{"product_id":"freshwater-tropical-fish-uk-yellow-tailed-tetra","title":"Yellow-Tailed African Tetra (Hemigrammopetersius caudalis) – Stunning Peaceful Schooling Fish – Buy Live Tropical Fish UK (Alestopetersius caudalis) - UK","description":"\u003cp\u003eThe \u003cstrong\u003eYellow-Tailed African Tetra\u003c\/strong\u003e, also sold as the \u003cstrong\u003eAfrican Yellow Tail Tetra\u003c\/strong\u003e, \u003cstrong\u003eYellow Tail Congo Tetra\u003c\/strong\u003e, or \u003cstrong\u003eShimmering African Tetra\u003c\/strong\u003e, is one of the most underrated choices in the \u003cstrong\u003efreshwater fish UK\u003c\/strong\u003e hobby. Scientifically known as \u003cem\u003eAlestopetersius caudalis\u003c\/em\u003e, this elegant Central African schooling fish combines metallic body sheen with a bright yellow tail that flashes beautifully in motion. For aquarists searching for \u003cstrong\u003etropical fish UK\u003c\/strong\u003e options that are peaceful, active, and a little different from common South American tetras, this species stands out immediately. Adults usually reach around 5-6 cm, live for roughly 3-5 years, and do best in a calm, well-structured group aquarium with soft to moderately hard water. Their lively but non-aggressive nature makes them a strong candidate for a carefully planned \u003cstrong\u003ecommunity fish UK\u003c\/strong\u003e setup.\u003c\/p\u003e\u003cp\u003eIf you are comparing \u003cstrong\u003etropical fish uk freshwater\u003c\/strong\u003e species for a planted display, this fish offers movement without the rough behaviour seen in some barbs. It is also a great talking point for hobbyists who want an \u003cstrong\u003eAfrican tetra UK\u003c\/strong\u003e species rather than the usual neon or rummynose. See our detailed photos showing the reflective body tone, forked yellow caudal fin, and streamlined profile that make this fish such a striking midwater swimmer. For keepers looking at \u003cstrong\u003efreshwater fish uk for tank\u003c\/strong\u003e stocking ideas, the Yellow-Tailed African Tetra brings colour, schooling behaviour, and a more unusual origin story from the lower Congo River.\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\u003eAlestopetersius caudalis\u003c\/em\u003e\n\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eCare Level:\u003c\/strong\u003e Intermediate\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eMin Tank Size:\u003c\/strong\u003e 108 litres (about 24 gallons)\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eRecommended Tank Size:\u003c\/strong\u003e 150 litres+\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eTemperature:\u003c\/strong\u003e 22-26°C (72-79°F)\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003epH Range:\u003c\/strong\u003e 5.0-7.5\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, active, schooling\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 Characiformes\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eFamily:\u003c\/strong\u003e Alestidae\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eGenus:\u003c\/strong\u003e \u003cem\u003eAlestopetersius\u003c\/em\u003e\n\u003c\/li\u003e\n  \u003c\/ul\u003e\n  \u003cp\u003e\u003cem\u003eAlestopetersius caudalis\u003c\/em\u003e belongs to the African characin family Alestidae, a group that includes several beautiful open-water schooling fish from the Congo basin. In the aquarium hobby, this species is valued as a more refined alternative to larger Congo tetras. It has become increasingly popular among keepers interested in unusual \u003cstrong\u003efreshwater fish for sale uk\u003c\/strong\u003e listings and those seeking the \u003cstrong\u003ebest african tetra species UK\u003c\/strong\u003e for a peaceful display aquarium.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003ch2 id=\"origin\"\u003eWhere Do Yellow-Tailed African Tetras Come From? Natural Habitat Explained\u003c\/h2\u003e\n\u003cp\u003eThe natural range of \u003cem\u003eAlestopetersius caudalis\u003c\/em\u003e lies in \u003cstrong\u003eCentral Africa\u003c\/strong\u003e, especially the lower Congo River system in the Democratic Republic of Congo. Understanding the \u003cstrong\u003ehemigrammopetersius caudalis habitat\u003c\/strong\u003e helps explain why these fish prefer subdued lighting, open swimming lanes, and clean, oxygen-rich water. In the wild they occupy streams, tributaries, and calmer river margins where leaf litter, roots, and overhanging vegetation break up the light. These environments are not stagnant; they usually have gentle movement and plenty of dissolved oxygen.\u003c\/p\u003e\u003cp\u003eWild fish feed on tiny aquatic invertebrates, insect larvae, drifting organic matter, and plant fragments. That natural omnivorous feeding pattern is why a varied aquarium diet works so well. Their habitat also explains their schooling instinct: in open water, safety comes from numbers. A lone fish is nervous, but a group of 8-10 or more shows far better colour and confidence. This species is not one of the \u003cstrong\u003efreshwater fish of the uk\u003c\/strong\u003e or part of any \u003cstrong\u003elist of uk freshwater fish\u003c\/strong\u003e; it is a true tropical import species kept in heated aquariums, which matters for anyone comparing \u003cstrong\u003efreshwater fish species uk\u003c\/strong\u003e with tropical aquarium stock.