{"product_id":"serpae-tetras-flame-freshwater-tropical-fish-uk","title":"Serpae Tetras - UK","description":"\u003cp\u003e\u003cstrong\u003eSerpae Tetras\u003c\/strong\u003e are one of the easiest ways to add bold red movement to a tropical aquarium without choosing a large fish. Known as the \u003cstrong\u003eflame tetra\u003c\/strong\u003e, jewel tetra, or red minor tetra, \u003cem\u003eHyphessobrycon eques\u003c\/em\u003e is a compact South American characin with a fiery body, dark shoulder mark, and lively midwater swimming style. Adult \u003cstrong\u003eserpae tetra size\u003c\/strong\u003e is usually around 4 cm, yet a proper \u003cstrong\u003eserpae tetra school\u003c\/strong\u003e creates far more visual impact than many larger species. These are hardy \u003cstrong\u003efreshwater tropical fish UK\u003c\/strong\u003e keepers often choose when they want active colour, visible schooling behaviour, and a species that suits both newer fishkeepers and experienced aquarists.\u003c\/p\u003e\n\u003cp\u003eThis \u003cstrong\u003eserpae tetras care guide\u003c\/strong\u003e covers the questions buyers actually ask: \u003cstrong\u003eare serpae tetras aggressive\u003c\/strong\u003e, what is the right \u003cstrong\u003eserpae tetras tank size\u003c\/strong\u003e, can you keep a \u003cstrong\u003eserpae tetra and neon tetra\u003c\/strong\u003e together, and \u003cstrong\u003ewhat fish go well with serpae tetras\u003c\/strong\u003e? In the right setup, they are durable, eye-catching, and rewarding. In the wrong setup, they can become nippy, especially with slow long-finned fish. That is why a thoughtful \u003cstrong\u003eserpae tetras tank setup\u003c\/strong\u003e, correct \u003cstrong\u003eserpae tetras shoal size\u003c\/strong\u003e, and stable \u003cstrong\u003eserpae tetras water parameters\u003c\/strong\u003e matter so much. See our detailed photos showing body colour, black dorsal fin contrast, and the compact shape that makes these \u003cstrong\u003ecolourful serpae tetras for aquarium\u003c\/strong\u003e displays such a popular choice for planted community tanks.\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\u003eHyphessobrycon eques\u003c\/em\u003e\n\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eCommon Names:\u003c\/strong\u003e Serpae Tetra, Red Minor Tetra, Jewel Tetra, flame tetra\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eCare Level:\u003c\/strong\u003e Moderate-easy\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eMin Tank Size:\u003c\/strong\u003e 60 litres (approx. 13 UK gallons)\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eTemperature:\u003c\/strong\u003e 22-27°C (72-81°F)\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003epH Range:\u003c\/strong\u003e 6.0-8.0\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 Semi-aggressive, active schooling fish\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eDiet:\u003c\/strong\u003e Omnivore - flakes, micro pellets, frozen and 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 Characiformes\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eFamily:\u003c\/strong\u003e Characidae\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eGenus:\u003c\/strong\u003e \u003cem\u003eHyphessobrycon\u003c\/em\u003e\n\u003c\/li\u003e\n  \u003c\/ul\u003e\n  \u003cp\u003e\u003cem\u003eHyphessobrycon eques\u003c\/em\u003e, sometimes seen in older trade references as \u003cem\u003ehyphessobrycon callistus\u003c\/em\u003e, is a classic South American tetra that has been popular in the aquarium hobby for decades. It belongs to the same broad group of small American tetras that includes favourites such as \u003ca href=\"\/products\/glowlight-tetras\"\u003eGlowlight Tetras\u003c\/a\u003e, \u003ca href=\"\/products\/lemon-tetras\"\u003eLemon Tetras\u003c\/a\u003e, and \u003ca href=\"\/products\/black-phantom\"\u003eBlack Phantom Tetras\u003c\/a\u003e. Their long-running popularity comes from their strong colour, manageable adult size, and energetic group behaviour.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003ch2 id=\"origin\"\u003eWhere Do Serpae Tetras Come From? Natural Habitat Explained\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eSerpae Tetras\u003c\/strong\u003e come from South America, with populations associated with the Amazon and Paraguay river systems. In the wild, \u003cstrong\u003eserpae tetras habitat\u003c\/strong\u003e usually includes slower-moving tributaries, flooded margins, shallow streams, and areas with leaf litter, roots, and overhanging vegetation. These environments help explain their preference for cover, dappled light, and the confidence they show when kept in a proper group.\u003c\/p\u003e\n\u003cp\u003eTheir natural waters are often tinted by tannins from decomposing plant matter. That does not mean they require extreme blackwater conditions, but it does explain why they look especially good over dark substrate with wood, plants, and subdued lighting. A moderate \u003cstrong\u003eserpae tetras water flow preference\u003c\/strong\u003e is best. They do not need torrent-like current, and in many aquariums they settle best with gentle to moderate movement that keeps oxygen levels up without pushing the shoal around.