{"product_id":"black-phantom-neon-lemon-nematobrycon-palmeri","title":"Emperor Tetra Black — Nematobrycon Palmeri (Black Emperor Tetra) - UK","description":"\u003cp\u003e\u003cem\u003eNematobrycon palmeri\u003c\/em\u003e, better known as the Emperor Tetra or black emperor tetra, earns its name with a body that flashes violet-blue, bronze, and smoky black depending on the light. This elegant South American characin is one of the most rewarding choices for aquarists who want a peaceful shoaling fish with more personality than the average tetra. A healthy group shows off subtle sparring, graceful midwater swimming, and the long central tail rays that make the species look almost hand-drawn. For many fishkeepers searching for the \u003cstrong\u003ebest black tetra for aquarium\u003c\/strong\u003e displays, \u003cstrong\u003eNematobrycon Palmeri\u003c\/strong\u003e stands out because it combines beauty with manageable care needs.\u003c\/p\u003e\u003cp\u003eNative to Colombia, this species stays around 5 cm, lives up to 6 years, and suits a well-maintained community aquarium from 80 litres upward. It is often recommended in a \u003cstrong\u003eblack emperor tetra care guide\u003c\/strong\u003e as a strong option for planted tanks, especially if you want a \u003cstrong\u003eblack emperor tetra for planted aquarium\u003c\/strong\u003e layout with shaded areas and gentle flow. See our detailed photos showing the dark body sheen, extended tail filaments, and the clear difference between an \u003cstrong\u003eemperor tetra male\u003c\/strong\u003e and female. If you have been comparing a \u003cstrong\u003eblack emperor tetra tank setup\u003c\/strong\u003e with a \u003cstrong\u003eblack neon tetra community tank\u003c\/strong\u003e or wondering about \u003cstrong\u003eNematobrycon palmeri size\u003c\/strong\u003e, this species offers a refined look without demanding extreme specialist care. In short, a properly kept \u003cstrong\u003eblack emperor tetra school of 6\u003c\/strong\u003e adds movement, contrast, and a calm focal point to a freshwater display.\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\u003eNematobrycon palmeri\u003c\/em\u003e\n\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eCare Level:\u003c\/strong\u003e Easy to moderate\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eMin Tank Size:\u003c\/strong\u003e 80 litres (about 17.5 UK gallons)\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eTemperature:\u003c\/strong\u003e 23-27°C (73-81°F)\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003epH Range:\u003c\/strong\u003e 5.5-7.5\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eLifespan:\u003c\/strong\u003e Up to 6 years\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eTemperament:\u003c\/strong\u003e Peaceful, social, mildly competitive between males\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eDiet:\u003c\/strong\u003e Omnivore\u003c\/li\u003e\n  \u003c\/ul\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"species-profile\"\u003e\n  \u003ch3\u003eClassification\u003c\/h3\u003e\n  \u003cul\u003e\n    \u003cli\u003e\n\u003cstrong\u003eOrder:\u003c\/strong\u003e Characiformes\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eFamily:\u003c\/strong\u003e Characidae\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eGenus:\u003c\/strong\u003e Nematobrycon\u003c\/li\u003e\n  \u003c\/ul\u003e\n  \u003cp\u003e\u003cem\u003eNematobrycon palmeri\u003c\/em\u003e is a classic South American tetra from the characin family, a group known for active schooling fish and community favourites. In the hobby, it sits alongside other elegant midwater species such as \u003ca href=\"\/products\/emperor-tetras\"\u003eEmperor Tetras\u003c\/a\u003e, \u003ca href=\"\/products\/royal-tetra\"\u003eRoyal Tetras\u003c\/a\u003e, and \u003ca href=\"\/products\/pristella-maxillaris\"\u003eX-Ray Tetras\u003c\/a\u003e. Aquarists also compare it with \u003cem\u003eNematobrycon lacortei\u003c\/em\u003e, a close relative with stronger red eye and warmer body tones, but \u003cem\u003eN. palmeri\u003c\/em\u003e remains the better-known aquarium staple.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003ch2 id=\"origin\"\u003eWhere Do Nematobrycon Palmeri Come From? Natural Habitat Explained\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eblack emperor tetra habitat\u003c\/strong\u003e is found in Colombia, South America, especially in slow-moving tributaries and smaller streams connected to the San Juan and Atrato drainage systems. These waters are often shaded by overhanging vegetation, stained lightly by leaf litter, and rich in submerged roots and marginal plants. That natural setting explains why this fish looks best in aquariums with broken sightlines, dark décor, and soft, slightly acidic water.\u003c\/p\u003e\n\u003cp\u003eIn the wild, \u003cstrong\u003eNematobrycon palmeri\u003c\/strong\u003e spends much of its time in the middle water layer, moving in loose groups rather than a tightly packed school. This is one reason aquarists sometimes compare their behaviour to questions like \u003cstrong\u003eare black neon tetras schooling fish\u003c\/strong\u003e or \u003cstrong\u003eare black phantom tetras schooling fish\u003c\/strong\u003e. Emperor tetras shoal confidently when they feel secure, but in a calm planted tank they also spread out and display naturally. Their native waters are warm year-round, which aligns with the accepted \u003cstrong\u003eNematobrycon palmeri temperature range\u003c\/strong\u003e of 23-27°C in captivity.