\u003c\/p\u003e\u003cp\u003eSome shoppers arrive here after searching broad topics like \u003cstrong\u003epictures of freshwater fish in uk\u003c\/strong\u003e, \u003cstrong\u003euk freshwater fish list\u003c\/strong\u003e, or \u003cstrong\u003efreshwater fish uk identification\u003c\/strong\u003e. It is worth clarifying that this fish is an aquarium species, not a native British river fish such as barbel, gudgeon, roach, or bream. It should never be released into local waters. Questions around \u003cstrong\u003einvasive fish species uk\u003c\/strong\u003e, \u003cstrong\u003eprotected freshwater fish species uk\u003c\/strong\u003e, and \u003cstrong\u003efreshwater fish representative species\u003c\/strong\u003e usually relate to wild fauna and legal responsibilities, whereas the Yellow-Tailed African Tetra is strictly for indoor tropical fishkeeping.\u003c\/p\u003e\u003cp\u003eBecause the lower Congo basin contains tannin-stained areas and shaded margins, these fish often look best in aquariums with dark substrate, wood, and planting around the edges. That setting reduces stress and highlights the yellow tail far better than a bright, bare tank. For hobbyists exploring \u003cstrong\u003efreshwater fish uk species\u003c\/strong\u003e for display tanks, this origin story is a big part of the appeal: you get a genuine Congo basin schooling fish with elegant movement and a more unusual profile than many standard tetra lines.\u003c\/p\u003e\n\u003cdiv class=\"tip-box\"\u003e\n  \u003ch4\u003e💡 Expert Tip\u003c\/h4\u003e\n  \u003cp\u003eMimicking the Congo-style habitat with darker décor, floating cover, and open midwater space improves confidence, reduces skittish behaviour, and brings out stronger body sheen and tail colour.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003ch2 id=\"tank-setup\"\u003eHow to Set Up the Perfect Tank for Yellow-Tailed African Tetras\u003c\/h2\u003e\n\u003cp\u003eA successful \u003cstrong\u003eyellow tailed african tetra tank setup\u003c\/strong\u003e starts with space for schooling behaviour. Although the official minimum is 108 litres, a \u003cstrong\u003ehemigrammopetersius caudalis tank size\u003c\/strong\u003e of 150 litres or more is strongly recommended if you want a proper group and stable water quality. These fish are active midwater swimmers, so tank length matters more than height. A long aquarium gives them room to move as a coordinated shoal, which is when they look their best.\u003c\/p\u003e\n\u003ch3\u003eTank Size Requirements\u003c\/h3\u003e\n\u003cp\u003eFor a starter group of 8, 108 litres can work if the tank is well filtered and sensibly stocked. For 10-12 fish with companions, 150 litres is the better choice. The extra volume buffers water chemistry, reduces stress, and gives room for compatible species. If you are building a display around unusual \u003cstrong\u003eschooling fish UK\u003c\/strong\u003e species, this is not a fish to squeeze into a nano aquarium.\u003c\/p\u003e\n\u003ch3\u003eWater Parameters\u003c\/h3\u003e\n\u003cp\u003eThe ideal \u003cstrong\u003eyellow tailed african tetra water parameters\u003c\/strong\u003e are a temperature of 24°C, pH around 6.5, and soft to moderately hard water. The accepted \u003cstrong\u003eyellow tailed african tetra temperature\u003c\/strong\u003e is 22-26°C, and the practical \u003cstrong\u003eyellow tailed african tetra temperature range\u003c\/strong\u003e should stay stable rather than swing daily. The \u003cstrong\u003ehemigrammopetersius caudalis pH range\u003c\/strong\u003e is 5.0-7.5, while \u003cstrong\u003ehemigrammopetersius caudalis water hardness\u003c\/strong\u003e sits between 2-15 dGH. Stability matters more than chasing the lowest number. In UK homes, many fish adapt well if acclimated slowly and kept in consistently clean water.\u003c\/p\u003e\n\u003cdiv class=\"spec-grid\"\u003e\n  \u003cdiv class=\"spec-card\"\u003e\n\u003cdiv class=\"spec-value\"\u003e22-26°C\u003c\/div\u003e\n\u003cdiv class=\"spec-label\"\u003eTemperature\u003c\/div\u003e\n\u003c\/div\u003e\n  \u003cdiv class=\"spec-card\"\u003e\n\u003cdiv class=\"spec-value\"\u003e5.0-7.5\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\"\u003e108-150L+\u003c\/div\u003e\n\u003cdiv class=\"spec-label\"\u003eTank Size\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ch3\u003eFiltration and Flow\u003c\/h3\u003e\n\u003cp\u003eUse efficient biological filtration with moderate circulation. A quality external filter or oversized internal filter is ideal because these fish appreciate clean, oxygenated water but do not enjoy being blasted by harsh current. Aim for steady turnover and good surface movement. If you are planning a community around species such as \u003ca href=\"\/products\/freshwater-fish-uk\"\u003eLake Kurumoi Rainbowfish\u003c\/a\u003e or \u003ca href=\"\/products\/freshwater-fish-uk\"\u003eSixbanded Barb\u003c\/a\u003e, filtration should be sized for the full adult stocking level, not just the initial purchase.