{"product_id":"threadfin-rainbowfish-featherfin-iriatherina-werneri-tropical-fish-uk","title":"Threadfin Rainbowfish (Iriatherina werneri) - UK","description":"\u003cp\u003eIf you want a true showpiece for a peaceful nano-to-medium community, the \u003cstrong\u003eThreadfin Rainbowfish\u003c\/strong\u003e, also sold as the \u003cstrong\u003eFeatherfin Rainbowfish\u003c\/strong\u003e, is one of the most elegant choices in the \u003cstrong\u003etropical fish UK\u003c\/strong\u003e hobby. \u003cem\u003eIriatherina werneri\u003c\/em\u003e is famous for its long, filament-like fins, gentle nature, and shimmering display when kept in the right group and water conditions. Native to northern Australia and New Guinea, this species stays small, with a typical \u003cstrong\u003ethreadfin rainbowfish size\u003c\/strong\u003e of around 5 cm, yet it creates far more visual impact than many larger fish. With a lifespan of up to 5 years, a peaceful temperament, and a moderate care level, it is ideal for aquarists who enjoy detail, subtle behaviour, and beautifully planted aquariums.\u003c\/p\u003e\u003cp\u003eThis species is especially popular among keepers searching for \u003cstrong\u003eaquarium rainbowfish UK\u003c\/strong\u003e options that suit a calm community rather than a fast, boisterous setup. See our detailed photos showing the fine finnage, male display posture, and the soft gold, silver, blue, and black accents that make this fish stand out. Whether you are researching \u003cstrong\u003ethreadfin rainbowfish for beginners\u003c\/strong\u003e, planning a \u003cstrong\u003ethreadfin rainbowfish tank setup\u003c\/strong\u003e, or comparing peaceful shoaling species before you \u003cstrong\u003ebuy live fish online UK\u003c\/strong\u003e, this guide explains exactly how to care for them successfully. In the right aquarium, these fish reward patience with graceful movement, courtship displays, and a refined look that few other community species can match.\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\u003eIriatherina werneri\u003c\/em\u003e\n\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eCommon Names:\u003c\/strong\u003e Threadfin Rainbowfish, Featherfin Rainbowfish\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eCare Level:\u003c\/strong\u003e Moderate\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eMin Tank Size:\u003c\/strong\u003e 80 litres (around 21 gallons)\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eTemperature:\u003c\/strong\u003e 24-30°C (75-86°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\u003eHardness:\u003c\/strong\u003e 5-15 dGH\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, delicate, schooling\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eDiet:\u003c\/strong\u003e Omnivore; micro pellets, frozen foods, and tiny live foods\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 Atheriniformes\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eFamily:\u003c\/strong\u003e Melanotaeniidae\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eGenus:\u003c\/strong\u003e \u003cem\u003eIriatherina\u003c\/em\u003e\n\u003c\/li\u003e\n  \u003c\/ul\u003e\n  \u003cp\u003e\u003cem\u003eIriatherina werneri\u003c\/em\u003e is the only species in its genus, which already tells you how distinctive it is in the aquarium hobby. Unlike many sturdier rainbowfish, this species is finer-boned, more delicate in feeding style, and far more dependent on calm surroundings and dense planting. It sits within the rainbowfish family alongside popular species such as \u003ca href=\"\/products\/tropical-fish-uk\"\u003eDwarf Rainbowfish\u003c\/a\u003e, \u003ca href=\"\/products\/tropical-fish-uk\"\u003eLake Kutubu Rainbowfish\u003c\/a\u003e, and \u003ca href=\"\/products\/tropical-fish-uk\"\u003eRed Boeseman'S Rainbowfish\u003c\/a\u003e, but it occupies a softer, more specialised niche for planted community aquariums.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003ch2 id=\"origin\"\u003eWhere Do Threadfin Rainbowfish Come From? Natural Habitat Explained\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003ethreadfin rainbowfish habitat\u003c\/strong\u003e is very different from the open, high-energy waters many hobbyists imagine when they think of rainbowfish. In the wild, these fish are found in slow-moving freshwater swamps, marshy edges, lagoons, and heavily vegetated creeks across northern Australia and New Guinea. The \u003cstrong\u003ethreadfin rainbowfish jardine river\u003c\/strong\u003e region in Queensland is one of the better known Australian localities, and the species is also recorded from lowland waters in southern New Guinea.\u003c\/p\u003e\n\u003cp\u003eThese habitats are typically warm, shallow, and rich in aquatic plants. Fallen branches, marginal grasses, and submerged stems provide shelter from predators and create the calm visual barriers that this species prefers. If you are building a realistic display, think less about a bare rainbowfish tank and more about a soft, weedy backwater. This is why \u003cstrong\u003ethreadfin rainbowfish in planted tank\u003c\/strong\u003e setups are so successful: they closely match the fish's natural environment.