\u003c\/p\u003e\n\u003cp\u003eTheir natural diet includes tiny aquatic invertebrates, insect larvae, biofilm particles, and plant matter. That is why a varied omnivore menu works so well in the aquarium. If you have researched the \u003cstrong\u003eblack neon tetra natural habitat\u003c\/strong\u003e, \u003cstrong\u003eblack neon tetra origin\u003c\/strong\u003e, or \u003cstrong\u003eblack neon tetra native range\u003c\/strong\u003e, you will notice some overlap in broad South American conditions, but Emperor Tetras prefer a more sheltered, dimly lit presentation to show their best colour and finnage. Likewise, hobbyists reading about the \u003cstrong\u003eblack phantom tetra habitat\u003c\/strong\u003e, \u003cstrong\u003eblack phantom tetra biotope\u003c\/strong\u003e, or \u003cstrong\u003eblack phantom tetra native range\u003c\/strong\u003e will recognise the same general blackwater-to-clearwater theme: cover, warmth, and stable chemistry matter more than chasing an exact number.\u003c\/p\u003e\n\u003cp\u003eBecause the species is aquarium-bred in the trade, it adapts well to sensible community conditions. Still, mimicking the \u003cstrong\u003eblack emperor tetra habitat\u003c\/strong\u003e with wood, leaf tones, and plants helps reduce stress and supports stronger colour. For aquarists interested in \u003cstrong\u003etetra empereur cohabitation\u003c\/strong\u003e, the natural clue is simple: these fish evolved among other small, peaceful characins, not hyperactive fin nippers or large predators.\u003c\/p\u003e\n\u003cdiv class=\"tip-box\"\u003e\n  \u003ch4\u003e💡 Expert Tip\u003c\/h4\u003e\n  \u003cp\u003eMimicking the natural habitat with darker substrate, floating cover, and patches of open swimming space improves confidence, reduces skittish behaviour, and brings out the violet-blue line along the flank far better than a bare, brightly lit tank.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003ch2 id=\"tank-setup\"\u003eHow to Set Up the Perfect Tank for Nematobrycon Palmeri\u003c\/h2\u003e\n\u003cp\u003eA successful \u003cstrong\u003eblack emperor tetra tank setup\u003c\/strong\u003e balances three things: stable water, gentle décor, and enough social space for a group. Although this species is often listed as suitable for beginners, the fish looks dramatically better when kept in a mature aquarium rather than a newly filled tank. If you are comparing \u003cstrong\u003eblack emperor tetra tank size\u003c\/strong\u003e with the \u003cstrong\u003eblack phantom tetra minimum tank size\u003c\/strong\u003e or \u003cstrong\u003eblack neon tetra minimum tank size\u003c\/strong\u003e, the answer is similar in principle: think beyond survival and plan for natural behaviour.\u003c\/p\u003e\n\u003ch3\u003eTank Size Requirements\u003c\/h3\u003e\n\u003cp\u003eThe minimum recommended volume is 80 litres, but 90-120 litres is better for a settled display group. A \u003cstrong\u003eblack emperor tetra school of 6\u003c\/strong\u003e can live in 80 litres, yet 8-12 fish in a longer tank will show stronger social confidence and better colour. The extra length matters more than extra height because these fish patrol the middle section of the aquarium. For anyone searching \u003cstrong\u003eblack emperor tetra tank size\u003c\/strong\u003e, the practical answer is that a longer footprint gives males room to posture without turning every interaction into stress.\u003c\/p\u003e\n\u003cp\u003eIf you have looked up \u003cstrong\u003eblack neon tetra tank size\u003c\/strong\u003e, \u003cstrong\u003eblack neon tetra tank requirements\u003c\/strong\u003e, or \u003cstrong\u003eblack phantom tetra tank size\u003c\/strong\u003e, the same rule applies here: a group of small tetras needs horizontal swimming room and visual barriers. Add wood branches, side planting, and a central open lane.\u003c\/p\u003e\n\u003ch3\u003eWater Parameters\u003c\/h3\u003e\n\u003cdiv class=\"spec-grid\"\u003e\n  \u003cdiv class=\"spec-card\"\u003e\n\u003cdiv class=\"spec-value\"\u003e23-27°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\u003c\/div\u003e\n\u003c\/div\u003e\n  \u003cdiv class=\"spec-card\"\u003e\n\u003cdiv class=\"spec-value\"\u003e3-15 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 Volume\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cp\u003eThe ideal \u003cstrong\u003eblack emperor tetra temperature\u003c\/strong\u003e sits around 24-26°C, though the full \u003cstrong\u003eNematobrycon palmeri temperature range\u003c\/strong\u003e is 23-27°C. This overlaps with searches such as \u003cstrong\u003eblack neon tetra temperature\u003c\/strong\u003e, \u003cstrong\u003eblack neon tetra temperature range\u003c\/strong\u003e, \u003cstrong\u003eblack neon tetra water temperature\u003c\/strong\u003e, and \u003cstrong\u003etemperature for black neon tetras\u003c\/strong\u003e. If you are wondering \u003cstrong\u003ewhat temperature do black neon tetras like\u003c\/strong\u003e or \u003cstrong\u003ewhat temperature do black phantom tetras like\u003c\/strong\u003e, the answer is close enough that mixed tetra communities can work when all species prefer the same mid-20s range.\u003c\/p\u003e\n\u003cp\u003eThe preferred \u003cstrong\u003eblack emperor tetra ph range\u003c\/strong\u003e is slightly acidic to neutral, but tank-bred fish can adapt to mildly alkaline water if changes are gradual and nitrate stays low. \u003cstrong\u003eBlack emperor tetra water hardness\u003c\/strong\u003e should remain soft to moderately hard. Stability matters more than chasing extreme softness unless you are breeding.