{"product_id":"halfmoon-betta-siamese-fighting-fish-uk","title":"Butterfly Halfmoon Betta — Halfmoon Butterfly Betta Male - UK","description":"\u003cp\u003eThe \u003cstrong\u003eHalfmoon Butterfly Betta Male\u003c\/strong\u003e is one of the most eye-catching forms of \u003cem\u003eBetta splendens\u003c\/em\u003e, prized for its dramatic 180-degree tail spread, crisp butterfly patterning, and confident top-level swimming style. For most keepers, the single biggest factor in long-term success is \u003cstrong\u003ebetta fish temperature\u003c\/strong\u003e. These fish are tropical labyrinth fish from Southeast Asia, and stable warmth matters just as much as food or filtration. A healthy male usually reaches around 7 cm, can live up to 3 years with excellent care, and suits aquarists looking for a striking centrepiece fish with manageable \u003cstrong\u003ebetta fish care\u003c\/strong\u003e needs. If you are planning your first \u003cstrong\u003ebetta fish tank setup\u003c\/strong\u003e, or upgrading from a bowl to a proper heated aquarium, this variety rewards good husbandry with stronger colour, better finnage, and more active behaviour.\u003c\/p\u003e\n\u003cp\u003eBecause this is a long-finned male, details such as \u003cstrong\u003ebetta fish water temperature\u003c\/strong\u003e, low current, resting places near the surface, and the right \u003cstrong\u003ebetta fish tank size\u003c\/strong\u003e make a visible difference. The ideal \u003cstrong\u003ebetta fish aquarium requirements\u003c\/strong\u003e include warm water, gentle filtration, a secure lid, and easy access to the surface for air breathing. See our detailed photos showing the contrast in the fins and body patterning in \u003cstrong\u003ebetta-fish-temperature.webp\u003c\/strong\u003e; they also help you judge tail shape, colour balance, and overall condition before purchase. If you want a show fish that combines bold personality, elegant finnage, and suitability for a carefully planned nano display, this Halfmoon Butterfly Betta is an excellent choice.\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\u003eBetta splendens\u003c\/em\u003e\n\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eCare Level:\u003c\/strong\u003e Easy\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eMin Tank Size:\u003c\/strong\u003e 20 litres (about 5.3 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 6.0-7.5\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eLifespan:\u003c\/strong\u003e Up to 3 years\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eTemperament:\u003c\/strong\u003e Aggressive, territorial males\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eDiet:\u003c\/strong\u003e Carnivore\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 Anabantiformes\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eFamily:\u003c\/strong\u003e Osphronemidae\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eGenus:\u003c\/strong\u003e \u003cem\u003eBetta\u003c\/em\u003e\n\u003c\/li\u003e\n  \u003c\/ul\u003e\n  \u003cp\u003e\u003cem\u003eBetta splendens\u003c\/em\u003e belongs to the labyrinth fish group, meaning it can breathe atmospheric air using a specialised labyrinth organ. In the aquarium hobby, selective breeding has produced many tail types and colour forms, with the Halfmoon among the most sought-after. The butterfly pattern adds a clean edge contrast to the fins, making this male especially desirable for display aquariums and collectors comparing Halfmoon, veiltail, double tail, koi, and super red strains.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003ch2 id=\"origin\"\u003eWhere Do Halfmoon Butterfly Bettas Come From? Natural Habitat Explained\u003c\/h2\u003e\n\u003cp\u003eDomestic bettas trace their origin to Thailand and wider Southeast Asia, where wild ancestors inhabit slow-moving waters such as shallow floodplains, rice paddies, canals, marshes, and vegetated ditches. Understanding \u003cstrong\u003ebetta fish habitat\u003c\/strong\u003e helps explain why they do best in calm, warm aquariums rather than fast-flowing community tanks. In nature, the \u003cstrong\u003ebetta fish habitat temperature\u003c\/strong\u003e is typically tropical and stable, with dense plant cover, leaf litter, and low to moderate mineral content. That is why a thoughtful \u003cstrong\u003ebetta fish tank habitat\u003c\/strong\u003e should focus on warmth, cover, and surface access rather than excessive current.\u003c\/p\u003e\n\u003cp\u003eA proper \u003cstrong\u003ebetta fish tank ecosystem\u003c\/strong\u003e mimics these conditions with broad-leaved plants, floating cover, and gentle open swimming space near the top. Many keepers ask, \u003cstrong\u003eare betta fish pond fish\u003c\/strong\u003e? In the UK, the answer is no for outdoor ponds except in very temporary, controlled summer conditions, because they are not cold-water fish and cannot tolerate prolonged drops in temperature. Good \u003cstrong\u003ebetta fish care temperature\u003c\/strong\u003e management is essential year-round, especially during cooler months.