\u003c\/p\u003e\n\u003ch3\u003eSubstrate, Plants and Décor\u003c\/h3\u003e\n\u003cp\u003eFine dark sand or smooth natural gravel works well. A darker base helps nervous fish settle and improves contrast against the yellow tail. This species is excellent as \u003cstrong\u003ehemigrammopetersius caudalis for planted aquarium\u003c\/strong\u003e stock because it does not uproot plants and spends most of its time cruising through open water. Use hardy species around the sides and back, leaving the centre open. Java fern, Anubias, Cryptocoryne, Vallisneria, and floating cover all work well. Branch wood and leaf litter can also create a more natural Congo feel.\u003c\/p\u003e\u003cp\u003eFor a gentle planted community, you can combine them with fish that use different levels of the tank, such as \u003ca href=\"\/products\/freshwater-fish-uk\"\u003eProtomyzon pachychilus\u003c\/a\u003e for lower zones or a calm shoal of \u003ca href=\"\/products\/freshwater-fish-uk\"\u003eStrawberry Rasbora\u003c\/a\u003e in a larger peaceful setup. Keep décor structured but not cluttered. These tetras need security at the edges and swimming room in the middle.\u003c\/p\u003e\n\u003ch3\u003eLighting\u003c\/h3\u003e\n\u003cp\u003eModerate lighting is ideal. Very bright light without plant cover can make them skittish, while dimmer lighting with floating plants often improves colour and confidence. A 7-9 hour photoperiod suits most planted aquariums. If your goal is a display tank for \u003cstrong\u003efreshwater fish uk for sale\u003c\/strong\u003e style showroom impact, this species looks best under neutral white lighting with dark décor and green planting.\u003c\/p\u003e\n\u003cdiv class=\"info-box\"\u003e\n  \u003ch4\u003eQuick Setup Checklist\u003c\/h4\u003e\n  \u003cul\u003e\n    \u003cli\u003eChoose a tank of at least 108 litres, ideally 150 litres for a full group\u003c\/li\u003e\n    \u003cli\u003eKeep 8-10+ fish to reduce stress and improve schooling\u003c\/li\u003e\n    \u003cli\u003eSet temperature to 22-26°C, ideally 24°C\u003c\/li\u003e\n    \u003cli\u003eMaintain pH 5.0-7.5 and hardness 2-15 dGH\u003c\/li\u003e\n    \u003cli\u003eUse dark substrate, wood, and edge planting\u003c\/li\u003e\n    \u003cli\u003eLeave open midwater swimming space\u003c\/li\u003e\n    \u003cli\u003eProvide steady filtration and good oxygenation\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 aquarium for 4-6 weeks before adding fish. Yellow-Tailed African Tetras handle established, stable systems far better than immature tanks with fluctuating ammonia or nitrite.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003ch2 id=\"feeding\"\u003eWhat Do Yellow-Tailed African Tetras Eat? Complete Feeding Guide\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eafrican yellow tail tetra diet\u003c\/strong\u003e is best described as omnivorous with a strong preference for small live, frozen, and quality prepared foods. In nature they pick at tiny insects, crustaceans, and drifting organic matter. In captivity, they thrive on variety. A good staple micro pellet or fine flake should form the base, while frozen foods such as daphnia, cyclops, mosquito larvae, and brine shrimp help maintain condition and colour.\u003c\/p\u003e\n\u003ch3\u003eStaple Foods\u003c\/h3\u003e\n\u003cp\u003eFeed a quality tropical micro pellet once or twice daily. Choose a size they can take easily in the midwater zone. Because these are active shoalers, food should disperse well rather than sink instantly. This is one reason they are popular among keepers looking to \u003cstrong\u003ebuy african yellow tail tetra UK\u003c\/strong\u003e stock for lively display tanks.\u003c\/p\u003e\n\u003ch3\u003eSupplemental Foods\u003c\/h3\u003e\n\u003cp\u003eOffer frozen daphnia, brine shrimp, and bloodworm in moderation 2-4 times per week. These foods improve body condition and encourage stronger schooling activity. If you are building a \u003cstrong\u003eyellow tailed african tetra for community tank\u003c\/strong\u003e setup, varied feeding also reduces competition and keeps the group occupied.\u003c\/p\u003e\n\u003ch3\u003eTreats and Conditioning Foods\u003c\/h3\u003e\n\u003cp\u003eLive foods can be especially useful for conditioning breeding adults. Newly hatched brine shrimp, grindal worms, and daphnia are excellent. These also help if you are working with a \u003cstrong\u003estunning yellow tail tetra group UK\u003c\/strong\u003e display and want peak colour. Avoid oversized foods, fatty mammal meats, or random items from a \u003cstrong\u003efreshwater fish to eat list\u003c\/strong\u003e intended for human consumption. Searches like \u003cstrong\u003efreshwater fish uk to eat\u003c\/strong\u003e, \u003cstrong\u003ebritish fish to eat\u003c\/strong\u003e, and \u003cstrong\u003eedible freshwater fish uk\u003c\/strong\u003e relate to food fish, not ornamental tetras.