\u003c\/p\u003e\n\u003ch3\u003eFiltration and Flow\u003c\/h3\u003e\n\u003cp\u003eUse a reliable filter that provides good biological capacity without creating a harsh current. Sponge filters, spray bars, and well-adjusted internal or external filters all work. Emperor tetras dislike being blasted around the tank, so aim for gentle circulation and visible but not turbulent surface movement. In planted systems, a calm flow also helps maintain the elegant silhouette that makes this a \u003cstrong\u003edark coloured tetra for planted tank\u003c\/strong\u003e favourite.\u003c\/p\u003e\n\u003ch3\u003eSubstrate, Plants, and Decor\u003c\/h3\u003e\n\u003cp\u003eA dark sand or fine gravel substrate is ideal. It deepens body colour and makes the iridescent lateral line stand out. This species is especially attractive as a \u003cstrong\u003eblack emperor tetra for planted aquarium\u003c\/strong\u003e fish. Use clumps of stem plants, floating cover, and wood to create pockets of shade. Good companions in the same visual style include \u003ca href=\"\/products\/lemon-tetras\"\u003eLemon Tetras\u003c\/a\u003e, \u003ca href=\"\/products\/blue-tetra\"\u003eBlue Tetra groups\u003c\/a\u003e, and \u003ca href=\"\/products\/pristella-maxillaris\"\u003eX-Ray Tetras\u003c\/a\u003e.\u003c\/p\u003e\n\u003cp\u003eFor aquarists comparing \u003cstrong\u003eblack phantom tetra tank requirements\u003c\/strong\u003e or \u003cstrong\u003eblack neon tetra requirements\u003c\/strong\u003e, Emperor Tetras appreciate similar structure but benefit even more from broken lines of sight because males establish tiny display zones. A sparse tank often leads people to ask if \u003cstrong\u003eblack emperor tetra aggressive\u003c\/strong\u003e behaviour is normal. In many cases, the issue is not aggression but poor layout.\u003c\/p\u003e\n\u003ch3\u003eLighting\u003c\/h3\u003e\n\u003cp\u003eModerate lighting is best. Bright, exposed tanks can wash out colour and make the fish nervous. Floating plants or tall side planting soften the light. Run the lights for 7-9 hours daily if algae is under control. In display aquariums, a slightly warmer spectrum often flatters the bronze and purple tones better than very cold white lighting.\u003c\/p\u003e\n\u003cdiv class=\"info-box\"\u003e\n  \u003ch4\u003eQuick Setup Checklist\u003c\/h4\u003e\n  \u003cul\u003e\n    \u003cli\u003eChoose an aquarium of at least 80 litres, preferably longer than tall\u003c\/li\u003e\n    \u003cli\u003eKeep a group of 6 or more, with 8-12 ideal for best behaviour\u003c\/li\u003e\n    \u003cli\u003eMaintain 23-27°C with stable heating\u003c\/li\u003e\n    \u003cli\u003eUse dark substrate, wood, and dense side planting\u003c\/li\u003e\n    \u003cli\u003eProvide gentle filtration and subdued lighting\u003c\/li\u003e\n    \u003cli\u003eKeep nitrate low with regular 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 tank for 4-6 weeks before adding Emperor Tetras. A mature filter and stable biofilm make a visible difference to confidence, feeding response, and colour depth in the first month.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003ch2 id=\"feeding\"\u003eWhat Do Nematobrycon Palmeri Eat? Complete Feeding Guide\u003c\/h2\u003e\n\u003cp\u003eThe ideal \u003cstrong\u003eblack emperor tetra diet\u003c\/strong\u003e is varied, protein-aware, and portion controlled. These fish are omnivores, so if you have asked \u003cstrong\u003eare black neon tetras omnivores\u003c\/strong\u003e, the same broad answer applies here too. In nature they pick at tiny crustaceans, insect larvae, and organic particles. In the aquarium, they thrive on a mix of quality flakes, micro pellets, frozen foods, and occasional live foods.\u003c\/p\u003e\n\u003ch3\u003eStaple Foods\u003c\/h3\u003e\n\u003cp\u003eA good \u003cstrong\u003eemperor tetra feeding guide\u003c\/strong\u003e starts with a fine tropical flake or small soft granule used once or twice daily. Choose foods that sink slowly because Emperor Tetras feed in the middle water column. This is similar to advice on \u003cstrong\u003ewhat to feed black neon tetras\u003c\/strong\u003e, \u003cstrong\u003ewhat to feed black phantom tetra\u003c\/strong\u003e, and even broader searches like \u003cstrong\u003ewhat do black neon tetras eat\u003c\/strong\u003e or \u003cstrong\u003ewhat do black phantom tetra eat\u003c\/strong\u003e.\u003c\/p\u003e\n\u003ch3\u003eSupplemental Foods\u003c\/h3\u003e\n\u003cp\u003eFor best colour and condition, add frozen daphnia, cyclops, baby brine shrimp, and bloodworm in small amounts several times per week. This supports finnage, breeding condition, and stronger feeding response. If you have seen questions such as \u003cstrong\u003ewhat does black phantom tetra eat\u003c\/strong\u003e, \u003cstrong\u003ewhat black neon tetras eat\u003c\/strong\u003e, or even the typo-style search \u003cstrong\u003ewhat day black neon tetras eat\u003c\/strong\u003e, the practical answer is simple: small, frequent, varied meals work better than one large feeding.\u003c\/p\u003e\n\u003ch3\u003eTreats and Conditioning Foods\u003c\/h3\u003e\n\u003cp\u003eWhen preparing pairs for spawning, increase live or frozen foods. This is where an \u003cstrong\u003eemperor tetra feeding guide\u003c\/strong\u003e differs from a basic care sheet. Rich foods should improve condition, not create waste. Feed only what is eaten in under 60 seconds. This also helps if you keep mixed tetra communities and are already planning around \u003cstrong\u003ecardinal tetra food\u003c\/strong\u003e needs.