\u003c\/p\u003e\n\u003cp\u003eWild fish feed on tiny invertebrates, insect larvae, crustaceans, plant fragments, and organic matter drifting in the water column. That natural feeding pattern is why a varied captive diet works so well. It also explains their quick response to frozen foods and why conditioning with live foods helps if you want to \u003cstrong\u003ebreed serpae tetras\u003c\/strong\u003e. For aquarists looking at \u003cstrong\u003eSouth American tetras UK\u003c\/strong\u003e listings, this species sits in the useful middle ground: colourful, adaptable, and not overly delicate.\u003c\/p\u003e\n\u003cp\u003eBecause they are small, many people assume they belong in tiny tanks, but natural behaviour tells a different story. A \u003cstrong\u003eserpae tetras minimum group size\u003c\/strong\u003e of six is the bare minimum, while eight to twelve is far better for reducing chasing and spreading social tension. If you are wondering \u003cstrong\u003eserpae tetra how many\u003c\/strong\u003e to keep, think in terms of a real shoal rather than a pair or trio. That is also why \u003cstrong\u003eserpae tetras in 60 litre tank\u003c\/strong\u003e can work for a starter group, but larger aquariums make them calmer and more impressive.\u003c\/p\u003e\n\u003cdiv class=\"tip-box\"\u003e\n  \u003ch4\u003e💡 Expert Tip\u003c\/h4\u003e\n  \u003cp\u003eMimicking the natural habitat of Serpae Tetras with dark substrate, driftwood, side planting, and open midwater swimming space usually improves colour, lowers stress, and reduces fin nipping. A shoal kept in a sparse bright tank often behaves more nervously and more aggressively.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003ch2 id=\"tank-setup\"\u003eHow to Set Up the Perfect Tank for Serpae Tetras\u003c\/h2\u003e\n\u003cp\u003eA successful \u003cstrong\u003eserpae tetras tank setup\u003c\/strong\u003e balances swimming room with visual barriers. These fish are active midwater swimmers, but they also benefit from plants, wood, and broken lines of sight. If you want the \u003cstrong\u003ebest serpae tetras for community tank\u003c\/strong\u003e results, the goal is not an empty box of water. It is a structured aquarium where the shoal can move freely while lower-ranking fish can break contact with dominant individuals.\u003c\/p\u003e\n\n\u003ch3\u003eTank Size Requirements\u003c\/h3\u003e\n\u003cp\u003eThe practical \u003cstrong\u003eserpae tetras tank size minimum\u003c\/strong\u003e is 60 litres for a small group, which answers the common question about \u003cstrong\u003eserpae tetra tank size\u003c\/strong\u003e. For long-term success, especially in a mixed community, 75-90 litres is better. A larger footprint matters more than height because it gives the shoal room to spread out. A proper \u003cstrong\u003eserpae tetras tank size\u003c\/strong\u003e also helps reduce nipping, as cramped fish are more likely to harass each other and tank mates.\u003c\/p\u003e\n\u003cp\u003eMany keepers ask about \u003cstrong\u003eserpae tetra tank mates 10 gallon\u003c\/strong\u003e setups. In practice, a 10 gallon aquarium is too small for this species. Even though each fish stays small, they are active, social, and semi-aggressive. If you are planning \u003cstrong\u003eserpae tetras in 60 litre tank\u003c\/strong\u003e conditions, keep the layout simple, avoid overstocking, and maintain a full shoal.\u003c\/p\u003e\n\n\u003ch3\u003eWater Parameters\u003c\/h3\u003e\n\u003cdiv class=\"spec-grid\"\u003e\n  \u003cdiv class=\"spec-card\"\u003e\n\u003cdiv class=\"spec-value\"\u003e22-27°C\u003c\/div\u003e\n\u003cdiv class=\"spec-label\"\u003eserpae tetras temperature\u003c\/div\u003e\n\u003c\/div\u003e\n  \u003cdiv class=\"spec-card\"\u003e\n\u003cdiv class=\"spec-value\"\u003e6.0-8.0\u003c\/div\u003e\n\u003cdiv class=\"spec-label\"\u003eserpae tetras pH requirements\u003c\/div\u003e\n\u003c\/div\u003e\n  \u003cdiv class=\"spec-card\"\u003e\n\u003cdiv class=\"spec-value\"\u003e5-20 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\"\u003e60L+\u003c\/div\u003e\n\u003cdiv class=\"spec-label\"\u003eserpae tetras tank size minimum\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cp\u003eThe ideal \u003cstrong\u003eserpae tetras water temperature range\u003c\/strong\u003e is 22-27°C, with 24-26°C being a very comfortable everyday target. Stable conditions matter more than chasing exact numbers. The best \u003cstrong\u003eserpae tetras water parameters\u003c\/strong\u003e for colour and activity are slightly acidic to neutral water, though this species is adaptable enough for many community aquariums if changes are gradual.\u003c\/p\u003e\n\u003cp\u003eIf you are building a \u003cstrong\u003eserpae tetras neon tank setup\u003c\/strong\u003e, aim for the overlap zone both species tolerate well: around 24-25°C, soft to moderately hard water, and a pH near neutral. That makes mixed tetra displays easier to manage and helps answer whether a \u003cstrong\u003eserpae tetra and neon tetra\u003c\/strong\u003e combination is possible. It can work, but only if the Serpaes are in a large enough shoal and the tank is not cramped.