\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\u003eFine tropical pellet or flake\u003c\/td\u003e\n\u003ctd\u003eOnly what the group eats in 30-60 seconds\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eEvening\u003c\/td\u003e\n\u003ctd\u003eFrozen daphnia, brine shrimp, or cyclops\u003c\/td\u003e\n\u003ctd\u003eSmall portion, fully consumed within 2 minutes\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003eFeed small amounts 1-2 times daily. Their stomachs are small, and overfeeding quickly harms water quality. This matters even more in a mixed community with bottom feeders that pick up leftovers. If you are comparing \u003cstrong\u003ecaudalis tetra for sale UK\u003c\/strong\u003e listings, choose fish that are already taking prepared foods confidently.\u003c\/p\u003e\n\u003cdiv class=\"food-recommendation\"\u003e\n  \u003ca href=\"\/products\/freshwater-fish-uk\"\u003eStrawberry Rasbora\u003c\/a\u003e\n  \u003cp\u003eUseful as a reference for similarly small-mouthed community fish that do well on fine prepared foods and frozen micro-prey.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"food-recommendation\"\u003e\n  \u003ca href=\"\/products\/freshwater-fish-uk\"\u003eLake Kurumoi Rainbowfish\u003c\/a\u003e\n  \u003cp\u003eA good comparison species if you enjoy active midwater feeders that benefit from varied daily rations and strong water quality.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"warning-box\"\u003e\n  \u003ch4\u003e⚠️ Feeding Warning\u003c\/h4\u003e\n  \u003cp\u003eOverfeeding causes ammonia spikes, cloudy water, and stressed fish. If food is still visible after two minutes, reduce the portion next time.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003ch2 id=\"appearance\"\u003eYellow-Tailed African Tetra Appearance: Colors, Patterns \u0026amp; Varieties\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eCaudalis Tetra\u003c\/strong\u003e has a slim, laterally compressed body built for open-water swimming. Adult \u003cstrong\u003ehemigrammopetersius caudalis size\u003c\/strong\u003e is usually 5-6 cm, making it a manageable mid-sized tetra for community aquariums. The body often shows a silver to bronze sheen with subtle darker overlay depending on lighting, mood, and background. The standout feature is the tail: a bright yellow caudal fin that flashes strongly when the fish school together.\u003c\/p\u003e\u003cp\u003eIn good conditions, males are usually a little slimmer, more colourful, and slightly more extended in finnage, while females appear rounder when full of eggs. This species is not a fancy morph fish in the way some livebearers are, but quality stock can vary in intensity. Dark substrate, subdued light, and a protein-rich varied diet all help bring out the best colour. If you have seen searches for \u003cstrong\u003etetra UK\u003c\/strong\u003e species and want something less common than standard shop tetras, this fish offers a more refined look.\u003c\/p\u003e\u003cp\u003eSome hobbyists compare it with other uncommon listings such as \u003cstrong\u003eloreto tetra for sale\u003c\/strong\u003e or even unrelated oddities like \u003cstrong\u003eorange tench\u003c\/strong\u003e in pond circles, but the Yellow-Tailed African Tetra is distinct for its clean profile and bright tail contrast. Our photos show the reflective body tones and tail colour that develop best in settled groups. Good \u003cstrong\u003ehemigrammopetersius caudalis behaviour\u003c\/strong\u003e also affects appearance: relaxed fish display stronger colour than nervous singles. For buyers searching \u003cstrong\u003ehemigrammopetersius caudalis for sale UK\u003c\/strong\u003e or \u003cstrong\u003ehemigrammopetersius caudalis for sale online UK\u003c\/strong\u003e, look for clear eyes, full fins, and active schooling response.\u003c\/p\u003e\n\n\u003ch2 id=\"compatibility\"\u003eWhat Fish Can Live With Yellow-Tailed African Tetras? Compatibility Guide\u003c\/h2\u003e\n\u003cp\u003eThis species is peaceful, active, and social, which makes \u003cstrong\u003ehemigrammopetersius caudalis tank mates\u003c\/strong\u003e fairly straightforward as long as you avoid extremes. They do best with other calm but confident fish that enjoy similar water conditions. Because they are lively and somewhat skittish, they appreciate companions that neither bully them nor hang motionless with oversized fins that invite nipping. This is why they are often recommended as \u003cstrong\u003epeaceful african schooling fish UK\u003c\/strong\u003e for medium community aquariums.\u003c\/p\u003e\n\u003ch3\u003eIdeal Tank Mates\u003c\/h3\u003e\n\u003cp\u003eGood companions include other peaceful characins, cyprinids, rainbowfish, bottom-dwelling catfish, and some gentle cichlids. From our range, suitable examples include \u003ca href=\"\/products\/freshwater-fish-uk\"\u003eLake Kurumoi Rainbowfish\u003c\/a\u003e for active upper-midwater movement, \u003ca href=\"\/products\/freshwater-fish-uk\"\u003eRhombo Barb\u003c\/a\u003e in larger energetic communities, and \u003ca href=\"\/products\/freshwater-fish-uk\"\u003eSixbanded Barb\u003c\/a\u003e where tank size and temperament are carefully matched. In larger setups, a shoal alongside \u003ca href=\"\/products\/freshwater-fish-uk\"\u003eChalceus erythrurus\u003c\/a\u003e can work only if the aquarium is spacious and the overall stocking plan is balanced, though that pairing is better suited to experienced keepers.