\u003c\/p\u003e\n\u003ch3\u003eFeeding Frequency and Portion Control\u003c\/h3\u003e\n\u003ctable class=\"comparison-table\"\u003e\n  \u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eTime\u003c\/th\u003e\n\u003cth\u003eFood\u003c\/th\u003e\n\u003cth\u003eAmount\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n\u003ctd\u003eMorning\u003c\/td\u003e\n\u003ctd\u003eFine flake or micro pellet\u003c\/td\u003e\n\u003ctd\u003eSmall pinch, fully eaten in 45-60 seconds\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eEvening\u003c\/td\u003e\n\u003ctd\u003eFrozen daphnia, cyclops, or baby brine shrimp\u003c\/td\u003e\n\u003ctd\u003eVery small portion, no leftovers after 1 minute\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003eMany keepers ask \u003cstrong\u003ewhat time black neon tetras eat\u003c\/strong\u003e or \u003cstrong\u003eblack neon tetra eat\u003c\/strong\u003e patterns. Emperor Tetras are not fussy about exact timing, but consistency helps. Feed once or twice daily at roughly the same times. They will also browse tiny particles between meals, but they are not algae grazers and \u003cstrong\u003eblack neon tetra eat plants\u003c\/strong\u003e-style concerns are not usually relevant here. Healthy Emperor Tetras do not damage live plants.\u003c\/p\u003e\n\u003cp\u003eIf a fish stops eating, check water quality first. Mixed tetra tanks sometimes raise worries like \u003cstrong\u003elemon tetra not eating\u003c\/strong\u003e; in practice, reduced appetite across small characins often points to stress, transport shock, bullying, or rising nitrogen waste rather than food preference alone.\u003c\/p\u003e\n\u003cdiv class=\"food-recommendation\"\u003e\n  \u003ca href=\"\/products\/emperor-tetras\"\u003eFine staple foods for Emperor Tetra groups\u003c\/a\u003e - Best for daily feeding when you want a balanced omnivore base diet that stays suspended long enough for midwater feeding fish.\u003c\/div\u003e\n\u003cdiv class=\"food-recommendation\"\u003e\n  \u003ca href=\"\/products\/lemon-tetras\"\u003eSmall-particle community foods for Lemon Tetra and Emperor Tetra tanks\u003c\/a\u003e - Useful when keeping similarly sized characins that all benefit from tiny, frequent meals.\u003c\/div\u003e\n\u003cdiv class=\"warning-box\"\u003e\n  \u003ch4\u003e⚠️ Feeding Warning\u003c\/h4\u003e\n  \u003cp\u003eOverfeeding causes ammonia spikes, cloudy water, and stressed fish. Emperor Tetras are eager feeders, so it is easy to offer too much. Small portions given consistently are safer than heavy meals.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003ch2 id=\"appearance\"\u003eWhat Does Nematobrycon Palmeri Look Like? Colors, Patterns \u0026amp; Varieties\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eNematobrycon palmeri size\u003c\/strong\u003e reaches about 5 cm in adulthood, with a slim but deep enough body to show a strong lateral line and elegant finnage. The most striking feature is the tail: the central rays extend beyond the rest of the caudal fin, creating the classic emperor look. Body colour can appear smoky brown, charcoal, bronze, or purple-blue depending on mood, age, lighting, and angle.\u003c\/p\u003e\n\u003cp\u003eA good \u003cstrong\u003eblack neon tetra care guide\u003c\/strong\u003e often focuses on the bright stripe of that species, while a \u003cstrong\u003eblack phantom tetra care guide\u003c\/strong\u003e highlights the shoulder patch and taller body. Emperor Tetras are different. Their beauty is subtler and more regal, which is why many aquarists looking for a \u003cstrong\u003eblack emperor tetra care guide\u003c\/strong\u003e choose them over louder but less refined species. Our photos show the dark, velvety body sheen and the eye colour contrast that makes \u003cstrong\u003eNematobrycon palmeri black\u003c\/strong\u003e forms so attractive under subdued lighting.\u003c\/p\u003e\n\u003cp\u003eSexing is one of the easier parts of \u003cstrong\u003enematobrycon palmeri care\u003c\/strong\u003e. The \u003cstrong\u003eblack emperor tetra male\u003c\/strong\u003e is usually slimmer, more colourful, and develops longer dorsal and caudal extensions. Females are fuller-bodied and less elongated through the fins. Aquarists searching \u003cstrong\u003eblack neon tetra how to tell gender\u003c\/strong\u003e, \u003cstrong\u003ehow to tell if a black neon tetra is male or female\u003c\/strong\u003e, \u003cstrong\u003ehow to tell if a black phantom tetra is male or female\u003c\/strong\u003e, or \u003cstrong\u003ehow to gender black phantom tetra\u003c\/strong\u003e are often relieved to find Emperor Tetras easier to sex than many similar characins.\u003c\/p\u003e\n\u003cp\u003eThere are also hobby discussions around \u003cstrong\u003ealbino emperor tetra\u003c\/strong\u003e and darker trade names such as \u003cstrong\u003eblack panther tetra\u003c\/strong\u003e, but the classic form remains the most natural-looking and stable choice for community aquariums. If you want the best colour, use dark substrate, warm-toned lighting, and a diet with regular frozen foods.\u003c\/p\u003e\n\n\u003ch2 id=\"compatibility\"\u003eWhat Fish Can Live With Nematobrycon Palmeri? Compatibility Guide\u003c\/h2\u003e\n\u003cp\u003eOne of the biggest customer questions is simple: \u003cstrong\u003eemperor tetra aggressive\u003c\/strong\u003e or peaceful? The honest answer is that this species is peaceful overall, but males can posture and spar with each other, especially in small groups or cramped tanks. That does not mean true danger in a suitable setup. In fact, the \u003cstrong\u003eblack emperor tetra for community tank\u003c\/strong\u003e reputation is well deserved when the group is large enough and the aquarium is structured properly.