\u003c\/p\u003e\n\u003cp\u003eIn nature, these fish spend much of their time picking at tiny food items in the water column. Their mouths are small, so they are adapted to micro-prey rather than large flakes or chunky pellets. That same trait explains why a proper \u003cstrong\u003ethreadfin rainbowfish care guide\u003c\/strong\u003e always emphasises small foods, gentle competition, and careful stocking. They are peaceful fish, but they can easily be outcompeted by larger, faster species.\u003c\/p\u003e\n\u003cp\u003eHobbyists sometimes compare them with larger rainbowfish and search terms like \u003cstrong\u003eboesemani rainbowfish habitat\u003c\/strong\u003e, \u003cstrong\u003eboesemani rainbowfish natural habitat\u003c\/strong\u003e, \u003cstrong\u003eboesemani rainbowfish origin\u003c\/strong\u003e, or \u003cstrong\u003eboesemani rainbowfish biotope\u003c\/strong\u003e. While both belong to the rainbowfish family, Threadfins come from much gentler, more plant-filled waters and need a calmer aquarium style. They are not suitable for a \u003cstrong\u003etropical fish outdoor pond UK\u003c\/strong\u003e or \u003cstrong\u003etropical fish pond UK\u003c\/strong\u003e arrangement; UK temperatures are too unstable for year-round care. They are also not what most people mean by \u003cstrong\u003ewild tropical fish UK\u003c\/strong\u003e imports for hardier mixed setups.\u003c\/p\u003e\n\u003cdiv class=\"tip-box\"\u003e\n  \u003ch4\u003e💡 Expert Tip\u003c\/h4\u003e\n  \u003cp\u003eMimicking the natural habitat improves colour, confidence, and breeding behaviour. Use dense planting around the sides and back, open swimming space in the middle, and a gentle flow. Fish kept in sparse, bright tanks often look washed out and remain nervous.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003ch2 id=\"tank-setup\"\u003eHow to Set Up the Perfect Tank for Threadfin Rainbowfish\u003c\/h2\u003e\n\u003cp\u003eA successful \u003cstrong\u003ethreadfin rainbowfish aquarium setup\u003c\/strong\u003e starts with understanding that these are delicate, midwater schooling fish rather than rugged generalists. The recommended \u003cstrong\u003ethreadfin rainbowfish minimum tank size\u003c\/strong\u003e is 80 litres, but a mature 90-120 litre planted aquarium is even better because it gives the group more horizontal swimming room and helps stabilise water quality. If you are searching \u003cstrong\u003ethreadfin rainbowfish tank size\u003c\/strong\u003e advice, the key is not just litres but calm space, plant cover, and a proper shoal.\u003c\/p\u003e\n\u003ch3\u003eTank Size Requirements\u003c\/h3\u003e\n\u003cp\u003eFor a group of 6, 80 litres is the practical minimum. For 8-12 fish, especially if you want stronger male display behaviour, 90 litres or more works better. A common question is \u003cstrong\u003ehow many threadfin rainbowfish in a tank\u003c\/strong\u003e. In an 80 litre species-focused setup, 6-8 is sensible. In a 100-120 litre planted community, 10-12 can work if tank mates are equally peaceful and the filtration is mature. If you are using an \u003cstrong\u003eaquarium fish calculator UK\u003c\/strong\u003e, remember that body size alone underestimates their need for social space and clean water.\u003c\/p\u003e\n\u003ch3\u003eWater Parameters\u003c\/h3\u003e\n\u003cp\u003eThe ideal \u003cstrong\u003ethreadfin rainbowfish temperature\u003c\/strong\u003e range is 24-30°C, with many keepers finding 25-27°C the sweet spot for daily care. If you are checking \u003cstrong\u003ethreadfin rainbowfish water temperature\u003c\/strong\u003e or broader \u003cstrong\u003etropical fish tank temperature UK\u003c\/strong\u003e advice, aim for stability rather than chasing the highest number. For most home aquariums, a \u003cstrong\u003etropical fish tank temperature UK celsius\u003c\/strong\u003e target of 25-26°C is excellent. The same applies to \u003cstrong\u003etropical fish water temperature UK\u003c\/strong\u003e searches: consistency matters more than fluctuation.\u003c\/p\u003e\n\u003cp\u003eGood \u003cstrong\u003ethreadfin rainbowfish water parameters\u003c\/strong\u003e are pH 5.5-7.5 and soft to moderately hard water. Suitable \u003cstrong\u003ethreadfin rainbowfish water hardness\u003c\/strong\u003e sits around 5-15 dGH. These fish can adapt within that range, but they look and breed best in slightly acidic to neutral water with low stress. The most important part of \u003cstrong\u003ethreadfin rainbowfish ideal conditions\u003c\/strong\u003e is cleanliness, low nitrate, and mature biological stability.\u003c\/p\u003e\n\u003cdiv class=\"spec-grid\"\u003e\n  \u003cdiv class=\"spec-card\"\u003e\n    \u003cdiv class=\"spec-value\"\u003e24-30°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\"\u003e5.5-7.5\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\"\u003e5-15 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\"\u003e80L+\u003c\/div\u003e\n    \u003cdiv class=\"spec-label\"\u003eMinimum Tank\u003c\/div\u003e\n  \u003c\/div\u003e\n\u003c\/div\u003e\n\u003ch3\u003eFiltration and Flow\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eThreadfin rainbowfish filtration needs\u003c\/strong\u003e are straightforward: they need excellent water quality but dislike harsh current. A gentle internal filter, mature sponge filter, or adjustable hang-on-back unit works well. This species is a good example of why the answer to \u003cstrong\u003ecan tropical fish live without a filter\u003c\/strong\u003e is generally no in a home aquarium. Even though they dislike strong flow, they still need stable biological filtration and oxygenation.