n\u003cp\u003eStart with diagnosis, isolation and water testing before medicating. Many issues improve rapidly with cleaner water, higher oxygen and reduced stress. Use a separate treatment tank where possible, especially in planted or mixed aquariums. Avoid random medication stacking.\u003c\/p\u003e\n\u003ch3\u003ePrevention Tips\u003c\/h3\u003e\n\u003cp\u003eCarry out weekly water changes, vacuum open sand areas lightly, rotate foods, and keep stocking sensible. Stable conditions are more protective than chasing extreme “perfect” values. This applies whether you \u003cstrong\u003ebuy Apistogramma Borellii «Opal» UK\u003c\/strong\u003e for a species tank or as part of a wider \u003cstrong\u003efreshwater cichlids UK\u003c\/strong\u003e display.\u003c\/p\u003e\n\u003ch3\u003eQuarantine Procedures\u003c\/h3\u003e\n\u003cp\u003eQuarantine all new fish for 2-4 weeks in a mature, bare-bottom or lightly furnished tank. Observe feeding, respiration, faeces and skin condition. This is especially important if you use \u003cstrong\u003elive dwarf cichlid delivery UK\u003c\/strong\u003e services and want to protect an established aquarium.\u003c\/p\u003e\n\u003cdiv class=\"warning-box\"\u003e\n  \u003ch4\u003e⚠️ Medication Warning\u003c\/h4\u003e\n  \u003cp\u003eNEVER use copper-based medications in tanks containing shrimp or other sensitive invertebrates. Copper can be lethal even at low levels, and it may remain in substrate or decor after treatment.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"info-box\"\u003e\n  \u003ch4\u003eQuarantine Protocol\u003c\/h4\u003e\n  \u003cul\u003e\n    \u003cli\u003eUse a separate tank for 2-4 weeks\u003c\/li\u003e\n    \u003cli\u003eMatch temperature and pH closely to the main aquarium\u003c\/li\u003e\n    \u003cli\u003eMonitor appetite, breathing and waste daily\u003c\/li\u003e\n    \u003cli\u003ePerform regular small water changes\u003c\/li\u003e\n    \u003cli\u003eOnly move fish once they are feeding strongly and symptom-free\u003c\/li\u003e\n  \u003c\/ul\u003e\n\u003c\/div\u003e\n\n\u003ch2 id=\"behavior\"\u003eUnderstanding Apistogramma Borellii “Opal” Behavior in the Aquarium\u003c\/h2\u003e\n\u003cp\u003eThe typical \u003cstrong\u003eApistogramma Borellii «Opal» behaviour\u003c\/strong\u003e is calm, observant and territory-aware rather than constantly aggressive. They spend much of their time near the bottom, weaving between caves, wood and plant cover. Males display to females and occasionally posture at rivals, but in a well-structured tank this is more theatre than damage.\u003c\/p\u003e\n\u003cp\u003eThis species is not a schooling fish. It does best as a pair or harem-style group with one male and multiple females where space allows. During breeding, females become the more defensive fish, especially around caves and fry. Outside these periods, Borellii are often surprisingly gentle for cichlids.\u003c\/p\u003e\n\u003cp\u003eTo encourage natural behaviour, provide visual barriers, shaded zones and a calm upper-water shoal. Many keepers asking about \u003cstrong\u003eapistogramma borellii «opal» tank mates\u003c\/strong\u003e notice that the fish become bolder when small tetras are present. That dither effect helps them feel secure enough to feed and display in the open.\u003c\/p\u003e\n\u003cp\u003eIf you want a fish with personality but not constant conflict, Borellii is one of the best choices among \u003cstrong\u003eSouth American cichlids UK\u003c\/strong\u003e hobbyists keep in planted aquariums.\u003c\/p\u003e\n\n\u003ch2 id=\"why-buy\"\u003eWhy Buy from Tropical Fish Co?\u003c\/h2\u003e\n\u003cp\u003eWhen customers search \u003cstrong\u003eorder Apistogramma Borellii «Opal» online UK\u003c\/strong\u003e, they are usually asking three real questions: Will the fish arrive healthy, are the colours true to the photos, and will they settle into normal UK aquarium conditions? For this species, those details matter. Borellii may be hardy, but stressed dwarf cichlids lose colour fast and can take time to regain confidence if they are packed or handled poorly.