\u003c\/p\u003e\n\n\u003ch3\u003eFiltration and Flow\u003c\/h3\u003e\n\u003cp\u003eUse a reliable filter that turns the tank over around 5-8 times per hour without creating a harsh blast through the middle of the aquarium. Sponge filters work in breeding tanks, while internal or external filters suit display aquariums. The key is clean, oxygen-rich water and a sensible \u003cstrong\u003eserpae tetras water flow preference\u003c\/strong\u003e: gentle to moderate, not stagnant and not river-tank strong.\u003c\/p\u003e\n\n\u003ch3\u003eSubstrate, Plants and Decor\u003c\/h3\u003e\n\u003cp\u003eA dark sand or fine gravel substrate helps these fish feel secure and makes the red body colour stand out. A \u003cstrong\u003eserpae tetras planted tank setup\u003c\/strong\u003e is strongly recommended. Use dense side and background planting with open swimming space in the centre. Good choices include Java fern, Amazon swords, Cryptocoryne, floating plants, and stem plants that soften the light. \u003cstrong\u003eSerpae tetras for planted aquarium\u003c\/strong\u003e layouts do very well because structure reduces stress and gives subdominant fish somewhere to retreat.\u003c\/p\u003e\n\u003cp\u003eMany buyers ask about \u003cstrong\u003eserpae tetra eating plants\u003c\/strong\u003e. Healthy Serpaes are not plant-destroying fish. They may peck at biofilm or investigate soft new growth when underfed, but they are not known for uprooting or shredding planted tanks. In most cases, a varied \u003cstrong\u003eserpae tetras diet\u003c\/strong\u003e prevents nuisance picking. If you enjoy active tetra communities, compare them with \u003ca href=\"\/products\/serpae-tetras\"\u003eSerpae Tetras\u003c\/a\u003e, \u003ca href=\"\/products\/hyphessobrycon-eques\"\u003eSerpae Tetra Tropical Fish Hyphessobrycon\u003c\/a\u003e, or \u003ca href=\"\/products\/hyphessobrycon-eques\"\u003eJewel Tetras - Hyphessobrycon Eques\u003c\/a\u003e for the same classic species under common trade names.\u003c\/p\u003e\n\n\u003ch3\u003eLighting Requirements\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eSerpae tetras lighting requirements\u003c\/strong\u003e are moderate rather than intense. Bright lighting can wash them out unless you add floating cover or dense planting. A photoperiod of 7-9 hours suits most aquariums. In a well-designed setup, subdued light, dark decor, and a rich feeding routine produce the strongest red tones in these \u003cstrong\u003ecolourful schooling fish UK\u003c\/strong\u003e favourites.\u003c\/p\u003e\n\n\u003cdiv class=\"info-box\"\u003e\n  \u003ch4\u003eQuick Setup Checklist\u003c\/h4\u003e\n  \u003cul\u003e\n    \u003cli\u003eStart with at least 60 litres, ideally more for a mixed community\u003c\/li\u003e\n    \u003cli\u003eKeep a shoal of 6+, with 8-12 preferred\u003c\/li\u003e\n    \u003cli\u003eMaintain 22-27°C and stable pH between 6.0 and 8.0\u003c\/li\u003e\n    \u003cli\u003eUse plants, wood, and open midwater swimming space\u003c\/li\u003e\n    \u003cli\u003eChoose gentle to moderate filtration and regular weekly water changes\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 Serpae Tetras. In immature tanks, these fish often show faded colour, skittish behaviour, and increased sparring because unstable ammonia and nitrite levels irritate the gills and raise stress.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003ch2 id=\"feeding\"\u003eWhat Do Serpae Tetras Eat? Complete Feeding Guide\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eSerpae Tetra\u003c\/strong\u003e is an omnivore, which means it does best on a varied menu rather than one single staple food. In the wild, a \u003cstrong\u003eSerpae Tetra fish\u003c\/strong\u003e picks at tiny insects, micro-crustaceans, worms, and plant-based matter. In the aquarium, that translates into a balanced routine of quality flakes, micro pellets, frozen foods, and occasional live treats. If you want brighter colour, stronger condition, and better spawning response, variety matters.\u003c\/p\u003e\n\u003cp\u003eA practical \u003cstrong\u003eserpae tetras feeding guide\u003c\/strong\u003e starts with a small staple food they can finish in under a minute. Add frozen daphnia, cyclops, bloodworm, or brine shrimp several times each week. This supports colour, body condition, and natural hunting behaviour. A good \u003cstrong\u003eserpae tetras diet\u003c\/strong\u003e also helps reduce random pecking at tank mates because hungry fish are more likely to nip.\u003c\/p\u003e\n\n\u003ch3\u003eStaple Foods\u003c\/h3\u003e\n\u003cp\u003eUse a fine tropical flake or micro pellet as the daily base. Because these are active midwater feeders, choose foods that sink slowly. For keepers browsing \u003cstrong\u003etetras for sale UK\u003c\/strong\u003e or \u003cstrong\u003ebuy serpae tetras UK\u003c\/strong\u003e listings, feeding is one of the biggest differences between average fish and truly vibrant fish. A high-quality staple keeps body shape full and fins in better condition.