\u003c\/p\u003e\n\u003ch3\u003eSubstrate, Plants, and Decor\u003c\/h3\u003e\n\u003cp\u003eUse a dark sand or fine natural gravel to reduce glare and help colours stand out. The best \u003cstrong\u003ethreadfin rainbowfish tank setup\u003c\/strong\u003e includes fine-leaved plants, floating cover, and open central swimming space. Dense stems and mops also support \u003cstrong\u003ethreadfin rainbowfish breeding\u003c\/strong\u003e. Good companions in the same display style include \u003ca href=\"\/products\/tropical-fish-uk\"\u003ePacific Blue-Eye\u003c\/a\u003e, \u003ca href=\"\/products\/tropical-fish-uk\"\u003ePaska'S Blue-Eye\u003c\/a\u003e, and \u003ca href=\"\/products\/tropical-fish-uk\"\u003eSpotted Blue-Eye Rainbowfish\u003c\/a\u003e.\u003c\/p\u003e\n\u003cp\u003eIf you like the rainbowfish look but want a larger species later, compare this setup with \u003cstrong\u003eboesemani rainbow fish tank setup\u003c\/strong\u003e, \u003cstrong\u003eboesemani rainbowfish tank requirements\u003c\/strong\u003e, \u003cstrong\u003eboesemani rainbowfish tank size\u003c\/strong\u003e, and \u003cstrong\u003eboesemani rainbowfish minimum tank size\u003c\/strong\u003e. Those larger species need more open swimming room and stronger filtration than Threadfins.\u003c\/p\u003e\n\u003ch3\u003eLighting\u003c\/h3\u003e\n\u003cp\u003eModerate lighting is ideal. Bright light is fine if softened by floating plants. Males display best under planted-tank lighting with dark background contrast. Too much bare brightness can make them skittish.\u003c\/p\u003e\n\u003cdiv class=\"info-box\"\u003e\n  \u003ch4\u003eQuick Setup Checklist\u003c\/h4\u003e\n  \u003cul\u003e\n    \u003cli\u003eTank of 80 litres minimum, 90-120 litres preferred\u003c\/li\u003e\n    \u003cli\u003eStable heater set to 25-27°C\u003c\/li\u003e\n    \u003cli\u003eGentle filtration with low to moderate flow\u003c\/li\u003e\n    \u003cli\u003eDense live plants and floating cover\u003c\/li\u003e\n    \u003cli\u003eDark substrate and open midwater swimming area\u003c\/li\u003e\n    \u003cli\u003eSchool of at least 6 fish\u003c\/li\u003e\n    \u003cli\u003eFully cycled aquarium before stocking\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 Threadfins. In new tanks they are far more likely to suffer stress, poor feeding response, and opportunistic disease. A mature planted aquarium is the easiest route to long-term success.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003ch2 id=\"feeding\"\u003eWhat Do Threadfin Rainbowfish Eat? Complete Feeding Guide\u003c\/h2\u003e\n\u003cp\u003eThe correct \u003cstrong\u003ethreadfin rainbowfish diet\u003c\/strong\u003e is one of the biggest keys to success with this species. Because they have tiny mouths, they need very small foods offered in manageable portions. If you are looking for a practical \u003cstrong\u003ethreadfin rainbowfish feeding guide\u003c\/strong\u003e, think micro-pellets, crushed flakes, baby brine shrimp, daphnia, cyclops, and finely sized frozen foods. The best \u003cstrong\u003efood for threadfin rainbowfish\u003c\/strong\u003e is anything small enough to be taken easily without frantic competition.\u003c\/p\u003e\n\u003cp\u003eIn the wild they pick at tiny invertebrates and suspended food items. In the aquarium, a varied omnivore routine works best. Although hobbyists often search broader terms such as \u003cstrong\u003eboesemani rainbowfish diet\u003c\/strong\u003e, \u003cstrong\u003eboeseman's rainbowfish diet\u003c\/strong\u003e, \u003cstrong\u003ewhat does boeseman's rainbowfish eat\u003c\/strong\u003e, or \u003cstrong\u003eboesemani rainbowfish food\u003c\/strong\u003e, Threadfins need much finer food size than Boesemani rainbowfish. They are not algae specialists, so if you are searching \u003cstrong\u003ealgae eating tropical fish UK\u003c\/strong\u003e, this is not the species for that role.\u003c\/p\u003e\n\u003ch3\u003eStaple Foods\u003c\/h3\u003e\n\u003cp\u003eUse a quality micro pellet or finely crushed flake as the staple. This is where many keepers start when researching the \u003cstrong\u003ebest tropical fish food UK\u003c\/strong\u003e for small community fish. The staple should sink slowly or remain suspended briefly, giving the fish time to feed naturally in the midwater zone.\u003c\/p\u003e\n\u003ch3\u003eSupplemental Foods\u003c\/h3\u003e\n\u003cp\u003eOffer frozen cyclops, baby brine shrimp, daphnia, and finely chopped bloodworm in moderation. For conditioning adults and encouraging courtship, live foods are excellent, especially if you already use \u003cstrong\u003elive tropical fish food UK\u003c\/strong\u003e options for other delicate species.\u003c\/p\u003e\n\u003ch3\u003eFeeding Frequency\u003c\/h3\u003e\n\u003cp\u003eCustomers often ask \u003cstrong\u003ehow often should you feed tropical fish\u003c\/strong\u003e, \u003cstrong\u003eshould you feed tropical fish every day\u003c\/strong\u003e, and \u003cstrong\u003ehow many times a week do you feed tropical fish\u003c\/strong\u003e. For Threadfins, feed small amounts 1-2 times daily. They do better with frequent tiny meals than one heavy feeding. If you travel, a carefully adjusted \u003cstrong\u003eautomatic tropical fish feeder UK\u003c\/strong\u003e can work with micro granules, but test it before relying on it.