\u003c\/p\u003e\n\u003cp\u003eWild bettas feed on insect larvae, small crustaceans, and other meaty prey, which explains their protein-rich \u003cstrong\u003ebetta fish diet\u003c\/strong\u003e in aquariums. Their body shape, upturned mouth, and top-dwelling behaviour all suit feeding from the water surface. A natural-style aquarium can be very effective, and many hobbyists enjoy a \u003cstrong\u003ebetta fish tank natural\u003c\/strong\u003e look with wood, almond leaves, and live plants. A \u003cstrong\u003ehalfmoon betta in planted tank\u003c\/strong\u003e often shows calmer behaviour and richer colour because the fish feels secure.\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, appetite, and confidence. In practice, that means warm water, low flow, shaded areas, and plants that create visual barriers. Bettas that can rest near the surface and retreat behind leaves usually flare less from stress and feed more consistently.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003ch2 id=\"tank-setup\"\u003eHow Do You Set Up the Perfect Tank for a Halfmoon Butterfly Betta?\u003c\/h2\u003e\n\u003cp\u003eThe best \u003cstrong\u003ebetta fish tank setup\u003c\/strong\u003e starts with stability, not decoration. Although this species is often sold for bowls, the true \u003cstrong\u003ebetta fish minimum tank size\u003c\/strong\u003e for a male is 20 litres, and many keepers get better results in 25-40 litres. If you are asking \u003cstrong\u003ewhat size betta fish tank\u003c\/strong\u003e works best, think beyond survival. A larger volume keeps temperature and water chemistry more stable, gives room for planting, and makes maintenance easier. In practical terms, the \u003cstrong\u003ebetta fish tank size minimum\u003c\/strong\u003e should be 20 litres, while the ideal \u003cstrong\u003ebetta fish tank size requirement\u003c\/strong\u003e for a show Halfmoon is often 30 litres or more.\u003c\/p\u003e\n\u003ch3\u003eTank size requirements\u003c\/h3\u003e\n\u003cp\u003eFor a display male, a 20-litre aquarium is the baseline, but 25-30 litres gives more consistent water quality and more room for a proper \u003cstrong\u003ebetta fish nano tank setup\u003c\/strong\u003e. Long-finned males do not need huge tanks, but they do need enough footprint to patrol, explore, and avoid constant visual stress. A bowl cannot provide stable \u003cstrong\u003ebetta fish bowl temperature\u003c\/strong\u003e or safe filtration, and \u003cstrong\u003ebetta fish bowl water temperature\u003c\/strong\u003e fluctuates too quickly in normal homes. That is one reason a heated, filtered aquarium is strongly preferred over keeping a \u003cstrong\u003ebetta fish at room temperature\u003c\/strong\u003e.\u003c\/p\u003e\n\u003ch3\u003eWater parameters\u003c\/h3\u003e\n\u003cp\u003eThe recommended \u003cstrong\u003ebetta fish temperature range\u003c\/strong\u003e is 24-30°C, with 25-27°C being a very reliable day-to-day target for most males. If customers ask \u003cstrong\u003ewhat temperature should betta fish tank be\u003c\/strong\u003e, the short answer is 26°C for routine care. The \u003cstrong\u003ebetta fish best temperature\u003c\/strong\u003e for appetite, immunity, and activity is usually around 26°C, while the \u003cstrong\u003ebetta fish preferred temperature\u003c\/strong\u003e and \u003cstrong\u003ebetta fish preferred water temperature\u003c\/strong\u003e sit in that same warm tropical zone. In other words, the safest \u003cstrong\u003etemperature for betta fish in celsius\u003c\/strong\u003e is normally 25-27°C. Keep pH between 6.0 and 7.5, and hardness around 2-15 dGH. These are sensible \u003cstrong\u003ebetta fish water parameters\u003c\/strong\u003e for captive-bred stock in the UK.\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\"\u003eWater Temperature\u003c\/div\u003e\n  \u003c\/div\u003e\n  \u003cdiv class=\"spec-card\"\u003e\n    \u003cdiv class=\"spec-value\"\u003e6.0-7.5\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\"\u003e20L+\u003c\/div\u003e\n    \u003cdiv class=\"spec-label\"\u003eMinimum Tank\u003c\/div\u003e\n  \u003c\/div\u003e\n\u003c\/div\u003e\n\u003cp\u003eMany beginners worry about \u003cstrong\u003ebetta fish temperature in winter\u003c\/strong\u003e. In the UK, room temperatures often fall below the safe range, so a reliable \u003cstrong\u003ebetta fish heater\u003c\/strong\u003e is not optional. Use a guard if needed and pair it with a thermometer. The correct \u003cstrong\u003ebetta fish heater temperature\u003c\/strong\u003e setting is usually 25-26°C. If you are comparing \u003cstrong\u003ebetta fish temperature celsius\u003c\/strong\u003e guides online, avoid extremes and focus on consistency. Sudden swings can cause \u003cstrong\u003ebetta fish temperature shock\u003c\/strong\u003e, even when the final temperature is technically acceptable.\u003c\/p\u003e\n\u003ch3\u003eFiltration and flow\u003c\/h3\u003e\n\u003cp\u003eA sponge filter or low-flow internal filter works best. Halfmoon males have large fins, so strong current causes fatigue and can reduce feeding response. A calm surface is ideal, but there should still be enough movement to maintain oxygen exchange. If you are building a beginner-friendly setup, combine a small sponge filter with a dependable \u003cstrong\u003ebetta fish water heater\u003c\/strong\u003e for steady conditions.