\u003c\/p\u003e\n\u003cp\u003eAnother common search is \u003cstrong\u003eblack emperor tetra aggressive\u003c\/strong\u003e. In my experience, what people describe as aggression is usually display behaviour: parallel swimming, fin flaring, and short chases. A proper group spreads this out harmlessly. This is why Emperor Tetras are often suggested as the \u003cstrong\u003ebest black tetra for community tank\u003c\/strong\u003e and an \u003cstrong\u003eelegant tetra for community tank\u003c\/strong\u003e display species.\u003c\/p\u003e\n\u003ch3\u003eIdeal Tank Mates\u003c\/h3\u003e\n\u003cp\u003eGood companions include other peaceful midwater fish and calm bottom dwellers. Suitable matches from our range include \u003ca href=\"\/products\/royal-tetra\"\u003eRoyal Tetras\u003c\/a\u003e, \u003ca href=\"\/products\/tropical-fish-uk\"\u003eInpaichthys kerri groups\u003c\/a\u003e, \u003ca href=\"\/products\/lemon-tetras\"\u003eLemon Tetras\u003c\/a\u003e, \u003ca href=\"\/products\/pristella-maxillaris\"\u003eX-Ray Tetras\u003c\/a\u003e, \u003ca href=\"\/products\/blue-tetra\"\u003eBlue Tetras\u003c\/a\u003e, and additional \u003ca href=\"\/products\/blue-emperor-tetra\"\u003eBlue Emperor Tetra groups\u003c\/a\u003e. These all fit the profile of a \u003cstrong\u003epeaceful schooling tetra UK\u003c\/strong\u003e setup when stocked sensibly.\u003c\/p\u003e\n\u003cp\u003eIf you are building a \u003cstrong\u003ecommunity tetra UK\u003c\/strong\u003e aquarium, Emperor Tetras combine especially well with fish of similar speed and temperament. Many aquarists comparing \u003cstrong\u003eblack neon tetra compatibility\u003c\/strong\u003e, \u003cstrong\u003eblack neon tetra community tank\u003c\/strong\u003e, or \u003cstrong\u003eare black phantom tetras community fish\u003c\/strong\u003e will find Emperor Tetras just as flexible, provided tank mates are not aggressive fin nippers.\u003c\/p\u003e\n\u003ch3\u003eSpecies to Avoid\u003c\/h3\u003e\n\u003cp\u003eAvoid large cichlids, boisterous barbs, and very nippy species. Long-finned fish that are slow and delicate can also be a poor match if male Emperor Tetras become too interested in display chasing. Questions like \u003cstrong\u003eare black neon tetras aggressive\u003c\/strong\u003e, \u003cstrong\u003eblack neon tetra aggressive\u003c\/strong\u003e, \u003cstrong\u003eare black phantom tetras aggressive\u003c\/strong\u003e, and \u003cstrong\u003eare black phantom tetras peaceful\u003c\/strong\u003e all point to the same rule: small characins do best with similarly peaceful fish.\u003c\/p\u003e\n\u003cp\u003eWhat about \u003cstrong\u003eangelfish with black neon tetras\u003c\/strong\u003e? It can work in larger, mature aquariums if the angelfish are calm and raised with tetras, but there is always some risk once angels become large enough to view small fish as food. The same caution applies to Emperor Tetras.\u003c\/p\u003e\n\u003ch3\u003eCommunity Stocking Examples\u003c\/h3\u003e\n\u003cp\u003eIn an 80-litre tank, keep a single Emperor Tetra group of 6-8 with a small clean-up crew. In 100-120 litres, you can keep 8-10 Emperor Tetras with a second peaceful tetra species and a bottom group. If your fish are \u003cstrong\u003eblack neon tetra not schooling\u003c\/strong\u003e-style scattered, the cause is often too few individuals, too much light, or not enough cover. Emperor Tetras respond the same way.\u003c\/p\u003e\n\u003ch3\u003eCompatibility with Shrimp and Snails\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eEmperor tetra and shrimp\u003c\/strong\u003e is a common question. Adult shrimp may coexist in heavily planted tanks, but shrimplets can be eaten. Snails are generally safe. If your goal is a shrimp colony, choose dense moss and expect some losses among baby shrimp.\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\/lemon-tetras\"\u003eLemon Tetras\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd\u003e✅ Yes\u003c\/td\u003e\n\u003ctd\u003eSimilar size, calm nature, and matching warm planted-tank conditions\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003ca href=\"\/products\/pristella-maxillaris\"\u003eX-Ray Tetras\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd\u003e✅ Yes\u003c\/td\u003e\n\u003ctd\u003ePeaceful and adaptable, excellent in mixed tetra displays\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003ca href=\"\/products\/royal-tetra\"\u003eRoyal Tetras\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd\u003e⚠️ Caution\u003c\/td\u003e\n\u003ctd\u003eWorks in larger tanks; monitor male display behaviour between similar-shaped fish\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eShrimp fry\u003c\/td\u003e\n\u003ctd\u003e⚠️ Caution\u003c\/td\u003e\n\u003ctd\u003eAdults may be safe, but tiny shrimplets can be hunted\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eLarge aggressive cichlids\u003c\/td\u003e\n\u003ctd\u003e❌ Avoid\u003c\/td\u003e\n\u003ctd\u003eStress, predation risk, and incompatible behaviour\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\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 community aquarium. This protects established fish from parasites and lets shy tetras settle into feeding before facing competition.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003ch2 id=\"breeding\"\u003eHow to Breed Nematobrycon Palmeri: Complete Breeding Guide\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eBlack emperor tetra breeding\u003c\/strong\u003e is very achievable for aquarists willing to separate pairs or trios and control water conditions. Overall \u003cstrong\u003eemperor tetra breeding\u003c\/strong\u003e is moderate rather than difficult. The biggest challenge is protecting eggs from hungry adults and keeping fry food small enough in the first days.