\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 crushed flake\u003c\/td\u003e\n\u003ctd\u003eWhat they finish in 60-90 seconds\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eEvening\u003c\/td\u003e\n\u003ctd\u003eBaby brine shrimp, daphnia, or cyclops\u003c\/td\u003e\n\u003ctd\u003eSmall pinch or small thawed portion\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003eThey generally ignore plants, so unlike questions such as \u003cstrong\u003edo boesemani rainbow fish eat plants\u003c\/strong\u003e, Threadfins are safe with planted aquariums. They may take very tiny shrimplets, but they are not active shrimp hunters in the way implied by searches like \u003cstrong\u003eboesemani rainbowfish eat shrimp\u003c\/strong\u003e. If you are comparing local shopping terms like \u003cstrong\u003eaquarium fish food for sale near me\u003c\/strong\u003e, focus on food size first and brand second.\u003c\/p\u003e\n\u003cdiv class=\"food-recommendation\"\u003e\n  \u003ca href=\"\/products\/tropical-fish-uk\"\u003ex Threadfin Rainbowfish Iriatherina Werneri TROPICAL\u003c\/a\u003e\n  \u003cp\u003eIdeal when paired with small-particle staple foods and regular frozen micro-foods to support finnage, colour, and breeding condition.\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 bacterial stress. Because Threadfins are small and slow feeders, uneaten food can build up quickly in planted tanks. Feed lightly and watch each meal rather than dropping in extra “just in case.”\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003ch2 id=\"appearance\"\u003eWhat Does the Threadfin Rainbowfish Look Like? Colors, Fins \u0026amp; Sex Differences\u003c\/h2\u003e\n\u003cp\u003eThe most striking feature of this species is its extended finnage. The body is slim and elegant, while the dorsal and anal fins stretch into long threads that wave as the fish moves. Standard \u003cstrong\u003ethreadfin rainbowfish size\u003c\/strong\u003e is about 5 cm in body length, though the fins make mature males appear larger. If you are wondering \u003cstrong\u003ewhat size fish should i get\u003c\/strong\u003e for a peaceful planted setup, this species is ideal when you want visual delicacy rather than bulk.\u003c\/p\u003e\n\u003cp\u003eMales are the stars. They show longer fins, stronger contrast, and more display behaviour. Females are smaller, subtler, and less ornate. This makes \u003cstrong\u003ethreadfin rainbowfish male vs female\u003c\/strong\u003e identification relatively easy. Searches for \u003cstrong\u003ethreadfin rainbowfish male female\u003c\/strong\u003e usually focus on finnage, and that is the best indicator: males have clearly elongated, decorative fins, while females are shorter-finned and more understated.\u003c\/p\u003e\n\u003cp\u003eColour varies by mood, age, and strain, but expect silvery bodies with warm yellow, orange, black, and iridescent blue highlights. In strong condition, males can look almost hand-painted. Some hobbyists compare rainbowfish colour issues using searches like \u003cstrong\u003eboesemani rainbow fish color change\u003c\/strong\u003e, \u003cstrong\u003eboesemani rainbow fish colors\u003c\/strong\u003e, \u003cstrong\u003eboesemani rainbow fish no color\u003c\/strong\u003e, or \u003cstrong\u003eboesemani rainbow fish turning black\u003c\/strong\u003e. With Threadfins, dull colour usually points to stress, poor diet, sparse decor, or being kept in too small a group.\u003c\/p\u003e\n\u003cp\u003eFor beginners asking \u003cstrong\u003ewhat is a good size fish tank for a beginner\u003c\/strong\u003e, the answer with this species is not the smallest tank possible. They may be small, but they look best and behave naturally in a mature 80 litre plus planted aquarium where their fins are not damaged by rough tank mates or heavy current.\u003c\/p\u003e\n\n\u003ch2 id=\"compatibility\"\u003eWhat Fish Can Live With Threadfin Rainbowfish? Compatibility Guide\u003c\/h2\u003e\n\u003cp\u003eThe best \u003cstrong\u003ethreadfin rainbowfish tank mates\u003c\/strong\u003e are small, peaceful, non-nippy fish that enjoy similar warm, clean water. This species is one of the \u003cstrong\u003ebest rainbowfish for community tank\u003c\/strong\u003e setups if the community is genuinely gentle. They are excellent \u003cstrong\u003ethreadfin rainbowfish compatible fish\u003c\/strong\u003e for a planted display, and they do very well as \u003cstrong\u003ethreadfin rainbowfish in community tank\u003c\/strong\u003e centrepiece shoalers when stocked carefully.\u003c\/p\u003e\n\u003ch3\u003eIdeal Tank Mates\u003c\/h3\u003e\n\u003cp\u003eExcellent companions include other calm rainbowfish and blue-eyes such as \u003ca href=\"\/products\/tropical-fish-uk\"\u003eCelebes Rainbowfish\u003c\/a\u003e, \u003ca href=\"\/products\/tropical-fish-uk\"\u003ePacific Blue-Eye\u003c\/a\u003e, \u003ca href=\"\/products\/tropical-fish-uk\"\u003ePaska'S Blue-Eye\u003c\/a\u003e, \u003ca href=\"\/products\/tropical-fish-uk\"\u003eSpotted Blue-Eye Rainbowfish\u003c\/a\u003e, and \u003ca href=\"\/products\/tropical-fish-uk\"\u003eDwarf Rainbowfish\u003c\/a\u003e. For larger planted aquariums, carefully chosen groups of \u003ca href=\"\/products\/tropical-fish-uk\"\u003eLake Kutubu Rainbowfish\u003c\/a\u003e can work if the Threadfins are not intimidated and the tank is spacious.