\u003c\/p\u003e\u003cp\u003eFor lower levels, peaceful suckermouth or hillstream-style species can work, including \u003ca href=\"\/products\/freshwater-fish-uk\"\u003eProtomyzon pachychilus\u003c\/a\u003e where current and oxygenation are appropriate. In a softer, calmer planted display, small schooling companions such as \u003ca href=\"\/products\/freshwater-fish-uk\"\u003eStrawberry Rasbora\u003c\/a\u003e may also be considered if the tank is big enough and feeding is managed so the tetras do not outcompete them.\u003c\/p\u003e\n\u003ch3\u003eSpecies to Avoid\u003c\/h3\u003e\n\u003cp\u003eAvoid fin nippers such as Tiger Barbs, very boisterous cichlids, and slow long-finned fish. Very large predators are also unsuitable. Searches for fish such as \u003cstrong\u003ealbino arowana for sale uk\u003c\/strong\u003e, \u003cstrong\u003esnakehead for sale uk\u003c\/strong\u003e, or very aggressive oddballs point to species that should not share a tank with these tetras. Likewise, they are not ideal with tiny shrimplets, though larger shrimp and snails may be tolerated in heavily planted aquariums.\u003c\/p\u003e\n\u003ch3\u003eCommunity Tank Examples\u003c\/h3\u003e\n\u003cp\u003eIn 150 litres, a good plan is 10 Yellow-Tailed African Tetras with a peaceful bottom group and one additional midwater species. In 180-240 litres, you can build a more dynamic Congo-style community with 12 tetras, bottom dwellers, and one carefully chosen companion shoal. This species is a strong option for aquarists seeking \u003cstrong\u003ebest tropical fish uk\u003c\/strong\u003e choices that are uncommon but still community-safe.\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\/freshwater-fish-uk\"\u003eLake Kurumoi Rainbowfish\u003c\/a\u003e\u003c\/td\u003e\n      \u003ctd\u003e✅ Yes\u003c\/td\u003e\n      \u003ctd\u003eActive, peaceful midwater fish for larger community tanks.\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003e\u003ca href=\"\/products\/freshwater-fish-uk\"\u003eProtomyzon pachychilus\u003c\/a\u003e\u003c\/td\u003e\n      \u003ctd\u003e⚠️ Caution\u003c\/td\u003e\n      \u003ctd\u003eWorks only if flow, oxygenation, and feeding strategy suit both species.\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eLong-finned slow fish\u003c\/td\u003e\n      \u003ctd\u003e❌ Avoid\u003c\/td\u003e\n      \u003ctd\u003eTheir active schooling behaviour can stress delicate, slow companions.\u003c\/td\u003e\n    \u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003eMany search terms like \u003cstrong\u003egudgeon freshwater fish uk\u003c\/strong\u003e, \u003cstrong\u003ecommon bream freshwater fish uk\u003c\/strong\u003e, \u003cstrong\u003ebream freshwater fish uk\u003c\/strong\u003e, \u003cstrong\u003ecommon roach freshwater fish uk\u003c\/strong\u003e, \u003cstrong\u003esmall river fish species\u003c\/strong\u003e, \u003cstrong\u003elarge tropical fish uk\u003c\/strong\u003e, and \u003cstrong\u003efreshwater fish with red fins\u003c\/strong\u003e come from broader fishkeeping or angling interest. They are useful comparisons when discussing shape or behaviour, but native UK river fish and ornamental tropical tetras belong in very different care categories. The same applies to legal searches such as \u003cstrong\u003ecatch and keep fishing uk\u003c\/strong\u003e, \u003cstrong\u003esea fishing laws uk\u003c\/strong\u003e, and \u003cstrong\u003ewhat size sea fish can you keep\u003c\/strong\u003e; those topics concern wild capture, not ornamental aquarium stocking.\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 tetra community. Peaceful schooling fish are especially vulnerable to parasites introduced by apparently healthy new stock.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003ch2 id=\"breeding\"\u003eHow to Breed Yellow-Tailed African Tetras: Complete Breeding Guide\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eHemigrammopetersius caudalis breeding\u003c\/strong\u003e is considered difficult rather than impossible. This species is an egg scatterer, and success usually comes from a dedicated setup rather than hoping for fry in the main tank. If you are reading a \u003cstrong\u003eyellow tailed african tetra care guide\u003c\/strong\u003e with breeding in mind, plan for soft, slightly acidic water, dim lighting, and conditioned adults.\u003c\/p\u003e\n\u003ch3\u003eBreeding Setup\u003c\/h3\u003e\n\u003cp\u003eUse a separate 40-60 litre breeding tank with fine-leaved plants or spawning mops. Water should be soft and slightly acidic, with the temperature near the upper end of the normal range, around 25-26°C. A sponge filter is best to avoid sucking up eggs or fry. This is very different from keeping native \u003cstrong\u003euk freshwater fish\u003c\/strong\u003e or browsing a \u003cstrong\u003efreshwater fish list uk\u003c\/strong\u003e; tropical egg scatterers need controlled conditions and careful fry management.