\u003c\/p\u003e\n\u003ch3\u003eBreeding Setup\u003c\/h3\u003e\n\u003cp\u003eUse a separate 25-40 litre breeding tank with soft, slightly acidic water, dim lighting, and fine-leaved plants or spawning mops. Keep the temperature near the upper end of the normal \u003cstrong\u003eNematobrycon palmeri temperature range\u003c\/strong\u003e, around 26-27°C. Condition the breeders with live and frozen foods for 1-2 weeks. A mature \u003cstrong\u003eblack emperor tetra male\u003c\/strong\u003e will display intensely, spreading fins and circling the female.\u003c\/p\u003e\n\u003ch3\u003eSpawning Behaviour\u003c\/h3\u003e\n\u003cp\u003eIf you have read about \u003cstrong\u003eblack neon tetra breeding behavior\u003c\/strong\u003e or \u003cstrong\u003eblack phantom tetra breeding behavior\u003c\/strong\u003e, Emperor Tetras follow a similar egg-scattering pattern. Spawning usually happens in low light, often early in the day. Searches like \u003cstrong\u003ewhen black neon tetras lay eggs\u003c\/strong\u003e, \u003cstrong\u003ewhat time black neon tetras lay eggs\u003c\/strong\u003e, and \u003cstrong\u003ewhat day black neon tetras lay eggs\u003c\/strong\u003e reflect the same hobby concern: timing is variable, but dawn-like conditions often trigger activity.\u003c\/p\u003e\n\u003ch3\u003eEgg Care and Hatching\u003c\/h3\u003e\n\u003cp\u003eAfter spawning, remove the adults immediately. The eggs are small and lightly adhesive, often scattered among plants. If you have wondered \u003cstrong\u003ewhat do black phantom tetra eggs look like\u003c\/strong\u003e, Emperor Tetra eggs are similarly tiny, translucent, and easy to miss. Hatching usually occurs within 24-36 hours depending on temperature.\u003c\/p\u003e\n\u003ch3\u003eFry Care and Growth\u003c\/h3\u003e\n\u003cp\u003eNew fry need infusoria or liquid fry food first, followed by microworms and newly hatched brine shrimp as they grow. Keep the tank dim and spotless, with tiny daily water changes. This stage is where many attempts at \u003cstrong\u003eblack neon tetra breeding\u003c\/strong\u003e, \u003cstrong\u003eblack phantom tetra breeding\u003c\/strong\u003e, or \u003cstrong\u003ered phantom tetra breeding\u003c\/strong\u003e fail: the fry are not hard to hatch, but they are easy to starve with oversized food.\u003c\/p\u003e\n\u003cp\u003eQuestions such as \u003cstrong\u003epregnant emperor tetra\u003c\/strong\u003e come up often, but tetras do not become pregnant because they are egg scatterers. A female may simply look plumper with eggs. Learning that difference is useful if you are also researching \u003cstrong\u003ehow to breed black phantom tetras\u003c\/strong\u003e or sexing guides like \u003cstrong\u003ehow to tell if a black neon tetra is male or female\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cdiv class=\"tip-box\"\u003e\n  \u003ch4\u003eAdvanced Breeding Tip\u003c\/h4\u003e\n  \u003cp\u003ePlace the breeding tank where it receives no sudden room light at night. Emperor Tetra eggs and newly hatched fry do better in very subdued conditions, and reduced disturbance often improves hatch rates.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003ch2 id=\"comparison\"\u003eNematobrycon Palmeri vs Similar Species: Which Should You Choose?\u003c\/h2\u003e\n\u003cp\u003eMany aquarists narrow their shortlist to Emperor Tetras, Royal Tetras, or other dark-toned characins. This comparison matters because these fish can look similar in online photos but behave differently in the aquarium. If you are deciding between \u003cstrong\u003eNematobrycon palmeri vs Inpaichthys kerri\u003c\/strong\u003e, the key difference is style: Emperor Tetras are more ornate and display-oriented, while Royal Tetras look sleeker and cooler-toned.\u003c\/p\u003e\n\u003ctable class=\"comparison-table\"\u003e\n  \u003cthead\u003e\n    \u003ctr\u003e\n\u003cth\u003eFeature\u003c\/th\u003e\n\u003cth\u003eNematobrycon palmeri\u003c\/th\u003e\n\u003cth\u003eRoyal Tetra\u003c\/th\u003e\n\u003c\/tr\u003e\n  \u003c\/thead\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n\u003ctd\u003eMax Size\u003c\/td\u003e\n\u003ctd\u003e5 cm\u003c\/td\u003e\n\u003ctd\u003e4-5 cm\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eCare Level\u003c\/td\u003e\n\u003ctd\u003eEasy to moderate\u003c\/td\u003e\n\u003ctd\u003eEasy to moderate\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eTemperature\u003c\/td\u003e\n\u003ctd\u003e23-27°C\u003c\/td\u003e\n\u003ctd\u003e23-27°C\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003ePrice\u003c\/td\u003e\n\u003ctd\u003e£25.16\u003c\/td\u003e\n\u003ctd\u003eVaries by group and stock\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eBest For\u003c\/td\u003e\n\u003ctd\u003eElegant planted community tanks\u003c\/td\u003e\n\u003ctd\u003eBlue-toned shoals in peaceful displays\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003eIf your goal is a dramatic, dark, slightly aristocratic centrepiece shoal, Emperor Tetras are the stronger choice. If you prefer a cooler blue shimmer and a more understated profile, consider \u003ca href=\"\/products\/royal-tetra\"\u003eRoyal Tetras\u003c\/a\u003e or \u003ca href=\"\/products\/tropical-fish-uk\"\u003eInpaichthys kerri groups\u003c\/a\u003e. Aquarists also compare Emperor Tetras with \u003ca href=\"\/products\/blue-emperor-tetra\"\u003eBlue Emperor Tetras\u003c\/a\u003e when choosing colour tone within the same general care level.