\u003c\/p\u003e\n\u003cp\u003eThey also mix well with tiny rasboras, peaceful Corydoras, Otocinclus, and some small shrimp colonies, though very small shrimplets may occasionally be eaten. If you are building a \u003cstrong\u003ecommunity tropical fish UK\u003c\/strong\u003e aquarium, think calm movement and small mouths.\u003c\/p\u003e\n\u003ch3\u003eSpecies to Avoid\u003c\/h3\u003e\n\u003cp\u003eAvoid fin-nippers, boisterous barbs, large tetras, aggressive gouramis, and most cichlids. Customers often ask \u003cstrong\u003ewhat tropical fish are aggressive\u003c\/strong\u003e; for Threadfins, even moderately pushy fish can be a problem. Their long fins invite nipping, and their quiet feeding style means they lose out quickly at mealtimes.\u003c\/p\u003e\n\u003cp\u003eSome search comparisons reference larger rainbowfish, such as \u003cstrong\u003eare boesemani rainbow fish aggressive\u003c\/strong\u003e, \u003cstrong\u003eare boesemani rainbowfish aggressive\u003c\/strong\u003e, \u003cstrong\u003eboesemani rainbowfish aggressive\u003c\/strong\u003e, or \u003cstrong\u003eboesemani rainbowfish peaceful\u003c\/strong\u003e. Boesemani are generally not aggressive predators, but they are much faster, larger, and more assertive than Threadfins. That difference matters. Likewise, \u003cstrong\u003eboesemani rainbow fish community tank\u003c\/strong\u003e, \u003cstrong\u003eboesemani rainbow fish compatibility\u003c\/strong\u003e, \u003cstrong\u003eboesemani rainbow fish tankmates\u003c\/strong\u003e, and \u003cstrong\u003eboesemani rainbowfish tank mates\u003c\/strong\u003e advice does not transfer directly to this species.\u003c\/p\u003e\n\u003cp\u003eQuestions such as \u003cstrong\u003ecan boesemani rainbow fish live with angelfish\u003c\/strong\u003e, \u003cstrong\u003ecan boesemani rainbow fish live with goldfish\u003c\/strong\u003e, and \u003cstrong\u003ecan boesemani rainbow fish live with guppies\u003c\/strong\u003e also highlight the same point: compatibility is about temperament, feeding speed, fin safety, and temperature overlap. For Threadfins, angelfish and goldfish are poor choices; calm guppies may work in some tanks, but fin-nipping strains should be avoided.\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\/tropical-fish-uk\"\u003ePacific Blue-Eye\u003c\/a\u003e\u003c\/td\u003e\n      \u003ctd\u003e✅ Yes\u003c\/td\u003e\n      \u003ctd\u003eSimilar size and peaceful nature; excellent for planted tanks.\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003e\u003ca href=\"\/products\/tropical-fish-uk\"\u003eCelebes Rainbowfish\u003c\/a\u003e\u003c\/td\u003e\n      \u003ctd\u003e⚠️ Caution\u003c\/td\u003e\n      \u003ctd\u003eCan work in larger tanks, but monitor feeding competition and activity level.\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eTiger Barbs\u003c\/td\u003e\n      \u003ctd\u003e❌ Avoid\u003c\/td\u003e\n      \u003ctd\u003eLikely to nip the long fins and stress the group.\u003c\/td\u003e\n    \u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003eThreadfins are schooling fish, so keep them in groups of at least 6, ideally more. Hobbyists searching \u003cstrong\u003eare boesemani rainbowfish schooling fish\u003c\/strong\u003e, \u003cstrong\u003eboesemani rainbow fish schooling\u003c\/strong\u003e, or even \u003cstrong\u003e6 boesemani rainbowfish\u003c\/strong\u003e are usually trying to understand group dynamics. The same principle applies here: larger groups spread attention, improve confidence, and bring out better colour and display behaviour.\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 Threadfin aquarium. This species is sensitive to stress and does best when introduced to a stable, disease-free community with no sudden bullying.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003ch2 id=\"breeding\"\u003eHow to Breed Threadfin Rainbowfish: Complete Breeding Guide\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eThreadfin rainbowfish breeding\u003c\/strong\u003e is very achievable for patient aquarists, but it is best described as moderate rather than easy. Among hobbyists interested in \u003cstrong\u003ebreeding rainbow fish\u003c\/strong\u003e, this species is especially rewarding because the courtship display is beautiful and the fry are fascinating to raise. If you are learning \u003cstrong\u003ehow to care for threadfin rainbowfish\u003c\/strong\u003e with breeding in mind, the main goals are calm surroundings, live food conditioning, and fine-leaved spawning media.\u003c\/p\u003e\n\u003ch3\u003eBreeding Setup\u003c\/h3\u003e\n\u003cp\u003eUse a separate 40-60 litre breeding tank or a heavily planted species aquarium. Keep the water warm at 26-28°C, slightly acidic to neutral, and very clean. Spawning mops, Java moss, or fine stem plants give the fish somewhere to scatter eggs. A ratio of one male to two or three females often works best, as dominant males can display intensely.\u003c\/p\u003e\n\u003ch3\u003eMale vs Female\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eThreadfin rainbowfish male vs female\u003c\/strong\u003e differences are clear in breeding condition. Males show longer, more ornate fins and brighter colour, while females are rounder-bodied and shorter-finned. Many keepers searching \u003cstrong\u003ethreadfin rainbowfish male female\u003c\/strong\u003e are trying to assemble a productive group; aim for multiple females per male to reduce stress.