\u003c\/p\u003e\n\u003ch3\u003eConditioning and Spawning\u003c\/h3\u003e\n\u003cp\u003eCondition males and females with varied live and frozen foods. Females become fuller, while males intensify in colour and display more actively. Introduce a conditioned pair or small group in the evening. Spawning often occurs at first light, with eggs scattered among plants. Adults should be removed promptly because they may eat the eggs.\u003c\/p\u003e\n\u003ch3\u003eEgg Care and Fry Rearing\u003c\/h3\u003e\n\u003cp\u003eEggs usually hatch within roughly 24-36 hours depending on temperature. Fry become free swimming a few days later and need infusoria or liquid fry food first, followed by newly hatched brine shrimp. Keep lighting low and water very clean. Small daily water changes are safer than large swings. Many breeders fail because they feed foods that are too large too soon.\u003c\/p\u003e\n\u003cp\u003eSearches like \u003cstrong\u003efreshwater fish in uk\u003c\/strong\u003e, \u003cstrong\u003efreshwater fish in the uk\u003c\/strong\u003e, \u003cstrong\u003euk fish species freshwater\u003c\/strong\u003e, \u003cstrong\u003esmall freshwater fish uk\u003c\/strong\u003e, \u003cstrong\u003euk freshwater fish species\u003c\/strong\u003e, and \u003cstrong\u003elist of freshwater fish uk\u003c\/strong\u003e often mix native species with aquarium species. For this fish, breeding is an advanced aquarium project rather than a casual community event. Expect trial and error.\u003c\/p\u003e\n\u003cdiv class=\"tip-box\"\u003e\n  \u003ch4\u003eAdvanced Breeding Tip\u003c\/h4\u003e\n  \u003cp\u003eUse a mesh, marbles, or a false bottom under the spawning area so eggs fall out of reach. This simple step can dramatically improve hatch numbers because adults are efficient egg predators.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003ch2 id=\"comparison\"\u003eYellow-Tailed African Tetra vs Similar Species: Which Should You Choose?\u003c\/h2\u003e\n\u003cp\u003eComparison matters because many aquarists looking for a Congo-region tetra are choosing between this species and larger, more familiar options. The most common comparison is \u003cstrong\u003ehemigrammopetersius caudalis vs congo tetra\u003c\/strong\u003e. Another frequent question is \u003cstrong\u003eafrican tetra vs south american tetra\u003c\/strong\u003e, especially for hobbyists deciding between a more unusual African shoal and classic community tetras.\u003c\/p\u003e\n\u003ctable class=\"comparison-table\"\u003e\n  \u003cthead\u003e\n    \u003ctr\u003e\n\u003cth\u003eFeature\u003c\/th\u003e\n\u003cth\u003eYellow-Tailed African Tetra\u003c\/th\u003e\n\u003cth\u003eCongo Tetra\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\u003e5-6 cm\u003c\/td\u003e\n\u003ctd\u003e8-10 cm\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eCare Level\u003c\/td\u003e\n\u003ctd\u003eIntermediate\u003c\/td\u003e\n\u003ctd\u003eIntermediate\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eTemperature\u003c\/td\u003e\n\u003ctd\u003e22-26°C\u003c\/td\u003e\n\u003ctd\u003e23-27°C\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003ePrice\u003c\/td\u003e\n\u003ctd\u003e£36.00\u003c\/td\u003e\n\u003ctd\u003eVaries\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eBest For\u003c\/td\u003e\n\u003ctd\u003ePeaceful medium community tanks\u003c\/td\u003e\n\u003ctd\u003eLarger show aquariums\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003eThe Yellow-Tailed African Tetra is smaller, a little subtler in body shape, and easier to fit into mid-sized aquariums. Congo tetras are larger and more dramatic, especially mature males, but they need more room. If your aim is a refined, active shoal in a 150-litre planted tank, \u003cem\u003eAlestopetersius caudalis\u003c\/em\u003e is often the better pick. If you want a larger centrepiece shoal, Congo tetras may suit you better.\u003c\/p\u003e\n\u003ctable class=\"comparison-table\"\u003e\n  \u003cthead\u003e\n    \u003ctr\u003e\n\u003cth\u003eFeature\u003c\/th\u003e\n\u003cth\u003eYellow-Tailed African Tetra\u003c\/th\u003e\n\u003cth\u003eSmall South American Tetra\u003c\/th\u003e\n\u003c\/tr\u003e\n  \u003c\/thead\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n\u003ctd\u003eOrigin\u003c\/td\u003e\n\u003ctd\u003eCentral Africa\u003c\/td\u003e\n\u003ctd\u003eSouth America\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eSchooling Style\u003c\/td\u003e\n\u003ctd\u003eTight, active, alert\u003c\/td\u003e\n\u003ctd\u003eOften calmer, species dependent\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eLook\u003c\/td\u003e\n\u003ctd\u003eMetallic body with yellow tail\u003c\/td\u003e\n\u003ctd\u003eUsually body stripe or red\/blue highlights\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eBest Tank Style\u003c\/td\u003e\n\u003ctd\u003eCongo-inspired planted layout\u003c\/td\u003e\n\u003ctd\u003eBlackwater or mixed community\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eWho Should Choose It?