\u003c\/p\u003e\n\u003ctable class=\"comparison-table\"\u003e\n  \u003cthead\u003e\n    \u003ctr\u003e\n\u003cth\u003eFeature\u003c\/th\u003e\n\u003cth\u003eNematobrycon palmeri\u003c\/th\u003e\n\u003cth\u003eLemon Tetra\u003c\/th\u003e\n\u003c\/tr\u003e\n  \u003c\/thead\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n\u003ctd\u003eVisual Impact\u003c\/td\u003e\n\u003ctd\u003eDark body, purple sheen, long tail rays\u003c\/td\u003e\n\u003ctd\u003eBright yellow body, red eyes\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eGroup Behaviour\u003c\/td\u003e\n\u003ctd\u003eLoose shoal with male display\u003c\/td\u003e\n\u003ctd\u003eTighter active shoal\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eBest Tank Style\u003c\/td\u003e\n\u003ctd\u003eShaded planted aquascape\u003c\/td\u003e\n\u003ctd\u003eOpen planted community\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eTemperament\u003c\/td\u003e\n\u003ctd\u003ePeaceful with mild sparring\u003c\/td\u003e\n\u003ctd\u003ePeaceful and lively\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eBest For\u003c\/td\u003e\n\u003ctd\u003eKeepers wanting a dark focal tetra\u003c\/td\u003e\n\u003ctd\u003eKeepers wanting brighter contrast\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003eChoose Emperor Tetras if you want a \u003cstrong\u003edark tetra for sale UK\u003c\/strong\u003e option that looks refined rather than flashy. Choose Lemon Tetras if you want stronger colour contrast in brighter planted layouts. For hobbyists asking about \u003cstrong\u003eroyal tetra\u003c\/strong\u003e, \u003cstrong\u003enematobrycon lacortei\u003c\/strong\u003e, or \u003cstrong\u003eblack veil tetra\u003c\/strong\u003e, the main lesson is to match the fish to the mood of the aquarium, not just the colour on the photo.\u003c\/p\u003e\n\n\u003ch2 id=\"health\"\u003eCommon Health Problems in Nematobrycon Palmeri \u0026amp; How to Prevent Them\u003c\/h2\u003e\n\u003cp\u003eHealthy Emperor Tetras hold their fins open, feed eagerly, and show clear eyes with a steady midwater posture. Faded colour, clamped fins, isolation, or gasping are warning signs. Like many small characins, they are more sensitive to sudden water changes than to mildly imperfect numbers. Good \u003cstrong\u003enematobrycon palmeri care\u003c\/strong\u003e is mostly about consistency.\u003c\/p\u003e\n\u003ch3\u003eCommon Diseases and Symptoms\u003c\/h3\u003e\n\u003cp\u003eAlthough there is no disease unique to Emperor Tetras, they can suffer the same issues seen in searches such as \u003cstrong\u003eblack neon tetra disease\u003c\/strong\u003e, \u003cstrong\u003eblack neon tetra illness\u003c\/strong\u003e, \u003cstrong\u003eblack phantom tetra diseases\u003c\/strong\u003e, and \u003cstrong\u003eblack phantom tetra ich\u003c\/strong\u003e. White spot is the most common early problem after transport or stress. Hobbyists often search \u003cstrong\u003eblack neon tetra ich\u003c\/strong\u003e, \u003cstrong\u003eblack neon tetra white spot\u003c\/strong\u003e, \u003cstrong\u003eblack neon tetra has white spots\u003c\/strong\u003e, \u003cstrong\u003eblack neon tetra with ich\u003c\/strong\u003e, or \u003cstrong\u003eblack phantom tetra white spots\u003c\/strong\u003e. The trigger is usually stress plus a parasite already present in the system.\u003c\/p\u003e\n\u003ch3\u003eTreatment Options\u003c\/h3\u003e\n\u003cp\u003eAt the first sign of white spots, raise aeration, check temperature stability, and move affected fish to a treatment tank if practical. Follow a proven ich treatment exactly as directed. Avoid guessing doses. Daily observation matters more than panicked overmedicating. Many losses happen because fish are treated for the wrong issue while water quality remains poor.\u003c\/p\u003e\n\u003ch3\u003ePrevention Tips\u003c\/h3\u003e\n\u003cp\u003ePrevention is straightforward: quarantine new fish, keep nitrate low, avoid overfeeding, and never let the heater swing wildly. Stable \u003cstrong\u003eblack emperor tetra temperature\u003c\/strong\u003e is especially important after shipping. A calm, planted layout also reduces the chronic stress that can make small tetras vulnerable to parasites.\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 display tank containing shrimp or other sensitive invertebrates. Copper can be lethal to them even when fish appear fine.\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 appetite, respiration, and fin condition daily\u003c\/li\u003e\n    \u003cli\u003eTest ammonia and nitrite regularly\u003c\/li\u003e\n    \u003cli\u003eKeep décor simple so symptoms are easy to spot\u003c\/li\u003e\n    \u003cli\u003eOnly move fish to the display tank once feeding and behaviour are normal\u003c\/li\u003e\n  \u003c\/ul\u003e\n\u003c\/div\u003e\n\n\u003ch2 id=\"behavior\"\u003eUnderstanding Nematobrycon Palmeri Behavior in the Aquarium\u003c\/h2\u003e\n\u003cp\u003eEmperor Tetras are active but not frantic. They spend most of the day cruising the middle levels, pausing around plants and wood, then regrouping in loose formation. They are best described as shoaling fish rather than rigid schoolers. This is why people asking \u003cstrong\u003eare black neon tetras peaceful\u003c\/strong\u003e, \u003cstrong\u003eare black neon tetras schooling fish\u003c\/strong\u003e, or \u003cstrong\u003eare black phantom tetras schooling fish\u003c\/strong\u003e often notice similar behaviour patterns across characins.