\u003c\/p\u003e\n\u003ch3\u003eSpawning and Eggs\u003c\/h3\u003e\n\u003cp\u003eThe male courts by flaring and vibrating his fins in front of the female. Eggs are scattered among plants and mops over several days rather than all at once. This is very different from many larger rainbowfish searches such as \u003cstrong\u003eboeseman's rainbowfish breeding\u003c\/strong\u003e, \u003cstrong\u003eboesemani rainbowfish breeding\u003c\/strong\u003e, \u003cstrong\u003ehow to breed boesemani rainbowfish\u003c\/strong\u003e, \u003cstrong\u003eboesemani rainbow fish spawning\u003c\/strong\u003e, \u003cstrong\u003eboesemani rainbow fish reproduction\u003c\/strong\u003e, and \u003cstrong\u003eboesemani rainbowfish eggs\u003c\/strong\u003e, though the broad rainbowfish pattern of egg scattering is shared.\u003c\/p\u003e\n\u003cp\u003eEggs usually hatch in about 7-10 days depending on temperature. Remove eggs or spawning mops if adults are likely to eat them. Newly hatched fry are tiny and need infusoria, liquid fry food, or other microscopic first foods before moving onto baby brine shrimp.\u003c\/p\u003e\n\u003ch3\u003eFry Care\u003c\/h3\u003e\n\u003cp\u003eKeep fry in immaculate water with gentle aeration and tiny frequent meals. Growth is steady but not rapid. The biggest challenge is food size during the first days. This is why some aquarists ask broader questions like \u003cstrong\u003eare boesemani rainbow fish easy to breed\u003c\/strong\u003e or search for \u003cstrong\u003eboesemani rainbow fish baby\u003c\/strong\u003e care; the real answer for Threadfins is that fry are small and need attention, but adults spawn readily when comfortable.\u003c\/p\u003e\n\u003cdiv class=\"tip-box\"\u003e\n  \u003ch4\u003eAdvanced Breeding Tip\u003c\/h4\u003e\n  \u003cp\u003eRotate two or three spawning mops and collect eggs daily instead of leaving them with the adults. This method greatly improves yield, reduces fungus losses, and lets you hatch batches separately so fry sizes remain more even.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003ch2 id=\"comparison\"\u003eThreadfin Rainbowfish vs Similar Species: Which Should You Choose?\u003c\/h2\u003e\n\u003cp\u003eChoosing between rainbowfish species matters because they can look similar in photos while needing very different aquariums. Threadfins are best for aquarists who want a refined planted display with gentle movement. Larger rainbowfish are often hardier and bolder, but they lose the delicate fin elegance that makes this species special.\u003c\/p\u003e\n\u003ctable class=\"comparison-table\"\u003e\n  \u003cthead\u003e\n    \u003ctr\u003e\n\u003cth\u003eFeature\u003c\/th\u003e\n\u003cth\u003eThreadfin Rainbowfish\u003c\/th\u003e\n\u003cth\u003eRed Boesemani Rainbowfish\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 cm\u003c\/td\u003e\n\u003ctd\u003e10-12 cm\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eCare Level\u003c\/td\u003e\n\u003ctd\u003eModerate\u003c\/td\u003e\n\u003ctd\u003eModerate\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eTemperature\u003c\/td\u003e\n\u003ctd\u003e24-30°C\u003c\/td\u003e\n\u003ctd\u003e24-28°C\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003ePrice\u003c\/td\u003e\n\u003ctd\u003e£88.7\u003c\/td\u003e\n\u003ctd\u003eVaries by size and strain\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eBest For\u003c\/td\u003e\n\u003ctd\u003ePeaceful planted communities\u003c\/td\u003e\n\u003ctd\u003eLarger active rainbowfish tanks\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003eIf you are comparing this species with larger rainbowfish, searches like \u003cstrong\u003eboesemani rainbow fish ideal temperature\u003c\/strong\u003e, \u003cstrong\u003eboesemani rainbow fish tank temperature\u003c\/strong\u003e, \u003cstrong\u003eboesemani rainbow fish temperature range\u003c\/strong\u003e, and \u003cstrong\u003eboesemani rainbowfish temperature\u003c\/strong\u003e are useful for those fish, but not directly interchangeable with Threadfins. Boesemani need more swimming space and tolerate a busier setup. Threadfins need gentler companions and more visual shelter.\u003c\/p\u003e\n\u003ctable class=\"comparison-table\"\u003e\n  \u003cthead\u003e\n    \u003ctr\u003e\n\u003cth\u003eFeature\u003c\/th\u003e\n\u003cth\u003eThreadfin Rainbowfish\u003c\/th\u003e\n\u003cth\u003eCelebes Rainbowfish\u003c\/th\u003e\n\u003c\/tr\u003e\n  \u003c\/thead\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n\u003ctd\u003eBody Shape\u003c\/td\u003e\n\u003ctd\u003eFine, delicate, thread-finned\u003c\/td\u003e\n\u003ctd\u003eSlim, angular, sail-finned\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eTemperament\u003c\/td\u003e\n\u003ctd\u003eVery peaceful\u003c\/td\u003e\n\u003ctd\u003ePeaceful but more active\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eBest Tank Style\u003c\/td\u003e\n\u003ctd\u003eDense planted aquarium\u003c\/td\u003e\n\u003ctd\u003eOpen planted community\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eBeginner Suitability\u003c\/td\u003e\n\u003ctd\u003eFor patient keepers\u003c\/td\u003e\n\u003ctd\u003eSlightly easier\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eVisual Appeal\u003c\/td\u003e\n\u003ctd\u003eGraceful finnage and display\u003c\/td\u003e\n\u003ctd\u003eStriking shape and movement\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003eChoose Threadfins if you want subtle beauty, courtship behaviour, and a species that shines in a calm aquascape. Choose \u003ca href=\"\/products\/tropical-fish-uk\"\u003eCelebes Rainbowfish\u003c\/a\u003e or \u003ca href=\"\/products\/tropical-fish-uk\"\u003eRed Boeseman'S Rainbowfish\u003c\/a\u003e if you prefer a more active, robust rainbowfish display. For small planted communities, Threadfins remain one of the true standouts.