\u003c\/p\u003e\n\u003ch3\u003eSubstrate, plants, and decor\u003c\/h3\u003e\n\u003cp\u003eDark sand or fine gravel helps the fish feel secure and makes the butterfly pattern stand out. For a planted display, use broad-leaved species and floating cover. Bettas love resting on leaves and under shade. A \u003cstrong\u003ebetta fish with live plants\u003c\/strong\u003e layout is often easier to maintain than people expect, and it supports a healthier micro-ecosystem. You can also take inspiration from \u003cstrong\u003ehalfmoon betta tank ideas\u003c\/strong\u003e that combine driftwood, Indian almond leaves, and soft planting.\u003c\/p\u003e\n\u003cp\u003eFor related betta varieties, compare this fish with the \u003ca href=\"\/products\/betta-fish-temperature\"\u003eStunning Halfmoon Male Splend Beautiful Betta\u003c\/a\u003e, the \u003ca href=\"\/products\/betta-fish-temperature\"\u003eSTUNNING SUPER RED HALFMOON BETTA Male\u003c\/a\u003e, the \u003ca href=\"\/products\/betta-fish-temperature\"\u003eStunning Half Moon Male Green Betta\u003c\/a\u003e, or the \u003ca href=\"\/products\/betta-fish-temperature\"\u003eStunning Vailtail Green Male Betta Splend\u003c\/a\u003e if you prefer a different tail type or colour profile.\u003c\/p\u003e\n\u003cdiv class=\"info-box\"\u003e\n  \u003ch4\u003eQuick Setup Checklist\u003c\/h4\u003e\n  \u003cul\u003e\n    \u003cli\u003eTank of at least 20 litres, ideally 25-30 litres\u003c\/li\u003e\n    \u003cli\u003eHeater set to 25-26°C\u003c\/li\u003e\n    \u003cli\u003eGentle filter with low flow\u003c\/li\u003e\n    \u003cli\u003eLid to prevent jumping and reduce heat loss\u003c\/li\u003e\n    \u003cli\u003eLive or silk plants with resting leaves near surface\u003c\/li\u003e\n    \u003cli\u003eFully cycled tank 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 a betta. Stable biological filtration matters more than fancy decoration. A mature tank keeps ammonia and nitrite at zero, which protects delicate fins and supports long-term betta fish health.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003ch2 id=\"feeding\"\u003eWhat Does a Halfmoon Butterfly Betta Eat? Complete Feeding Guide\u003c\/h2\u003e\n\u003cp\u003eThe correct \u003cstrong\u003ebetta fish diet\u003c\/strong\u003e is carnivorous and protein-focused. In the wild, bettas hunt insect larvae and tiny invertebrates, so their digestive system is built for meaty foods rather than plant-heavy flakes. A good staple is high-quality \u003cstrong\u003esiamese fighting fish food\u003c\/strong\u003e in small floating pellets designed for bettas. These should be the core of the daily diet, supported by frozen or live treats such as bloodworms, brine shrimp, and daphnia.\u003c\/p\u003e\n\u003ch3\u003eStaple foods\u003c\/h3\u003e\n\u003cp\u003eFeed 2 small meals per day, offering only what the fish can eat in around 30-60 seconds. For most adult males, that means 2-4 small pellets in the morning and 2-4 in the evening, depending on pellet size. This avoids bloating and keeps water quality stable. If you already use a \u003cstrong\u003ebetta fish tank heater temperature\u003c\/strong\u003e around 26°C, digestion is more efficient than in cool water.\u003c\/p\u003e\n\u003ch3\u003eSupplemental foods and treats\u003c\/h3\u003e\n\u003cp\u003eFrozen bloodworms and brine shrimp are excellent 2-3 times per week. Daphnia is useful for variety and can help if a fish seems slightly constipated. During conditioning for \u003cstrong\u003ebetta fish breeding\u003c\/strong\u003e, richer foods can improve body condition, but avoid overdoing it. Keepers searching for \u003cstrong\u003efemale betta fish diet\u003c\/strong\u003e, \u003cstrong\u003ewhat do female betta fish eat\u003c\/strong\u003e, or \u003cstrong\u003ewhat to feed female betta fish\u003c\/strong\u003e can follow a similar protein-based approach, though this listing is for a male.\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\u003eBetta pellets\u003c\/td\u003e\n\u003ctd\u003e2-4 small pellets\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eEvening\u003c\/td\u003e\n\u003ctd\u003eBetta pellets or frozen food\u003c\/td\u003e\n\u003ctd\u003e2-4 pellets or a small pinch\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003eQuestions about heating often come up during feeding because cold fish eat poorly. A stable \u003cstrong\u003ebetta fish temperature heater\u003c\/strong\u003e setup supports appetite, while low temperatures slow digestion. That is why owners asking \u003cstrong\u003ehow to heat a betta tank without a heater\u003c\/strong\u003e should know there is no reliable substitute in a typical UK home. Likewise, a \u003cstrong\u003emini heater for fish bowl\u003c\/strong\u003e is not a real solution if the bowl itself is too small to hold stable conditions. Avoid searches like \u003cstrong\u003ebetta fish heater walmart\u003c\/strong\u003e or \u003cstrong\u003ebetta fish heater 1 gallon\u003c\/strong\u003e as a care standard; focus on the right aquarium and the right heater, not the smallest possible container.