\u003c\/p\u003e\n\u003cp\u003eMales display frequently, especially in mature groups. They angle their bodies, extend fins, and chase briefly without causing real harm when the tank is large enough. This makes them more interesting than many tetras and explains why some keepers call them the \u003cstrong\u003ebest black tetra for aquarium\u003c\/strong\u003e displays. If behaviour becomes too tense, increase cover, review group size, and check whether there are too many males in too little space.\u003c\/p\u003e\n\u003cp\u003eTo encourage natural behaviour, keep at least six, use subdued lighting, and avoid housing them with boisterous fish. A settled group in a planted aquarium is one of the best examples of a \u003cstrong\u003eschooling fish UK\u003c\/strong\u003e community display that looks natural rather than crowded.\u003c\/p\u003e\n\n\u003ch2 id=\"why-buy\"\u003eWhy Buy Nematobrycon Palmeri from Tropical Fish Co?\u003c\/h2\u003e\n\u003cp\u003eWhen customers search \u003cstrong\u003eblack emperor tetra for sale\u003c\/strong\u003e, \u003cstrong\u003eemperor tetra for sale\u003c\/strong\u003e, or \u003cstrong\u003enematobrycon palmeri for sale\u003c\/strong\u003e, they are usually trying to avoid weak, washed-out stock and mixed-sex groups that have not settled. For this species, condition matters. A good Emperor Tetra should arrive alert, evenly shaped, and already feeding on prepared foods. We select groups for strong body form, intact finnage, and the dark, elegant colour tone expected from \u003cstrong\u003eNematobrycon palmeri\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eBefore dispatch, fish are observed for feeding response and general health, then packed for transport in insulated boxes. During colder weather, heat packs are used where needed. Tracked delivery helps reduce time in transit, which is especially important for small shoaling fish. Because Emperor Tetras can look subdued straight after travel, we also recommend a calm acclimation process and low light on arrival.\u003c\/p\u003e\n\u003cp\u003eIf you are looking to \u003cstrong\u003ebuy black emperor tetra UK\u003c\/strong\u003e, \u003cstrong\u003ebuy black emperor tetra online UK\u003c\/strong\u003e, or compare \u003cstrong\u003eblack emperor tetra price UK\u003c\/strong\u003e, remember that a settled group is more valuable than the cheapest listing. This product is offered as a social unit, making it ideal for anyone wanting a \u003cstrong\u003eblack emperor tetra school for sale UK\u003c\/strong\u003e rather than trying to build a group one fish at a time. It is also a smart option for aquarists searching \u003cstrong\u003eblack emperor tetra buy online UK\u003c\/strong\u003e, \u003cstrong\u003eblack emperor tetra for sale UK\u003c\/strong\u003e, \u003cstrong\u003eemperor tetra black buy UK\u003c\/strong\u003e, \u003cstrong\u003eblack neon tetra buy\u003c\/strong\u003e, or \u003cstrong\u003eblack neon tetra for sale\u003c\/strong\u003e but deciding they want a more distinctive centrepiece tetra instead.\u003c\/p\u003e\n\u003cp\u003eOrder your Emperor Tetra group with confidence if you want a peaceful, dark-toned shoal for a planted community aquarium. With the right setup, these fish settle quickly and become one of the most graceful species in the tank.\u003c\/p\u003e\n\u003cdiv class=\"care-highlight\"\u003e\n  \u003ch4\u003eWhy Choose Tropical Fish Co for Nematobrycon Palmeri\u003c\/h4\u003e\n  \u003cul\u003e\n    \u003cli\u003eSold as a proper social group of 6, which helps reduce settling stress and improves natural shoaling behaviour\u003c\/li\u003e\n    \u003cli\u003eSelected for body shape, finnage quality, and the dark emperor look that makes this species stand out in planted tanks\u003c\/li\u003e\n    \u003cli\u003ePacked for UK conditions with insulated materials and acclimation guidance to help fish settle after transport\u003c\/li\u003e\n  \u003c\/ul\u003e\n\u003c\/div\u003e\n\n\u003ch2\u003eYou Might Also Like\u003c\/h2\u003e\n\u003cp\u003eBuild a more complete South American-style display with compatible and visually complementary species. Add extra \u003ca href=\"\/products\/emperor-tetras\"\u003eEmperor Tetras\u003c\/a\u003e if you want a larger shoal with stronger display behaviour. For a cooler blue contrast, consider \u003ca href=\"\/products\/blue-emperor-tetra\"\u003eBlue Emperor Tetras\u003c\/a\u003e. If you want a similar elegant characin with a different tone, try \u003ca href=\"\/products\/royal-tetra\"\u003eRoyal Tetras\u003c\/a\u003e. For brighter contrast in the same peaceful setup, \u003ca href=\"\/products\/lemon-tetras\"\u003eLemon Tetras\u003c\/a\u003e work beautifully. A mixed tetra display can also include \u003ca href=\"\/products\/pristella-maxillaris\"\u003eX-Ray Tetras\u003c\/a\u003e or \u003ca href=\"\/products\/blue-tetra\"\u003eBlue Tetra groups\u003c\/a\u003e in larger aquariums.\u003c\/p\u003e","brand":"Tropical Fish Co","offers":[{"title":"2 - 3 cm","offer_id":57379767681359,"sku":"2334","price":5.99,"currency_code":"GBP","in_stock":true},{"title":"3 - 4 cm","offer_id":57467446001999,"sku":"2335","price":5.99,"currency_code":"GBP","in_stock":true},{"title":"1.5-2 cm","offer_id":57560367300943,"sku":"SS34","price":3.99,"currency_code":"GBP","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1007\/1408\/6735\/files\/nematobrycon-palmeri-enhance-your-aquarium-with-6-x-nematobrycon-palmeri-bla-hero-driftwood-2334.webp?v=1776546379","url":"https:\/\/tropical-fish-co.myshopify.com\/products\/black-phantom-neon-lemon-nematobrycon-palmeri","provider":"Tropical Fish Co","version":"1.0","type":"link"}