\u003c\/p\u003e\n\n\u003ch3\u003eSupplemental Foods\u003c\/h3\u003e\n\u003cp\u003eFrozen bloodworm, daphnia, mosquito larvae, and brine shrimp are excellent 2-4 times per week. Live foods are especially useful if you plan \u003cstrong\u003eserpae tetra breeding\u003c\/strong\u003e. Conditioned adults show stronger colour and fuller bodies, and males display more actively.\u003c\/p\u003e\n\n\u003ch3\u003eTreats and Special Foods\u003c\/h3\u003e\n\u003cp\u003eFor fish being prepared to \u003cstrong\u003ebreed serpae tetras\u003c\/strong\u003e, add live daphnia and baby brine shrimp. For display fish, colour-enhancing foods rich in carotenoids can intensify red tones. This is helpful when customers compare \u003cstrong\u003ebest serpae tetras UK\u003c\/strong\u003e stock or ask why some fish look washed out in stores. Good food, dark decor, and low stress are usually the answer.\u003c\/p\u003e\n\n\u003ch3\u003eFeeding Frequency and Portion Control\u003c\/h3\u003e\n\u003cp\u003eFeed adults twice daily in small portions. Juveniles can take three smaller meals. Avoid large single feedings, especially in smaller tanks. This matters whether you are researching \u003cstrong\u003eserpae tetras for sale UK\u003c\/strong\u003e, checking \u003cstrong\u003eserpae tetra price\u003c\/strong\u003e, or deciding \u003cstrong\u003ewhere to buy serpae tetras UK\u003c\/strong\u003e; healthy fish stay healthy when feeding is measured, not excessive.\u003c\/p\u003e\n\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 flake or micro pellet\u003c\/td\u003e\n\u003ctd\u003eOnly what the shoal 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 staple food\u003c\/td\u003e\n\u003ctd\u003eSmall pinch or a thawed portion they finish quickly\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003cdiv class=\"warning-box\"\u003e\n  \u003ch4\u003e⚠️ Feeding Warning\u003c\/h4\u003e\n  \u003cp\u003eOverfeeding causes ammonia spikes, cloudy water, and higher disease risk. Serpae Tetras are eager feeders, so it is easy to give too much. If food reaches the substrate uneaten, reduce the portion immediately.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"food-recommendation\"\u003e\n  \u003ca href=\"\/products\/ember-tetras\"\u003ePair your Serpae Tetras with a calm feeding routine inspired by our Ember Tetra care recommendations\u003c\/a\u003e\n  \u003cp\u003eSmall tetra species thrive on finely sized foods, and the same approach works well for Serpaes in mixed community aquariums.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003ch2 id=\"appearance\"\u003eSerpae Tetras Appearance: Colors, Patterns \u0026amp; Varieties\u003c\/h2\u003e\n\u003cp\u003eThe classic look of \u003cstrong\u003eSerpae Tetras\u003c\/strong\u003e is unmistakable: a deep red to coppery-red body, a tall black dorsal fin, and a dark comma-shaped humeral spot behind the gill cover. The body is laterally compressed and quite tall for such a small tetra, which makes the species look bolder than its 4 cm adult size suggests. In the right conditions, the body can glow with a rich scarlet sheen, which is why the common name \u003cstrong\u003eflame tetra\u003c\/strong\u003e fits so well.\u003c\/p\u003e\n\u003cp\u003eSome buyers search for \u003cstrong\u003elongfin serpae tetra\u003c\/strong\u003e forms. These selectively bred variants have extended finnage, but standard-finned fish are often the better choice for mixed community tanks because they are stronger swimmers and less likely to attract nipping from their own kind. If you see terms like \u003cstrong\u003eserpae tetra white fins\u003c\/strong\u003e, pale fin edges can simply be normal contrast or stress-related paling rather than a distinct variety.\u003c\/p\u003e\n\u003cp\u003eQuestions about \u003cstrong\u003eserpae tetra male vs female\u003c\/strong\u003e are common. Males are usually slimmer, more intensely coloured, and may show slightly more pointed fins. Females are often rounder, especially when full of eggs. If you are wondering \u003cstrong\u003eserpae tetra male or female\u003c\/strong\u003e, body shape is usually more reliable than colour alone. The same applies to \u003cstrong\u003eserpae tetras male vs female\u003c\/strong\u003e in a shop tank where stress can mute colour.\u003c\/p\u003e\n\u003cp\u003ePeople also compare them with a \u003cstrong\u003ered phantom tetra\u003c\/strong\u003e, \u003cstrong\u003ered neon tetra\u003c\/strong\u003e, or even a \u003cstrong\u003erosy tetra\u003c\/strong\u003e. A useful rule is this: Serpaes are deeper-bodied and more assertive than most of those lookalikes. The question \u003cstrong\u003eserpae tetra vs red phantom tetra\u003c\/strong\u003e usually comes down to temperament and body shape. Serpaes are brighter red and more boisterous; red phantoms are subtler and often calmer.\u003c\/p\u003e\n\n\u003ch2 id=\"compatibility\"\u003eWhat Fish Can Live With Serpae Tetras? Compatibility Guide\u003c\/h2\u003e\n\u003cp\u003eThe biggest compatibility question is simple: \u003cstrong\u003eare serpae tetras aggressive\u003c\/strong\u003e? The honest answer is that \u003cstrong\u003eserpae tetra aggressive\u003c\/strong\u003e behaviour is possible, but it is usually manageable. They are not outright predators, yet they can be assertive and are well known for testing fins. So, are \u003cstrong\u003eserpae tetras peaceful community fish\u003c\/strong\u003e? Not in every setup. They are better described as active, semi-aggressive \u003cstrong\u003eserpae tetras schooling fish\u003c\/strong\u003e that do best with equally lively companions.