\u003c\/p\u003e\n\n\u003ch2 id=\"health\"\u003eCommon Health Problems in Threadfin Rainbowfish \u0026amp; How to Prevent Them\u003c\/h2\u003e\n\u003cp\u003eGood \u003cstrong\u003ethreadfin rainbowfish health\u003c\/strong\u003e starts with stability. These fish are not usually difficult once settled, but they react quickly to poor water quality, rough handling, and unsuitable tank mates. A healthy fish holds its fins well, feeds eagerly on small foods, schools calmly, and shows clear eyes and intact finnage.\u003c\/p\u003e\n\u003ch3\u003eCommon Issues\u003c\/h3\u003e\n\u003cp\u003eThe most common \u003cstrong\u003ethreadfin rainbowfish diseases\u003c\/strong\u003e are stress-related bacterial infections, fin damage from nipping, and external parasites such as ich in newly introduced stock. Because they are delicate, even mild chronic stress can lead to clamped fins and faded colour. Broader rainbowfish searches like \u003cstrong\u003eboesemani rainbow fish diseases\u003c\/strong\u003e and \u003cstrong\u003eboesemani rainbowfish care guide\u003c\/strong\u003e often mention similar water-quality problems, but Threadfins are less forgiving of rough conditions.\u003c\/p\u003e\n\u003ch3\u003eTreatment and Prevention\u003c\/h3\u003e\n\u003cp\u003ePrevention is better than treatment. Keep ammonia and nitrite at zero, nitrate low, and avoid sudden parameter swings. Feed a varied micro-sized diet and maintain a proper group size. If disease appears, move affected fish to a calm hospital tank where you can observe feeding and medicate carefully. Strong medications can stress small rainbowfish, so always confirm dosage for delicate species.\u003c\/p\u003e\n\u003cp\u003eQuestions about \u003cstrong\u003eboesemani rainbowfish with cichlids\u003c\/strong\u003e show why prevention matters: unsuitable tank mates often cause the injuries and stress that open the door to disease. Threadfins should not be kept with cichlids except in very rare, carefully managed cases involving only the gentlest species and large aquariums.\u003c\/p\u003e\n\u003cp\u003eFor hobbyists researching \u003cstrong\u003etropical fish care in UK\u003c\/strong\u003e, the key challenge is often indoor seasonal fluctuation. Use a reliable heater, avoid placing the tank near radiators or cold windows, and acclimate new fish slowly. Search terms like \u003cstrong\u003etropical fish for sale near ipswich\u003c\/strong\u003e, \u003cstrong\u003etropical fish for sale near norwich\u003c\/strong\u003e, or even unrelated local intent phrases such as \u003cstrong\u003etropical fish for sale near me richmond va\u003c\/strong\u003e all point to the same buyer concern: healthy stock matters more than convenience.\u003c\/p\u003e\n\u003cdiv class=\"warning-box\"\u003e\n  \u003ch4\u003e⚠️ Health Warning\u003c\/h4\u003e\n  \u003cp\u003eNever use medication casually in a planted community without checking suitability for delicate fish, shrimp, and snails. Copper-based treatments can be lethal to invertebrates and may stress Threadfins if overdosed.\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\u003eObserve feeding response and fin condition daily\u003c\/li\u003e\n    \u003cli\u003eKeep water warm, clean, and gently filtered\u003c\/li\u003e\n    \u003cli\u003eWatch for white spots, clamped fins, flashing, or weight loss\u003c\/li\u003e\n    \u003cli\u003eOnly introduce fish to the display tank once stable and active\u003c\/li\u003e\n  \u003c\/ul\u003e\n\u003c\/div\u003e\n\n\u003ch2 id=\"behavior\"\u003eWhat Is Threadfin Rainbowfish Behaviour Like in the Aquarium?\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eThreadfin rainbowfish behaviour\u003c\/strong\u003e is one of the main reasons aquarists fall in love with this species. They are peaceful, social, and constantly in motion, but not in a frantic way. Instead, they glide through the middle of the tank, pausing to inspect plants and interact with one another. Males display to females and to rival males by flaring their long fins and holding elegant postures.\u003c\/p\u003e\n\u003cp\u003eThis species is naturally schooling, so a group of 6 or more is essential. In too small a group they become shy and lose confidence. In a proper shoal, they show stronger colour, better feeding response, and more natural interaction. This is why \u003cstrong\u003ethreadfin rainbowfish with other fish\u003c\/strong\u003e works best when the rest of the tank is equally calm and the Threadfins still have their own social group.\u003c\/p\u003e\n\u003cp\u003eThey are not ideal for rough beginner mistakes, but many hobbyists still consider \u003cstrong\u003ethreadfin rainbowfish for beginners\u003c\/strong\u003e possible if the tank is fully cycled, well planted, and not overstocked. Their \u003cstrong\u003ethreadfin rainbowfish lifespan\u003c\/strong\u003e of around 5 years is realistic when water quality is stable and stress is low.