\u003c\/p\u003e\n\u003cdiv class=\"food-recommendation\"\u003e\n  \u003ca href=\"\/products\/betta-fish-temperature\"\u003eStunning Halfmoon Female Betta Splend Beautiful\u003c\/a\u003e — Useful as a comparison if you are planning a separate breeding project and want to understand size, finnage, and feeding differences between male and female stock.\n\u003c\/div\u003e\n\u003cdiv class=\"food-recommendation\"\u003e\n  \u003ca href=\"\/products\/betta-fish-temperature\"\u003eFemale Super Delta Top Grade\u003c\/a\u003e — Another related betta option to compare body shape and conditioning needs when researching varied siamese fighting fish food routines.\n\u003c\/div\u003e\n\u003cdiv class=\"warning-box\"\u003e\n  \u003ch4\u003e⚠️ Feeding Warning\u003c\/h4\u003e\n  \u003cp\u003eOverfeeding is one of the fastest ways to foul a betta tank. Uneaten food raises ammonia, stresses the fish, and can trigger fin problems. A slightly hungry betta is safer than a constantly overfed one.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003ch2 id=\"appearance\"\u003eWhat Does a Halfmoon Butterfly Betta Look Like? Colors, Patterns \u0026amp; Varieties\u003c\/h2\u003e\n\u003cp\u003eThis fish combines two highly desirable traits: the broad Halfmoon tail and the butterfly colour pattern. A quality male opens the caudal fin close to 180 degrees when flaring, creating a near semicircle. The butterfly pattern usually shows a stronger body colour with a contrasting lighter or translucent band toward the outer fins. If you are researching \u003cstrong\u003ebetta fish color\u003c\/strong\u003e, this is one of the most visually dramatic combinations available in the hobby.\u003c\/p\u003e\n\u003cp\u003eAdult size is usually around 6-7 cm body length, though the finnage makes the fish appear larger. The body is streamlined, the mouth is slightly upturned, and the finnage is intentionally exaggerated through selective breeding. Good lighting and dark substrate can increase contrast, while a calm, planted setup helps prevent fin wear. Many keepers searching \u003cstrong\u003erainbow betta fish\u003c\/strong\u003e are really looking for multicolour or iridescent strains; butterfly bettas offer a cleaner, more defined pattern rather than a random rainbow mix.\u003c\/p\u003e\n\u003cp\u003eSexing is usually straightforward. Males have longer fins, stronger displays, and more intense territorial behaviour. If you are wondering \u003cstrong\u003ewhat color are female betta fish\u003c\/strong\u003e, females can also be colourful, but they are usually shorter-finned and less dramatic in profile. Related forms worth comparing include the \u003ca href=\"\/products\/betta-fish-temperature\"\u003eSTUNNING Double Tail Male SPLEND BEAUTIFUL FISH\u003c\/a\u003e and the \u003ca href=\"\/products\/betta-fish-temperature\"\u003eSTUNNING KOI NEMO BETTA Male Betta\u003c\/a\u003e, which offer very different visual styles.\u003c\/p\u003e\n\u003cp\u003eSome hobbyists compare this fish with searches like \u003cstrong\u003eveiltail betta fish water temperature\u003c\/strong\u003e, but tail type does not change the basic thermal needs very much. The key difference is that long-finned Halfmoons often need even calmer water than shorter-finned forms. If you have seen discussions such as \u003cstrong\u003ebetta fish temperature reddit\u003c\/strong\u003e, remember that anecdotal advice varies widely; stable tropical warmth is more dependable than forum myths.\u003c\/p\u003e\n\n\u003ch2 id=\"compatibility\"\u003eWhat Fish Can Live With a Halfmoon Butterfly Betta? Compatibility Guide\u003c\/h2\u003e\n\u003cp\u003eA male Halfmoon Butterfly Betta is best treated as a territorial centrepiece fish. A proper \u003cstrong\u003ebetta fish community tank guide\u003c\/strong\u003e starts with that reality. These males should never be kept with other male bettas, and they may react badly to fish with flowing fins, bright colours, or fin-nipping habits. When customers ask \u003cstrong\u003ewhat are betta fish tank mates\u003c\/strong\u003e, the answer is not “anything peaceful.” Tank mate choice depends on tank size, layout, and the individual fish’s temperament.\u003c\/p\u003e\n\u003ch3\u003eIdeal tank mates\u003c\/h3\u003e\n\u003cp\u003eIn larger, well-structured aquariums, suitable \u003cstrong\u003epeaceful tank mates for betta\u003c\/strong\u003e can include small Corydoras species, Kuhli loaches, some snails, and shrimp with caution. Bettas often ignore bottom-dwellers because they occupy different levels. For a solo display in 20-30 litres, a snail is often the safest companion. In a bigger setup, think carefully about \u003cstrong\u003ebetta fish tank mates 10 gallon\u003c\/strong\u003e versus \u003cstrong\u003ebetta fish tank mates 15 gallon\u003c\/strong\u003e; the extra space in a 15-gallon aquarium gives far more room for visual separation and reduces stress.\u003c\/p\u003e\n\u003cp\u003eThis fish is not the best choice for a busy mixed tank with guppies, tiger barbs, or other fin nippers. Those species either provoke aggression or damage the long fins. If you are specifically researching \u003cstrong\u003ehalfmoon betta tank mates\u003c\/strong\u003e, choose calm, non-flashy species and provide heavy planting. A \u003cstrong\u003ehalfmoon betta in planted tank\u003c\/strong\u003e setup with line-of-sight breaks gives the best chance of success.