\u003c\/p\u003e\n\u003cp\u003eThe best \u003cstrong\u003eserpae tetras tank mates\u003c\/strong\u003e are robust, reasonably quick fish that enjoy similar water conditions. Good choices include \u003ca href=\"\/products\/lemon-tetras\"\u003eLemon Tetras\u003c\/a\u003e, \u003ca href=\"\/products\/black-phantom\"\u003eBlack Phantom Tetras\u003c\/a\u003e, \u003ca href=\"\/products\/glowlight-tetras\"\u003eGlowlight Tetras\u003c\/a\u003e, and bottom-dwelling Corydoras. A mixed tetra display can work very well, and many aquarists asking about \u003cstrong\u003ebest tetras for community tank\u003c\/strong\u003e options find Serpaes rewarding when the tank is large enough and the shoal is big enough.\u003c\/p\u003e\n\u003cp\u003eWhat about a \u003cstrong\u003ecardinal tetra\u003c\/strong\u003e or neon tetra? A \u003cstrong\u003eserpae tetra and neon tetra\u003c\/strong\u003e combination can work in a spacious planted aquarium, but Serpaes are bolder and may intimidate delicate fish if the group is too small. The same logic applies when comparing \u003cstrong\u003eserpae tetras vs cardinal tetra\u003c\/strong\u003e: cardinals are more peaceful and more sensitive, while Serpaes are tougher and more assertive. If you want a calmer red tetra effect, you may prefer \u003ca href=\"\/products\/ember-tetras\"\u003eEmber Tetras\u003c\/a\u003e or a \u003ca href=\"\/products\/bleeding-heart-fish\"\u003eBleeding Heart Tetra\u003c\/a\u003e setup instead.\u003c\/p\u003e\n\u003cp\u003eSome pairings should be avoided. The search query \u003cstrong\u003eserpae tetra with betta\u003c\/strong\u003e is common, but it is generally a poor idea. Bettas have flowing fins and a slower swimming style, which invites chasing. The same warning applies to \u003cstrong\u003eserpae tetras and angelfish\u003c\/strong\u003e or \u003cstrong\u003eserpae tetra and angelfish\u003c\/strong\u003e; long fins make angelfish risky tank mates, especially in smaller aquariums. Likewise, \u003cstrong\u003eserpae tetra with goldfish\u003c\/strong\u003e is unsuitable because temperature, behaviour, and water quality needs are different.\u003c\/p\u003e\n\u003cp\u003eCan you keep \u003cstrong\u003eserpae tetras with shrimp\u003c\/strong\u003e? Large adult shrimp may survive in a heavily planted tank, but \u003cstrong\u003eshrimp with serpae tetra\u003c\/strong\u003e is always a gamble. Shrimplets are likely to be eaten, and even adults may be harassed. Snails are usually safer. If you want a true shrimp community, choose gentler fish.\u003c\/p\u003e\n\u003cp\u003eFor stocking, think in groups. A shoal of 8-10 Serpaes in a 90 litre or larger tank is often calmer than 6 in a cramped aquarium. That is why the answer to \u003cstrong\u003eserpae tetra tank mates\u003c\/strong\u003e depends heavily on shoal size and layout. Proper \u003cstrong\u003eserpae tetras minimum group size\u003c\/strong\u003e and visual cover matter as much as species choice.\u003c\/p\u003e\n\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\/lemon-tetras\"\u003eLemon Tetras\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd\u003e✅ Yes\u003c\/td\u003e\n\u003ctd\u003eFast enough and similar in size; good in planted community tanks\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003ca href=\"\/products\/black-phantom\"\u003eBlack Phantom Tetras\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd\u003e✅ Yes\u003c\/td\u003e\n\u003ctd\u003eWorks well in larger South American style aquariums\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003ca href=\"\/products\/glowlight-tetras\"\u003eGlowlight Tetras\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd\u003e⚠️ Caution\u003c\/td\u003e\n\u003ctd\u003ePossible in spacious tanks, but monitor for fin nipping\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003ca href=\"\/products\/ember-tetras\"\u003eEmber Tetras\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd\u003e⚠️ Caution\u003c\/td\u003e\n\u003ctd\u003eVery peaceful and small; best only with a calm Serpae shoal\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eBettas\u003c\/td\u003e\n\u003ctd\u003e❌ Avoid\u003c\/td\u003e\n\u003ctd\u003eFlowing fins often trigger nipping\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eAngelfish\u003c\/td\u003e\n\u003ctd\u003e❌ Avoid\u003c\/td\u003e\n\u003ctd\u003eLong fins and slower movement make conflict likely\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\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 community tank. This protects established fish from parasites and gives you time to observe whether the new Serpae shoal is unusually dominant or stressed.