\u003c\/p\u003e\n\n\u003ch2 id=\"why-buy\"\u003eWhy Buy from Tropical Fish Co?\u003c\/h2\u003e\n\u003cp\u003eWhen people search \u003cstrong\u003etropical fish UK for sale\u003c\/strong\u003e, \u003cstrong\u003etropical fish for sale\u003c\/strong\u003e, \u003cstrong\u003elive fish for sale UK\u003c\/strong\u003e, or the \u003cstrong\u003ebest place to buy tropical fish online UK\u003c\/strong\u003e, they are usually looking for two things: healthy stock and safe delivery. For a delicate species like Threadfin Rainbowfish, those details matter even more than with hardier community fish. These fish are selected for active swimming, intact finnage, and good feeding response before dispatch. Because long fins are part of what makes this species special, condition and packing standards are especially important.\u003c\/p\u003e\n\u003cp\u003eIf you want to \u003cstrong\u003ebuy aquarium fish online UK\u003c\/strong\u003e, \u003cstrong\u003ebuy live fish online UK free delivery\u003c\/strong\u003e, or arrange \u003cstrong\u003eaquarium fish delivery UK\u003c\/strong\u003e, proper preparation is essential. Fish are packed in insulated boxes, with seasonal heat packs in colder weather, and sent using tracked delivery methods designed for live aquatic livestock. This reduces temperature swings and transit stress. Customers who \u003cstrong\u003ebuy tropical fish online UK free delivery\u003c\/strong\u003e often focus on price alone, but with Threadfins, careful packing is what protects those fine fins and delicate bodies.\u003c\/p\u003e\n\u003cp\u003eFor buyers specifically searching \u003cstrong\u003ebuy threadfin rainbowfish UK\u003c\/strong\u003e, \u003cstrong\u003ethreadfin rainbowfish for sale UK\u003c\/strong\u003e, \u003cstrong\u003ethreadfin rainbowfish online UK\u003c\/strong\u003e, \u003cstrong\u003eorder threadfin rainbowfish UK\u003c\/strong\u003e, \u003cstrong\u003ethreadfin rainbowfish delivery UK\u003c\/strong\u003e, \u003cstrong\u003ewhere to buy threadfin rainbowfish UK\u003c\/strong\u003e, or \u003cstrong\u003ethreadfin rainbowfish shop UK\u003c\/strong\u003e, this listing is built to answer the practical care questions before the fish arrive. That means clearer expectations, better acclimation, and stronger long-term results. If you are comparing \u003cstrong\u003ethreadfin rainbowfish price UK\u003c\/strong\u003e or even searching \u003cstrong\u003echeap threadfin rainbowfish UK\u003c\/strong\u003e, remember that healthy, settled fish usually save money compared with replacing stressed stock.\u003c\/p\u003e\n\u003cp\u003eMany customers also ask about \u003cstrong\u003eaquarium and fish for sale near me\u003c\/strong\u003e. Local collection can be convenient, but specialist online supply gives access to species that are not always available in nearby shops. The aim is simple: healthy fish, honest care information, and a species-specific approach rather than generic rainbowfish advice.\u003c\/p\u003e\n\u003cdiv class=\"care-highlight\"\u003e\n  \u003ch4\u003eWhy Choose Tropical Fish Co for Threadfin Rainbowfish\u003c\/h4\u003e\n  \u003cul\u003e\n    \u003cli\u003eSelected for finnage quality and active behaviour, which matters greatly with Featherfin Rainbowfish\u003c\/li\u003e\n    \u003cli\u003ePacked for delicate live fish transport with insulation and seasonal heat support\u003c\/li\u003e\n    \u003cli\u003eCare guidance focused on small peaceful rainbowfish, not just generic community fish advice\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\u003eTo build a calm rainbowfish display, consider adding \u003ca href=\"\/products\/tropical-fish-uk\"\u003ePacific Blue-Eye\u003c\/a\u003e for a lively but gentle upper-level companion, or \u003ca href=\"\/products\/tropical-fish-uk\"\u003ePaska'S Blue-Eye\u003c\/a\u003e for another small species suited to planted aquariums. If you want a contrasting rainbowfish shape, \u003ca href=\"\/products\/tropical-fish-uk\"\u003eCelebes Rainbowfish\u003c\/a\u003e is a striking option for larger peaceful communities. For keepers planning a broader rainbowfish collection, \u003ca href=\"\/products\/tropical-fish-uk\"\u003eDwarf Rainbowfish\u003c\/a\u003e and \u003ca href=\"\/products\/tropical-fish-uk\"\u003eLake Kutubu Rainbowfish\u003c\/a\u003e are worth comparing. You can also browse our wider \u003ca href=\"\/products\/tropical-fish-uk\"\u003etropical fish UK collection\u003c\/a\u003e to find compatible community species and additional rainbowfish choices.\u003c\/p\u003e","brand":"Tropical Fish Co","offers":[{"title":"2 - 2,5cm","offer_id":57469612851535,"sku":"5035","price":5.21,"currency_code":"GBP","in_stock":true},{"title":"2,5 - 3 cm","offer_id":57470147952975,"sku":"5039","price":11.3,"currency_code":"GBP","in_stock":true},{"title":"M 5-6 cm \/ F 3-4 cm","offer_id":57560855970127,"sku":"5040","price":8.99,"currency_code":"GBP","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1007\/1408\/6735\/files\/tropical-fish-uk-x-threadfin-rainbowfish-featherfin-rainbowfish-iriather-hero-driftwood-5035.webp?v=1776546345","url":"https:\/\/tropical-fish-co.myshopify.com\/products\/threadfin-rainbowfish-featherfin-iriatherina-werneri-tropical-fish-uk","provider":"Tropical Fish Co","version":"1.0","type":"link"}