\u003c\/p\u003e\n\u003cp\u003eOur Opal Umbrella Cichlids are selected for clear body shape, active feeding response and the opalescent blue-yellow finish that makes this strain so desirable. Before dispatch, fish are observed for condition and behaviour, and they are prepared for transport with careful fasting to reduce waste in the bag. That is especially important for bottom-oriented cichlids, which are sensitive to shipping-related water fouling.\u003c\/p\u003e\n\u003cp\u003eFor \u003cstrong\u003eApistogramma Borellii «Opal» delivery UK\u003c\/strong\u003e, fish are packed in insulated boxes with professional bagging methods, and heat packs are used in winter conditions when needed. Tracked transport reduces delays, and acclimation guidance helps buyers settle fish safely on arrival. If you are comparing \u003cstrong\u003ebuy dwarf cichlids online UK\u003c\/strong\u003e options, this species benefits enormously from calm handling and stable transit temperatures.\u003c\/p\u003e\n\u003cp\u003eWe also know that shoppers looking at \u003cstrong\u003eApistogramma Borellii «Opal» price UK\u003c\/strong\u003e want value, not just a low number. A healthy, feeding fish with good finnage and proper preparation is worth far more than a stressed bargain that struggles to settle. Whether you are searching \u003cstrong\u003ebuy Apistogramma Borellii «Opal» UK\u003c\/strong\u003e, \u003cstrong\u003eApistogramma Borellii «Opal» for sale UK\u003c\/strong\u003e, or simply the most reliable \u003cstrong\u003edwarf cichlids for sale UK\u003c\/strong\u003e listing for a peaceful planted aquarium, this species is one of the smartest choices available.\u003c\/p\u003e\n\u003cdiv class=\"care-highlight\"\u003e\n  \u003ch4\u003eWhy Choose Tropical Fish Co for Apistogramma Borellii “Opal”\u003c\/h4\u003e\n  \u003cul\u003e\n    \u003cli\u003eSelected for active feeding response and strong opal blue-yellow colour potential\u003c\/li\u003e\n    \u003cli\u003ePacked with insulated protection and season-appropriate heat support for UK transit\u003c\/li\u003e\n    \u003cli\u003eIdeal for keepers wanting one of the most reliable \u003cstrong\u003eApistogramma for sale UK\u003c\/strong\u003e options for a planted community aquarium\u003c\/li\u003e\n  \u003c\/ul\u003e\n\u003c\/div\u003e\n\n\u003ch2 id=\"related-products\"\u003eYou Might Also Like\u003c\/h2\u003e\n\u003cp\u003eIf you are building a peaceful South American display, consider pairing your Borellii project with other carefully chosen species and related cichlid options. For a more delicate, specialist Apistogramma, see \u003ca href=\"\/products\/dwarf-cichlids-for-sale-uk\"\u003eApistogramma Elizabethae\u003c\/a\u003e. If you want a bolder colour contrast, compare with \u003ca href=\"\/products\/dwarf-cichlids-for-sale-uk\"\u003eApistogramma Hongsloi “Red Stroke”\u003c\/a\u003e or \u003ca href=\"\/products\/dwarf-cichlids-for-sale-uk\"\u003eApistogramma Agassizii\u003c\/a\u003e. For a different dwarf cichlid style, \u003ca href=\"\/products\/dwarf-cichlids-for-sale-uk\"\u003eAndinoacara Pulcher “Neon Blue” - Nannacara\u003c\/a\u003e and \u003ca href=\"\/products\/dwarf-cichlids-for-sale-uk\"\u003eGuianacara Dacrya - Bandit Cichlid\u003c\/a\u003e are worth a look. To complete the setup, add a \u003ca href=\"\/collections\/dwarf-cichlid\"\u003egentle planted-tank filter\u003c\/a\u003e and a \u003ca href=\"\/collections\/dwarf-cichlid\"\u003equality micro pellet food for dwarf cichlids\u003c\/a\u003e to help new fish settle quickly.\u003c\/p\u003e","brand":"Tropical Fish Co","offers":[{"title":"Default Title","offer_id":57379757588815,"sku":"0290","price":12.99,"currency_code":"GBP","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1007\/1408\/6735\/files\/apistogramma-borellii-opal-hero-driftwood-0290.webp?v=1776718983","url":"https:\/\/tropical-fish-co.myshopify.com\/products\/dwarf-cichlids-apistogramma-south-american-uk-opal","provider":"Tropical Fish Co","version":"1.0","type":"link"}