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003ch2 id=\"breeding\"\u003eHow to Breed Serpae Tetras: Complete Breeding Guide\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eSerpae tetras breeding\u003c\/strong\u003e is very achievable for aquarists willing to set up a separate spawning tank. In fact, \u003cstrong\u003eserpae tetra breeding\u003c\/strong\u003e is often described as easier than many hobbyists expect. The main challenge is not getting them to spawn; it is protecting the eggs and raising the fry successfully.\u003c\/p\u003e\n\u003cp\u003eStart by selecting a healthy conditioned pair or a small breeding group. The usual \u003cstrong\u003eserpae tetra male vs female\u003c\/strong\u003e differences apply: males are slimmer and more vivid, while females are fuller-bodied. A so-called \u003cstrong\u003epregnant serpae tetra\u003c\/strong\u003e is actually an egg-filled female, since tetras are egg scatterers, not livebearers. The search term \u003cstrong\u003eserpae tetra pregnant\u003c\/strong\u003e is common, but the correct sign is a rounded female ready to spawn.\u003c\/p\u003e\n\n\u003ch3\u003eBreeding Setup\u003c\/h3\u003e\n\u003cp\u003eUse a separate 20-30 litre breeding tank with soft, slightly acidic water, subdued light, and a sponge filter. Fine-leaved plants or spawning mops help catch the eggs. Conditioning adults with live and frozen foods improves results when you want to \u003cstrong\u003ebreed serpae tetras\u003c\/strong\u003e.\u003c\/p\u003e\n\n\u003ch3\u003eSpawning Behaviour\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eSerpae tetra spawning\u003c\/strong\u003e usually happens in the morning. Males intensify in colour and chase females through plants. During \u003cstrong\u003eserpae tetra mating\u003c\/strong\u003e behaviour, the pair will scatter adhesive eggs among leaves or mops. Remove the adults after spawning because they will eat eggs if left in the tank.\u003c\/p\u003e\n\n\u003ch3\u003eEgg Care and Hatching\u003c\/h3\u003e\n\u003cp\u003eKeep the tank dim because eggs can be light sensitive. Depending on temperature, eggs usually hatch in about 24-36 hours. The fry become free-swimming a few days later. If you have raised other tetra species, the process is similar, though not identical to raising \u003cstrong\u003eblack neon tetra fry\u003c\/strong\u003e.\u003c\/p\u003e\n\n\u003ch3\u003eFry Care and Growth\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eSerpae tetra fry\u003c\/strong\u003e need infusoria or liquid fry food at first, followed by newly hatched brine shrimp and powdered fry foods. Clean water is critical, so perform tiny but frequent water changes. Growth is steady when food is frequent and finely sized.\u003c\/p\u003e\n\n\u003cdiv class=\"tip-box\"\u003e\n  \u003ch4\u003eAdvanced Breeding Tip\u003c\/h4\u003e\n  \u003cp\u003eFor stronger hatch rates, condition males and females separately for 7-10 days on live foods before introducing them to the breeding tank in the evening. Many breeders find that a slight drop in conductivity and very dim morning light help trigger spawning.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003ch2 id=\"comparison\"\u003eSerpae Tetras vs Similar Species: Which Should You Choose?\u003c\/h2\u003e\n\u003cp\u003eChoosing between red tetra species is not just about colour. Temperament, tank size, and community goals all matter. Many buyers compare \u003cstrong\u003eserpae tetras vs neon tetra\u003c\/strong\u003e, \u003cstrong\u003eserpae tetras vs ember tetra\u003c\/strong\u003e, \u003cstrong\u003eserpae tetras vs guppy\u003c\/strong\u003e, and \u003cstrong\u003eserpae tetras vs rasbora\u003c\/strong\u003e because they want a bright, active shoaling fish without compatibility problems.\u003c\/p\u003e\n\n\u003ctable class=\"comparison-table\"\u003e\n  \u003cthead\u003e\n    \u003ctr\u003e\n\u003cth\u003eFeature\u003c\/th\u003e\n\u003cth\u003eSerpae Tetras\u003c\/th\u003e\n\u003cth\u003eEmber Tetras\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\u003e4 cm\u003c\/td\u003e\n\u003ctd\u003e2 cm\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eCare Level\u003c\/td\u003e\n\u003ctd\u003eModerate-easy\u003c\/td\u003e\n\u003ctd\u003eEasy\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eTemperature\u003c\/td\u003e\n\u003ctd\u003e22-27°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£12.58\u003c\/td\u003e\n\u003ctd\u003eVaries by stock\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eBest For\u003c\/td\u003e\n\u003ctd\u003eBold active shoals in robust community tanks\u003c\/td\u003e\n\u003ctd\u003ePeaceful nano and planted aquariums\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ctable class=\"comparison-table\"\u003e\n  \u003cthead\u003e\n    \u003ctr\u003e\n\u003cth\u003eFeature\u003c\/th\u003e\n\u003cth\u003eSerpae Tetras\u003c\/th\u003e\n\u003cth\u003eRed Phantom Tetra\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\u003eDeeper-bodied, bright red\u003c\/td\u003e\n\u003ctd\u003eSofter red tones, more delicate look\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eTemperament\u003c\/td\u003e\n\u003ctd\u003eMore assertive\u003c\/td\u003e\n\u003ctd\u003eUsually calmer\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eCommunity Suitability\u003c\/td\u003e\n\u003ctd\u003eBest with robust tank mates\u003c\/td\u003e\n\u003ctd\u003eBetter for gentler tetra communities\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eVisual