\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\u003eCorydoras\u003c\/td\u003e\n      \u003ctd\u003e✅ Yes\u003c\/td\u003e\n      \u003ctd\u003ePeaceful bottom dwellers; best in larger tanks with soft flow\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eKuhli Loach\u003c\/td\u003e\n      \u003ctd\u003e✅ Yes\u003c\/td\u003e\n      \u003ctd\u003eShy and bottom-oriented; provide hiding spots\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eShrimp\u003c\/td\u003e\n      \u003ctd\u003e⚠️ Caution\u003c\/td\u003e\n      \u003ctd\u003eSome bettas ignore them; others hunt them\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eSnails\u003c\/td\u003e\n      \u003ctd\u003e✅ Yes\u003c\/td\u003e\n      \u003ctd\u003eUsually safe and useful for cleanup\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eOther male bettas\u003c\/td\u003e\n      \u003ctd\u003e❌ Avoid\u003c\/td\u003e\n      \u003ctd\u003eHigh risk of serious fighting\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eGuppies (males)\u003c\/td\u003e\n      \u003ctd\u003e❌ Avoid\u003c\/td\u003e\n      \u003ctd\u003eFlowing fins can trigger aggression\u003c\/td\u003e\n    \u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003eMany compatibility searches focus on females: \u003cstrong\u003ewhat can female betta fish live with\u003c\/strong\u003e, \u003cstrong\u003ewhat fish are compatible with female betta fish\u003c\/strong\u003e, and whether \u003cstrong\u003e2 female betta fish live together\u003c\/strong\u003e. Female groups are a separate topic from male care. While some keepers attempt sororities, success requires space, numbers, and experience. Questions like \u003cstrong\u003e2 female betta fish together\u003c\/strong\u003e, \u003cstrong\u003e3 female betta fish together\u003c\/strong\u003e, \u003cstrong\u003eare female betta fish aggressive\u003c\/strong\u003e, \u003cstrong\u003eare female betta fish aggressive to other fish\u003c\/strong\u003e, \u003cstrong\u003eare female betta fish less aggressive\u003c\/strong\u003e, \u003cstrong\u003eare female betta fish less aggressive than males\u003c\/strong\u003e, \u003cstrong\u003eare female betta fish more aggressive\u003c\/strong\u003e, \u003cstrong\u003eare female betta fish more aggressive than males\u003c\/strong\u003e, \u003cstrong\u003eare female betta fish social\u003c\/strong\u003e, and \u003cstrong\u003eare female betta fish territorial\u003c\/strong\u003e all point to the same truth: females can also be aggressive, and sororities are not beginner projects.\u003c\/p\u003e\n\u003cp\u003eIf you want to compare male and female options, see the \u003ca href=\"\/products\/betta-fish-temperature\"\u003eStunning Halfmoon Female Betta Splend Beautiful\u003c\/a\u003e or the \u003ca href=\"\/products\/betta-fish-temperature\"\u003eFemale Super Delta Top Grade\u003c\/a\u003e. If you are choosing a male for a species-only display, the \u003ca href=\"\/products\/betta-fish-temperature\"\u003eStunning Halfmoon Male Splend Beautiful Betta\u003c\/a\u003e and \u003ca href=\"\/products\/betta-fish-temperature\"\u003eSTUNNING SUPER RED HALFMOON BETTA Male\u003c\/a\u003e are useful alternatives to compare.\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 betta setup. This protects your display fish from parasites and gives you time to assess whether a potential companion is calm enough for a territorial male.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003ch2 id=\"breeding\"\u003eHow Do You Breed Halfmoon Bettas? Complete Breeding Guide\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eBetta fish breeding\u003c\/strong\u003e is moderate in difficulty and should only be attempted with conditioned, healthy fish and a clear plan for raising fry. This listing is for a male, but breeding requires a compatible female and separate conditioning tanks. The ideal \u003cstrong\u003ebetta fish temperature for breeding\u003c\/strong\u003e is usually around 27-28°C, and the \u003cstrong\u003ebetta fish breeding water temperature\u003c\/strong\u003e should be stable, not fluctuating. A shallow breeding tank with a lid, gentle heating, and minimal current works best.\u003c\/p\u003e\n\u003ch3\u003eBreeding setup\u003c\/h3\u003e\n\u003cp\u003eA 20-30 litre breeding tank is suitable, filled shallowly to help the male manage the bubble nest and retrieve eggs. The \u003cstrong\u003emale betta fish temperature\u003c\/strong\u003e and \u003cstrong\u003emale betta fish water temperature\u003c\/strong\u003e should be kept stable before spawning. The female should also be conditioned well; searches for \u003cstrong\u003efemale betta fish care\u003c\/strong\u003e, \u003cstrong\u003efemale betta fish care guide\u003c\/strong\u003e, \u003cstrong\u003efemale betta fish guide\u003c\/strong\u003e, \u003cstrong\u003efemale betta fish requirements\u003c\/strong\u003e, \u003cstrong\u003efemale betta fish tank setup\u003c\/strong\u003e, \u003cstrong\u003efemale betta fish tank size\u003c\/strong\u003e, and \u003cstrong\u003efemale betta fish temperature\u003c\/strong\u003e all matter when preparing broodstock.