\u003c\/td\u003e\n\u003ctd\u003eKeepers wanting something less common\u003c\/td\u003e\n\u003ctd\u003eBeginners wanting classic tetra options\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003eQuestions like \u003cstrong\u003eyellow tailed african tetra vs phenacogrammus\u003c\/strong\u003e or \u003cstrong\u003eyellow tailed african tetra vs phenacogrammus\u003c\/strong\u003e usually come down to scale and style. \u003cem\u003ePhenacogrammus\u003c\/em\u003e species, including Congo tetras, are generally larger and flashier. \u003cem\u003eAlestopetersius caudalis\u003c\/em\u003e offers a neater size, easier group management, and a distinctive tail colour that works beautifully in medium aquariums. If you are browsing \u003cstrong\u003erare tropical fish uk\u003c\/strong\u003e or unusual \u003cstrong\u003epopular fish in uk\u003c\/strong\u003e listings, this species hits a sweet spot between rarity and practicality.\u003c\/p\u003e\n\n\u003ch2 id=\"health\"\u003eCommon Health Problems in Yellow-Tailed African Tetras \u0026amp; How to Prevent Them\u003c\/h2\u003e\n\u003cp\u003eA healthy Yellow-Tailed African Tetra is alert, schooling with the group, feeding eagerly, and holding fins open. The body should look full but not bloated, the eyes clear, and the tail intact. Because this is a midwater shoaling fish, unusual isolation is often the first sign that something is wrong. Stress from poor water quality, rough transport, or bad tank mate choices can quickly lead to disease.\u003c\/p\u003e\n\u003ch3\u003eCommon Problems\u003c\/h3\u003e\n\u003cp\u003eThe most likely issues are external parasites, bacterial fin damage after stress, and general loss of condition in immature tanks. White spot, flashing, clamped fins, faded colour, and rapid breathing all need quick attention. Since these fish are active and sensitive to poor water, they can also react badly to elevated nitrate or unstable pH. Monitoring \u003cstrong\u003efreshwater fish mass\u003c\/strong\u003e is not a normal aquarium metric for hobbyists, but body condition absolutely matters: sudden weight loss often points to internal parasites or chronic bullying.\u003c\/p\u003e\n\u003ch3\u003eTreatment and Prevention\u003c\/h3\u003e\n\u003cp\u003eStart with water testing and a large partial water change if parameters are off. Quarantine affected fish where possible. Use medications carefully and only after identifying the likely issue. Avoid random treatment based on unrelated searches such as \u003cstrong\u003erare apistogramma for sale uk\u003c\/strong\u003e, \u003cstrong\u003ecorydoras habrosus for sale uk\u003c\/strong\u003e, \u003cstrong\u003erare corydoras for sale uk\u003c\/strong\u003e, \u003cstrong\u003egoodeid for sale uk\u003c\/strong\u003e, or \u003cstrong\u003epseudomugil signifer for sale uk\u003c\/strong\u003e; different fish groups can respond very differently to stress and treatment methods.\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 that contain shrimp or other sensitive invertebrates. Copper can be lethal even at low concentrations.\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\u003eKeep new fish in a separate tank for 2-4 weeks\u003c\/li\u003e\n    \u003cli\u003eObserve feeding response, respiration, and swimming\u003c\/li\u003e\n    \u003cli\u003eWatch for white spot, flashing, or fin damage\u003c\/li\u003e\n    \u003cli\u003eUse mature filtration and stable temperature\u003c\/li\u003e\n    \u003cli\u003eOnly move fish to the display tank when fully settled\u003c\/li\u003e\n  \u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cp\u003eMany broad search terms such as \u003cstrong\u003erarest uk freshwater fish\u003c\/strong\u003e, \u003cstrong\u003ebarbel freshwater fish uk\u003c\/strong\u003e, \u003cstrong\u003efreshwater fish uk to eat\u003c\/strong\u003e, or \u003cstrong\u003euk sea fish species\u003c\/strong\u003e are not directly relevant to ornamental tetra health, but they highlight a common confusion between wild fish topics and aquarium care. For this species, prevention is simple: stable warm water, a proper group, varied diet, and low stress.\u003c\/p\u003e\n\n\u003ch2 id=\"behavior\"\u003eUnderstanding Yellow-Tailed African Tetra Behavior in the Aquarium\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eHemigrammopetersius caudalis behaviour\u003c\/strong\u003e is best described as active, alert, and social. These fish are true schoolers that look and behave far better in numbers. A group of 8-10 or more will cruise the midwater together, turn sharply as one, and settle into a visible hierarchy without serious aggression. Kept singly or in too small a group, they become nervous and may hide more often.\u003c\/p\u003e\u003cp\u003eThey are not hyper-aggressive, but they are lively enough to unsettle very timid or long-finned species. In a suitable setup, they spend most of the day in open water, especially when they feel secure from side planting and darker décor. They often intensify in colour during feeding and mild social displays. This makes them a rewarding choice for aquarists wanting a more natural schooling display than many standard community fish.