Impact\u003c\/td\u003e\n\u003ctd\u003eStriking flame-like colour\u003c\/td\u003e\n\u003ctd\u003eSubtle elegance\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eBest For\u003c\/td\u003e\n\u003ctd\u003eKeepers wanting active red movement\u003c\/td\u003e\n\u003ctd\u003eKeepers wanting a calmer red tetra\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003cp\u003eIf you want a shoal with stronger personality and more visible movement, choose \u003cstrong\u003eSerpae Tetras\u003c\/strong\u003e. If you want a gentler display fish, compare them with \u003ca href=\"\/products\/ember-tetras\"\u003eEmber Tetras\u003c\/a\u003e or a \u003cstrong\u003ered phantom tetra\u003c\/strong\u003e-style setup. If you are choosing between \u003cstrong\u003eserpae tetras or danio\u003c\/strong\u003e, danios are generally faster and cooler-water tolerant, while Serpaes suit warmer South American community tanks. For hobbyists building mixed displays of \u003cstrong\u003ecommunity tank fish UK\u003c\/strong\u003e, Serpaes are often the better pick when you want red colour without moving into larger species.\u003c\/p\u003e\n\n\u003ch2 id=\"health\"\u003eCommon Health Problems in Serpae Tetras \u0026amp; How to Prevent Them\u003c\/h2\u003e\n\u003cp\u003eGood \u003cstrong\u003eserpae tetras health\u003c\/strong\u003e starts with stable water, a proper shoal, and sensible stocking. Healthy fish show strong red colour, erect fins, active group swimming, and a quick feeding response. Faded colour, clamped fins, hanging near the surface, or repeated isolation from the group can all point to stress or illness.\u003c\/p\u003e\n\u003cp\u003eThe most common \u003cstrong\u003eserpae tetras diseases\u003c\/strong\u003e are the same problems seen in many tropical community fish: ich, fin damage, bacterial infections, and stress-related losses after transport or poor acclimation. Fin wear is especially relevant because buyers often ask \u003cstrong\u003edo serpae tetras nip fins\u003c\/strong\u003e and \u003cstrong\u003eare serpae tetras fin nippers\u003c\/strong\u003e. Yes, they can be. But torn fins are not always disease; sometimes they are a stocking issue. If a fish shows \u003cstrong\u003eserpae tetra twitching\u003c\/strong\u003e, flashing, or rubbing, suspect irritation from parasites or poor water quality first.\u003c\/p\u003e\n\u003cp\u003eTreatment depends on the cause. For external parasites, move affected fish to quarantine if possible. For bacterial issues, improve water quality immediately and use an appropriate fish medication. Avoid random medication in the display tank if the real problem is aggression or ammonia. Strong maintenance often solves more than medicine does.\u003c\/p\u003e\n\u003cp\u003ePrevention is simpler than cure. Keep the shoal large, maintain weekly water changes, avoid overfeeding, and do not mix them with slow long-finned species. If you are comparing \u003cstrong\u003eserpae tetra for sale\u003c\/strong\u003e options, choose alert fish with full fins, clear eyes, and even breathing. That matters more than chasing the lowest \u003cstrong\u003echeap serpae tetras UK\u003c\/strong\u003e listing or the absolute lowest \u003cstrong\u003eserpae tetras price UK\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cdiv class=\"warning-box\"\u003e\n  \u003ch4\u003e⚠️ Health Warning\u003c\/h4\u003e\n  \u003cp\u003eNever use copper-based medications in a mixed aquarium containing shrimp or other sensitive invertebrates. Copper can be lethal to them even at doses considered safe for fish.\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 bare-bottom tank for 2-4 weeks\u003c\/li\u003e\n    \u003cli\u003eMatch temperature and pH closely to the main aquarium\u003c\/li\u003e\n    \u003cli\u003eObserve feeding response, fin condition, and respiration daily\u003c\/li\u003e\n    \u003cli\u003eTreat only when symptoms are identified, not as a random routine\u003c\/li\u003e\n  \u003c\/ul\u003e\n\u003c\/div\u003e\n\n\u003ch2 id=\"behavior\"\u003eUnderstanding Serpae Tetra Behavior in the Aquarium\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eSerpae tetras behaviour\u003c\/strong\u003e is lively, social, and constantly in motion. They occupy the middle level of the tank and look best when a full shoal moves together through open water. Although often sold as beginner tetras, they are not passive fish. Their social hierarchy is active, and mild chasing is normal.\u003c\/p\u003e\n\u003cp\u003eThis is why \u003cstrong\u003eserpae tetras for beginners\u003c\/strong\u003e can be a good choice only when expectations are realistic. They are hardy, but they are not the softest community fish. A larger \u003cstrong\u003eserpae tetra school\u003c\/strong\u003e usually spreads dominance and reduces pressure on individual fish. In too small a group, one or two fish may become persistent troublemakers.\u003c\/p\u003e\n\u003cp\u003eIf you want to know \u003cstrong\u003ehow to care for serpae tetras\u003c\/strong\u003e so they show natural behaviour, focus on three things: keep enough of them, provide broken sightlines with plants and wood, and choose active companions. In a settled tank, they display short bursts of sparring, coordinated swimming, and strong feeding responses. These traits are part of what makes them such appealing \u003cstrong\u003eschooling fish UK\u003c\/strong\u003e choices.