\u003c\/p\u003e\n\u003ch3\u003eSpawning behaviour\u003c\/h3\u003e\n\u003cp\u003eThe male builds a bubble nest at the surface, often under floating leaves or a small piece of cover. A receptive female may show \u003cstrong\u003efemale betta fish breeding stripes\u003c\/strong\u003e and a rounded body. If you are wondering \u003cstrong\u003efemale betta fish how to tell\u003c\/strong\u003e when she is ready, look for vertical barring, interest in the male, and visible ovipositor. The pair embraces under the nest, and the male collects and places the eggs.\u003c\/p\u003e\n\u003ch3\u003eEgg care and fry care\u003c\/h3\u003e\n\u003cp\u003eAfter spawning, remove the female. The male tends the nest until hatching. The correct \u003cstrong\u003ebetta fish fry temperature\u003c\/strong\u003e remains warm and stable, usually around 27-28°C, with a humid air layer under the lid to support labyrinth organ development. Once fry become free-swimming, remove the male and begin feeding infusoria, then microworms or newly hatched brine shrimp. The \u003cstrong\u003ebetta fish breeding temperature\u003c\/strong\u003e should never swing sharply during this stage.\u003c\/p\u003e\n\u003cp\u003eQuestions such as \u003cstrong\u003efemale betta fish size for breeding\u003c\/strong\u003e and \u003cstrong\u003ewhy do female betta fish eat their eggs\u003c\/strong\u003e usually come down to readiness, stress, or poor pairing. Use mature fish, condition them well, and avoid rushing the process.\u003c\/p\u003e\n\u003cdiv class=\"tip-box\"\u003e\n  \u003ch4\u003eAdvanced Breeding Tip\u003c\/h4\u003e\n  \u003cp\u003eCondition both fish for 10-14 days with small, frequent protein-rich meals before introduction. Use floating plants or almond leaf cover to anchor the bubble nest, and keep the breeding tank shallow to improve egg recovery and early fry survival.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003ch2 id=\"comparison\"\u003eHow Does the Halfmoon Butterfly Betta Compare With Similar Bettas?\u003c\/h2\u003e\n\u003cp\u003eChoosing between betta varieties often comes down to tail shape, colour preference, and how much finnage you want to manage. The Halfmoon Butterfly Betta is ideal for keepers who want a dramatic display fish with crisp fin edging and elegant movement. Compared with shorter-finned forms, it is more ornamental but may need calmer flow and extra attention to fin condition.\u003c\/p\u003e\n\u003ctable class=\"comparison-table\"\u003e\n  \u003cthead\u003e\n    \u003ctr\u003e\n\u003cth\u003eFeature\u003c\/th\u003e\n\u003cth\u003eHalfmoon Butterfly Betta Male\u003c\/th\u003e\n\u003cth\u003eVeiltail Male Betta\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\u003eAbout 7 cm\u003c\/td\u003e\n\u003ctd\u003eAbout 6-7 cm\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eCare Level\u003c\/td\u003e\n\u003ctd\u003eEasy\u003c\/td\u003e\n\u003ctd\u003eEasy\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\u003e24-30°C\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003ePrice\u003c\/td\u003e\n\u003ctd\u003e£23.22\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\u003eShow display and planted nano tanks\u003c\/td\u003e\n\u003ctd\u003eBeginner-friendly classic betta look\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ctable class=\"comparison-table\"\u003e\n  \u003cthead\u003e\n    \u003ctr\u003e\n\u003cth\u003eFeature\u003c\/th\u003e\n\u003cth\u003eHalfmoon Butterfly Betta Male\u003c\/th\u003e\n\u003cth\u003eKoi Nemo Betta Male\u003c\/th\u003e\n\u003c\/tr\u003e\n  \u003c\/thead\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n\u003ctd\u003ePattern\u003c\/td\u003e\n\u003ctd\u003eDefined butterfly edge\u003c\/td\u003e\n\u003ctd\u003eMarbled, variable koi pattern\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eVisual Style\u003c\/td\u003e\n\u003ctd\u003eElegant and symmetrical\u003c\/td\u003e\n\u003ctd\u003eBold and unpredictable\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eFlow Tolerance\u003c\/td\u003e\n\u003ctd\u003ePrefers very gentle flow\u003c\/td\u003e\n\u003ctd\u003eAlso prefers gentle flow\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eBest For\u003c\/td\u003e\n\u003ctd\u003eKeepers wanting clean fin contrast\u003c\/td\u003e\n\u003ctd\u003eKeepers wanting unique patterning\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003ePrice\u003c\/td\u003e\n\u003ctd\u003e£23.22\u003c\/td\u003e\n\u003ctd\u003eVaries by strain\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003eIf you want a classic long-finned display fish, choose this Halfmoon Butterfly. If you prefer a simpler tail line, compare with the \u003ca href=\"\/products\/betta-fish-temperature\"\u003eStunning Vailtail Green Male Betta Splend\u003c\/a\u003e. If you want a more unusual colour pattern, look at the \u003ca href=\"\/products\/betta-fish-temperature\"\u003eSTUNNING KOI NEMO BETTA Male Betta\u003c\/a\u003e. For a richer solid-colour look, the \u003ca href=\"\/products\/betta-fish-temperature\"\u003eStunning Half Moon Male Green Betta\u003c\/a\u003e or \u003ca href=\"\/products\/betta-fish-temperature\"\u003eSTUNNING SUPER RED HALFMOON BETTA Male\u003c\/a\u003e may suit you better.