\u003c\/p\u003e\u003cp\u003eIf you want the best behaviour, focus on group size, stable water, and open swimming space. This is one reason the species is often recommended in a serious \u003cstrong\u003eyellow tailed african tetra care guide\u003c\/strong\u003e rather than as a beginner impulse purchase. Given the right environment, they are one of the most elegant midwater shoalers available in the \u003cstrong\u003efreshwater fish UK\u003c\/strong\u003e trade.\u003c\/p\u003e\n\n\u003ch2 id=\"why-buy\"\u003eWhy Buy from Tropical Fish Co?\u003c\/h2\u003e\n\u003cp\u003eYellow-Tailed African Tetras can arrive shy if handled poorly, so the quality of sourcing and holding matters. Our groups are selected for active schooling behaviour, clean finnage, and strong tail colour rather than simply being the cheapest \u003cstrong\u003eyellow tail congo tetra price UK\u003c\/strong\u003e option on a list. Before dispatch, they are observed for feeding response and overall condition so you receive fish that are already taking prepared foods and settling into aquarium life.\u003c\/p\u003e\u003cp\u003eFor customers searching \u003cstrong\u003ebuy live fish online uk\u003c\/strong\u003e, \u003cstrong\u003ebuy yellow tailed african tetra UK\u003c\/strong\u003e, \u003cstrong\u003eyellow tailed african tetra buy online UK\u003c\/strong\u003e, \u003cstrong\u003efreshwater fish uk for sale\u003c\/strong\u003e, \u003cstrong\u003euk freshwater fish for sale\u003c\/strong\u003e, \u003cstrong\u003efreshwater fish for sale uk\u003c\/strong\u003e, \u003cstrong\u003etropical fish uk for sale\u003c\/strong\u003e, or even the \u003cstrong\u003ebest place to buy tropical fish online uk\u003c\/strong\u003e, careful packing is just as important as fish quality. Orders are packed in insulated boxes, with heat packs in cold weather when needed, and sent by tracked delivery. Each bag is packed to reduce sloshing stress during transport, which is especially important for active schooling fish.\u003c\/p\u003e\u003cp\u003eWe also include practical acclimation guidance because this species settles best when temperature and chemistry changes are gradual. If you have been comparing broad searches like \u003cstrong\u003ebuy tropical fish online uk free delivery\u003c\/strong\u003e or generic \u003cstrong\u003efreshwater uk fish\u003c\/strong\u003e listings, the key difference is preparation: healthy tetras need stable holding, sensible group management, and proper shipping methods. Order your Yellow-Tailed African Tetra today with confidence if you want a peaceful, unusual Congo-region shoaler for a well-planned community aquarium.\u003c\/p\u003e\n\u003cdiv class=\"care-highlight\"\u003e\n  \u003ch4\u003eWhy Choose Tropical Fish Co for Yellow-Tailed African Tetra\u003c\/h4\u003e\n  \u003cul\u003e\n    \u003cli\u003eSelected for active schooling behaviour and clear yellow tail colour\u003c\/li\u003e\n    \u003cli\u003eObserved feeding on prepared foods before dispatch\u003c\/li\u003e\n    \u003cli\u003ePacked with insulation and seasonal heat protection for safer UK transit\u003c\/li\u003e\n  \u003c\/ul\u003e\n\u003c\/div\u003e\n\n\u003ch2\u003eYou Might Also Like\u003c\/h2\u003e\n\u003cp\u003eBuild a more interesting community around your Yellow-Tailed African Tetras with carefully chosen companions and comparison species. For active midwater contrast, consider \u003ca href=\"\/products\/freshwater-fish-uk\"\u003eLake Kurumoi Rainbowfish\u003c\/a\u003e. For a planted nano-style accent in larger peaceful displays, look at \u003ca href=\"\/products\/freshwater-fish-uk\"\u003eStrawberry Rasbora\u003c\/a\u003e. If you prefer a more robust barb-based community, explore \u003ca href=\"\/products\/freshwater-fish-uk\"\u003eRhombo Barb\u003c\/a\u003e or \u003ca href=\"\/products\/freshwater-fish-uk\"\u003eSixbanded Barb\u003c\/a\u003e. Advanced keepers with larger aquariums may also compare them with \u003ca href=\"\/products\/freshwater-fish-uk\"\u003eChalceus erythrurus\u003c\/a\u003e or \u003ca href=\"\/products\/freshwater-fish-uk\"\u003eMyleus schomburgki\u003c\/a\u003e when planning a bigger South American or mixed oddball setup. If you are browsing the wider \u003ca href=\"\/products\/freshwater-fish-uk\"\u003efreshwater fish UK collection\u003c\/a\u003e, this species is an excellent place to start for a peaceful African-themed display.\u003c\/p\u003e","brand":"Tropical Fish Co","offers":[{"title":"3 - 4 cm","offer_id":57469577757007,"sku":"2015","price":9.99,"currency_code":"GBP","in_stock":false},{"title":"4,5 - 5 cm","offer_id":57470136123727,"sku":"2016","price":8.99,"currency_code":"GBP","in_stock":true},{"title":"2-2.5 cm","offer_id":57560369627471,"sku":"2006","price":5.99,"currency_code":"GBP","in_stock":false},{"title":"2.5-3 cm","offer_id":57560369660239,"sku":"2007","price":6.99,"currency_code":"GBP","in_stock":false},{"title":"5.5-6 cm","offer_id":57560369693007,"sku":"2017","price":18.99,"currency_code":"GBP","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1007\/1408\/6735\/files\/freshwater-fish-uk-yellow-tailed-african-tetra-stunning-peaceful-schooling-hero-driftwood-2015_7cbba704-4f3e-4955-987c-2f4cb6cc1316.webp?v=1776544386","url":"https:\/\/tropical-fish-co.myshopify.com\/products\/freshwater-tropical-fish-uk-yellow-tailed-tetra","provider":"Tropical Fish Co","version":"1.0","type":"link"}