\u003c\/p\u003e\n\n\u003ch2 id=\"why-buy\"\u003eWhy Buy from Tropical Fish Co?\u003c\/h2\u003e\n\u003cp\u003eWhen customers \u003cstrong\u003eorder serpae tetras online UK\u003c\/strong\u003e, the biggest concern is usually not colour on day one. It is whether the fish arrive active, settle quickly, and hold condition after acclimation. For this species, that matters because stressed Serpaes can look washed out and may show more nipping while they establish hierarchy. Our approach is built around reducing that stress before the fish ever leave us.\u003c\/p\u003e\n\u003cp\u003eEach group of \u003cstrong\u003elive serpae tetras for sale UK\u003c\/strong\u003e is observed for feeding response, swimming posture, and fin condition before dispatch. We do not treat them like generic red tetras. Serpaes need to be assessed as a shoaling species, because group dynamics tell you a lot about health. Fish that feed strongly and school evenly usually settle better in the customer aquarium. That is especially important for buyers searching \u003cstrong\u003eserpae tetras buy online UK\u003c\/strong\u003e, \u003cstrong\u003eserpae tetras shop UK\u003c\/strong\u003e, or \u003cstrong\u003ewhere to buy serpae tetras UK\u003c\/strong\u003e with confidence.\u003c\/p\u003e\n\u003cp\u003eFor \u003cstrong\u003eserpae tetras delivery UK\u003c\/strong\u003e, fish are packed in insulated boxes with professional fish bags and seasonal heat protection where needed. Tracked delivery helps reduce transit time, and acclimation guidance is included so the fish can be introduced gradually to their new aquarium. If you are browsing \u003cstrong\u003etetras for sale UK\u003c\/strong\u003e or comparing \u003cstrong\u003elive tetras delivery UK\u003c\/strong\u003e options, careful packing and pre-dispatch observation make a real difference.\u003c\/p\u003e\n\u003cp\u003eWhether you want \u003cstrong\u003ebest serpae tetras UK\u003c\/strong\u003e stock for a planted display or are simply ready to \u003cstrong\u003ebuy serpae tetras UK\u003c\/strong\u003e for a lively community setup, this species offers excellent value. Order your \u003cstrong\u003eSerpae Tetras\u003c\/strong\u003e today if you want a bold red shoal with real personality rather than a fish that disappears into the background.\u003c\/p\u003e\n\u003cdiv class=\"care-highlight\"\u003e\n  \u003ch4\u003eWhy Choose Tropical Fish Co for Serpae Tetras\u003c\/h4\u003e\n  \u003cul\u003e\n    \u003cli\u003eGroups are assessed for shoaling behaviour, not just individual appearance\u003c\/li\u003e\n    \u003cli\u003eFish are checked for feeding response and fin condition before dispatch\u003c\/li\u003e\n    \u003cli\u003ePacked for UK transit with insulation and seasonal heat protection where required\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\u003eBuild a stronger South American community by pairing your Serpaes with compatible species and similar water conditions. \u003ca href=\"\/products\/lemon-tetras\"\u003eLemon Tetras\u003c\/a\u003e add bright yellow contrast without overpowering the shoal. \u003ca href=\"\/products\/black-phantom\"\u003eBlack Phantom Tetras\u003c\/a\u003e create a darker, moodier tetra mix that suits planted tanks beautifully. \u003ca href=\"\/products\/glowlight-tetras\"\u003eGlowlight Tetras\u003c\/a\u003e bring a softer orange line for a gentler visual contrast. If you prefer a smaller, calmer red fish, \u003ca href=\"\/products\/ember-tetras\"\u003eEmber Tetras\u003c\/a\u003e are ideal for peaceful planted setups. For aquarists who want a more distinctive centrepiece tetra, \u003ca href=\"\/products\/bleeding-heart-fish\"\u003eBleeding Heart Tetra\u003c\/a\u003e is well worth considering. You can also compare this listing with \u003ca href=\"\/products\/serpae-tetras\"\u003eSerpae Tetras\u003c\/a\u003e and \u003ca href=\"\/products\/hyphessobrycon-eques\"\u003eJewel Tetras - Hyphessobrycon Eques\u003c\/a\u003e if you are shopping by common or scientific name.\u003c\/p\u003e","brand":"Tropical Fish Co","offers":[{"title":"1 - 1,5 cm","offer_id":57469594501455,"sku":"SA63","price":2.99,"currency_code":"GBP","in_stock":false},{"title":"2,5 - 3 cm","offer_id":57470173348175,"sku":"2163","price":2.99,"currency_code":"GBP","in_stock":true},{"title":"1.5-1.9 cm","offer_id":57560358093135,"sku":"SB63","price":2.99,"currency_code":"GBP","in_stock":false},{"title":"2 cm","offer_id":57560358125903,"sku":"S063","price":3.99,"currency_code":"GBP","in_stock":true},{"title":"XXL","offer_id":57560358158671,"sku":"2374","price":5.99,"currency_code":"GBP","in_stock":true},{"title":"3-3.5 cm","offer_id":57560358191439,"sku":"2363","price":3.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1007\/1408\/6735\/files\/serpae-tetras-hero-driftwood-sa63.webp?v=1776719569","url":"https:\/\/tropical-fish-co.myshopify.com\/products\/serpae-tetras-flame-freshwater-tropical-fish-uk","provider":"Tropical Fish Co","version":"1.0","type":"link"}