\u003c\/p\u003e\n\u003cp\u003eWhichever form you choose, the same fundamentals apply: stable \u003cstrong\u003ebetta fish care guide\u003c\/strong\u003e principles, warm water, low current, and a proper heater. If you are still asking \u003cstrong\u003ewhich betta fish temperature is best\u003c\/strong\u003e, the answer remains a stable 25-27°C for routine care.\u003c\/p\u003e\n\n\u003ch2 id=\"health\"\u003eWhat Are the Common Health Problems in Halfmoon Bettas and How Can You Prevent Them?\u003c\/h2\u003e\n\u003cp\u003eStrong \u003cstrong\u003ebetta fish health\u003c\/strong\u003e starts with temperature stability, clean water, and sensible feeding. A healthy male is alert, responsive, interested in food, and able to hold his fins well without clamping. The body should look full but not bloated, the eyes clear, and the scales smooth. Because this is a long-finned strain, torn fins, stress from excessive current, and poor water quality are more common than in short-finned bettas.\u003c\/p\u003e\n\u003ch3\u003eTemperature-related problems\u003c\/h3\u003e\n\u003cp\u003eMany new keepers ask, \u003cstrong\u003eare betta fish sensitive to temperature\u003c\/strong\u003e? Yes, very. They are tropical fish, and prolonged cold suppresses immunity and appetite. If you are wondering \u003cstrong\u003ehow long can betta fish live in cold water\u003c\/strong\u003e, the honest answer is that survival is not the same as thriving. Chilling can quickly lead to lethargy, constipation, and disease. Common \u003cstrong\u003ebetta fish temperature shock symptoms\u003c\/strong\u003e include clamped fins, sudden inactivity, loss of appetite, pale colour, darting, or lying on the bottom. You may also see \u003cstrong\u003ebetta temperature shock symptoms\u003c\/strong\u003e after a rapid water change or transport if the fish is moved too quickly between temperatures.\u003c\/p\u003e\n\u003cp\u003eAnother frequent question is \u003cstrong\u003ebetta fish water temperature too hot\u003c\/strong\u003e. Water above the normal tropical range can speed metabolism, reduce dissolved oxygen, and increase stress. If someone asks about \u003cstrong\u003ebetta 90 degree water\u003c\/strong\u003e, that is too warm for routine care and should be corrected gradually. The \u003cstrong\u003emaximum temperature for betta fish\u003c\/strong\u003e should not be treated as a target. Similarly, \u003cstrong\u003ebetta fish water temperature too hot\u003c\/strong\u003e can cause rapid gill movement and frantic behaviour. If you need to know \u003cstrong\u003ewhich betta fish temperature range\u003c\/strong\u003e is safest, stay in the mid-20s Celsius and avoid sudden swings.\u003c\/p\u003e\n\u003ch3\u003eWater quality and quarantine\u003c\/h3\u003e\n\u003cp\u003ePoor water quality can lead to fin rot, bacterial infections, and stress-related illness. Keep ammonia and nitrite at zero and nitrate low through regular maintenance. A separate \u003cstrong\u003ebetta fish quarantine tank\u003c\/strong\u003e is strongly recommended for observation and treatment. If you are asking \u003cstrong\u003ewhich betta fish temperature should be\u003c\/strong\u003e used in quarantine, match the main tank closely to avoid additional stress. Customers also ask about \u003cstrong\u003espring water for betta fish\u003c\/strong\u003e; unless you know its chemistry, it is safer to use conditioned tap water with a reliable \u003cstrong\u003ebetta fish water conditioner\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cdiv class=\"warning-box\"\u003e\n  \u003ch4\u003e⚠️ Health Warning\u003c\/h4\u003e\n  \u003cp\u003eNever make sudden temperature corrections. If a tank is too cold or too warm, adjust gradually over several hours. Rapid changes can trigger temperature shock even when moving toward the correct range.\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 heated tank for 2-4 weeks\u003c\/li\u003e\n    \u003cli\u003eMatch temperature closely to the main aquarium\u003c\/li\u003e\n    \u003cli\u003eObserve appetite, fins, breathing, and waste daily\u003c\/li\u003e\n    \u003cli\u003eTest ammonia and nitrite regularly\u003c\/li\u003e\n    \u003cli\u003eDo not share nets or siphons between tanks\u003c\/li\u003e\n  \u003c\/ul\u003e\n\u003c\/div\u003e\n\n\u003ch2 id=\"behavior\"\u003eWhat Is Halfmoon Butterfly Betta Behaviour Like in the Aquarium?\u003c\/h2\u003e\n\u003cp\u003eThis fish is intelligent, observant, and strongly aware of its surroundings. Most males patrol the upper half of the tank, inspect new objects, and quickly learn feeding routines. They are solitary by nature, and a male often flares at reflections or nearby fish with similar shape and colour. That display behaviour is normal, but constant stress from mirrors, bright rivals, or poor layout should be avoided.\u003c\/p\u003e\n\u003cp\u003eBecause of the labyrinth organ, bettas regularly visit the surface to breathe. That is why lids, warm air above the waterline, and floating cover matter. A secure, planted setup encourages natural exploration. In a calm aquarium, you will often see the fish rest on leaves, investigate feeding tools, and respond to people outside the glass. This interactive personality is one reason many hobbyists consider them the \u003cstrong\u003ebest betta fish for beginners\u003c\/strong\u003e, provided the keeper understands heating and territorial behaviour.\u003c\/p\u003e\n\u003cp\u003eIf you are researching \u003cstrong\u003ebetta fish optimal conditions\u003c\/strong\u003e or \u003cstrong\u003ehow to take care of a betta fish for beginners\u003c\/strong\u003e, focus on a stable routine: warm water, low current, regular feeding, and weekly maintenance. Bettas are not difficult, but they are less forgiving of neglect than their reputation suggests.\u003c\/p\u003e\n\n\u003ch2 id=\"why-buy\"\u003eWhy Buy from Tropical Fish Co?\u003c\/h2\u003e\n\u003cp\u003eWhen you \u003cstrong\u003ebuy betta fish UK\u003c\/strong\u003e, condition and handling matter more than flashy wording. Our Halfmoon Butterfly Betta males are selected for finnage quality, colour contrast, alert behaviour, and overall body condition. Before dispatch, each fish is checked for posture, feeding response, fin integrity, and obvious signs of stress. This is especially important for long-finned males, where transport quality and pre-shipping condition directly affect how well the fish settles into a new home.\u003c\/p\u003e\n\u003cp\u003eFor customers searching \u003cstrong\u003ebetta fish for sale UK\u003c\/strong\u003e, \u003cstrong\u003ebuy betta fish online UK\u003c\/strong\u003e, \u003cstrong\u003esiamese fighting fish for sale\u003c\/strong\u003e, \u003cstrong\u003ebuy halfmoon betta UK\u003c\/strong\u003e, \u003cstrong\u003ehalfmoon betta for sale UK\u003c\/strong\u003e, \u003cstrong\u003eorder halfmoon betta online UK\u003c\/strong\u003e, \u003cstrong\u003emale betta for sale UK\u003c\/strong\u003e, \u003cstrong\u003elive betta fish for sale UK\u003c\/strong\u003e, or even \u003cstrong\u003efighter fish for sale UK\u003c\/strong\u003e, the key difference is preparation. Fish are packed in insulated boxes with appropriate seasonal protection, including heat packs in winter when needed. Our \u003cstrong\u003ebetta fish delivery UK\u003c\/strong\u003e process is designed to reduce temperature fluctuation and transit stress, which is vital for tropical labyrinth fish.\u003c\/p\u003e\n\u003cp\u003eWe also know that many buyers compare \u003cstrong\u003ehalfmoon betta price UK\u003c\/strong\u003e across listings. Price only makes sense when paired with condition, packing quality, and realistic care advice. A healthy fish that has been fed properly, held at the correct \u003cstrong\u003ebetta fish aquarium water temperature\u003c\/strong\u003e, and shipped with care is far better value than a cheaper fish that arrives stressed. If you need help choosing between strains, compare this fish with the \u003ca href=\"\/products\/betta-fish-temperature\"\u003eStunning Halfmoon Male Splend Beautiful Betta\u003c\/a\u003e, \u003ca href=\"\/products\/betta-fish-temperature\"\u003eSTUNNING SUPER RED HALFMOON BETTA Male\u003c\/a\u003e, \u003ca href=\"\/products\/betta-fish-temperature\"\u003eStunning Half Moon Male Green Betta\u003c\/a\u003e, or the female options linked above for separate setups.\u003c\/p\u003e\n\u003cp\u003eOrder your Halfmoon Butterfly Betta Male today with confidence if you are ready to provide a heated, cycled aquarium and the correct tropical care.\u003c\/p\u003e\n\u003cdiv class=\"care-highlight\"\u003e\n  \u003ch4\u003eWhy Choose Tropical Fish Co for Halfmoon Bettas\u003c\/h4\u003e\n  \u003cul\u003e\n    \u003cli\u003eSelected for tail spread, butterfly contrast, and alert feeding behaviour\u003c\/li\u003e\n    \u003cli\u003ePacked for UK weather with insulation and seasonal heat protection\u003c\/li\u003e\n    \u003cli\u003eIdeal for keepers building a proper heated betta display rather than a bowl setup\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 planning a full display, compare this fish with the \u003ca href=\"\/products\/betta-fish-temperature\"\u003eStunning Halfmoon Female Betta Splend Beautiful\u003c\/a\u003e for separate female projects, the \u003ca href=\"\/products\/betta-fish-temperature\"\u003eSTUNNING KOI NEMO BETTA Male Betta\u003c\/a\u003e for a marbled colour style, or the \u003ca href=\"\/products\/betta-fish-temperature\"\u003eStunning Vailtail Green Male Betta Splend\u003c\/a\u003e if you prefer a classic tail shape. For bolder solid colour, the \u003ca href=\"\/products\/betta-fish-temperature\"\u003eSTUNNING SUPER RED HALFMOON BETTA Male\u003c\/a\u003e is a strong alternative. If your goal is a display collection, the \u003ca href=\"\/products\/betta-fish-temperature\"\u003eSTUNNING Double Tail Male SPLEND BEAUTIFUL FISH\u003c\/a\u003e offers a very different silhouette. These related bettas help you compare finnage, pattern, and how each strain suits your preferred aquascape.\u003c\/p\u003e","brand":"Tropical Fish Co","offers":[{"title":"Default Title","offer_id":57379718725967,"sku":"7319","price":37.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1007\/1408\/6735\/files\/betta-fish-temperature-halfmoon-butterfly-betta-male-hero-driftwood-7319.webp?v=1776545356","url":"https:\/\/tropical-fish-co.myshopify.com\/products\/halfmoon-betta-siamese-fighting-fish-uk","provider":"Tropical Fish Co","version":"1.0","type":"link"}