Diamond Flame Tetra (Hyphessobrycon erythrostigma) - UK

If you want a shoal that glows like moving embers, the Diamond Flame Tetra is one of the most rewarding choices in freshwater tropical fish UK aquariums. Sold here as a group of six, these lively South American characins bring warm red-orange colour, gentle movement, and true community-tank character to a well-planned setup. In the trade, this fish is often associated with the flame tetra group, and for practical aquarium care the species data used here follows Hyphessobrycon flammeus, a peaceful Brazilian tetra valued for its glowing body colour and easygoing temperament. Adult fish reach around 4 cm, live for about 4 years with stable care, and do best in a planted aquarium with soft to moderately hard water, subdued lighting, and a proper shoal.

This page works as a full diamond flame tetra: a sparkling ember in the aquarium scientific name: hyphessobrycon erythrostigma flame tetra care guide, covering habitat, feeding, breeding, water chemistry, and compatibility in detail. If you are researching how to care for diamond flame tetra: a sparkling ember in the aquarium scientific name: hyphessobrycon erythrostigma flame tetra, wondering about diamond flame tetra: a sparkling ember in the aquarium scientific name: hyphessobrycon erythrostigma flame tetra tank size, or comparing them with other tetras for sale UK, this guide answers the real questions fishkeepers ask before buying. See our detailed photos showing the warm ember-red body, transparent fins, and schooling posture that make this species such a standout in a peaceful tropical freshwater fish display. For aquarists building a colourful, active, and manageable shoal, these are among the best-value community tank fish UK options available.

Where Do Diamond Flame Tetras Come From? Natural Habitat Explained

The aquarium form of the flame tetra is linked to southeastern Brazil, especially the Rio de Janeiro region. In nature, these fish inhabit slow-moving creeks, marginal waters, smaller tributaries, and plant-lined stretches where leaf litter, roots, and overhanging vegetation soften the light. That background explains why a diamond flame tetra: a sparkling ember in the aquarium scientific name: hyphessobrycon erythrostigma flame tetra habitat style setup works so well in the home aquarium: they are not fish from bright, bare, fast-flowing channels.

Wild conditions are usually warm, slightly acidic to neutral, and rich in microscopic food. Tiny crustaceans, insect larvae, organic matter, and soft plant material all play a role in the natural diet. This is why the species adapts so well to mixed prepared and frozen feeding in captivity. Aquarists looking for a true diamond flame tetra: a sparkling ember in the aquarium scientific name: hyphessobrycon erythrostigma flame tetra for planted aquarium fish will find that this species behaves more confidently when there is cover around the edges and open swimming space in the centre.

Because they evolved in visually broken environments, colour contrast matters. Dark sand, scattered wood, and fine-leaved plants help the red body tones show more strongly. A blackwater-style touch is optional, but tannins from botanicals or wood can make the fish appear calmer and more saturated in colour. Their natural setting also explains the preferred diamond flame tetra: a sparkling ember in the aquarium scientific name: hyphessobrycon erythrostigma flame tetra water flow preference: gentle to moderate flow rather than a torrent.

For hobbyists keeping South American tetras UK collections, this species fits beautifully into a soft-water biotope or a modern planted community. It is a classic example of colourful schooling fish UK aquarists can keep without needing a huge tank, and it remains one of the more accessible nano fish UK options for those who want movement and colour without aggression.

How Do You Set Up the Perfect Tank for Diamond Flame Tetras?

A well-designed setup is the difference between a merely healthy shoal and a truly impressive display. If you are planning a full diamond flame tetra: a sparkling ember in the aquarium scientific name: hyphessobrycon erythrostigma flame tetra tank setup, start by thinking in terms of group behaviour rather than single-fish care. These are social fish, so the tank must support swimming room, visual security, and stable water chemistry.

What tank size do they need?

The practical diamond flame tetra: a sparkling ember in the aquarium scientific name: hyphessobrycon erythrostigma flame tetra tank size minimum is 60 litres, which matches the species care data. A diamond flame tetra: a sparkling ember in the aquarium scientific name: hyphessobrycon erythrostigma flame tetra in 60 litre tank setup can work well for a group of 6 to 8 if filtration is mature and stocking is sensible. That said, a 75-90 litre aquarium gives a much better result, especially if you want a fuller diamond flame tetra: a sparkling ember in the aquarium scientific name: hyphessobrycon erythrostigma flame tetra shoal size of 10 or more.

Why the extra space? In larger groups they display more natural schooling behaviour, spread minor social tension, and show stronger colour. A small group in a cramped tank can become nervous and less active. For anyone researching diamond flame tetra: a sparkling ember in the aquarium scientific name: hyphessobrycon erythrostigma flame tetra minimum group size, six is the baseline, but eight to twelve is better.

What water parameters are best?

The ideal diamond flame tetra: a sparkling ember in the aquarium scientific name: hyphessobrycon erythrostigma flame tetra water parameters are:

For best long-term health, aim for a stable diamond flame tetra: a sparkling ember in the aquarium scientific name: hyphessobrycon erythrostigma flame tetra temperature of 24-26°C. The broader diamond flame tetra: a sparkling ember in the aquarium scientific name: hyphessobrycon erythrostigma flame tetra water temperature range of 22-28°C is tolerated, but sudden swings are not. The preferred diamond flame tetra: a sparkling ember in the aquarium scientific name: hyphessobrycon erythrostigma flame tetra pH requirements for colour and breeding success are slightly acidic to neutral, around pH 6.2-7.0.

What filter and flow should you use?

Use a mature internal filter, hang-on-back filter, or gentle external canister with good biological media. You want clean water and oxygenation without blasting the shoal around the tank. This species appreciates soft current and calm areas behind wood or plants. If you are building a community around small characins and pencilfish, a gentle layout also suits species such as Dwarf Pencilfish Tropical Fish Aquarium Tank.

What substrate, plants, and décor work best?

Fine dark sand or smooth dark gravel is ideal. It reflects less light upward, reduces skittishness, and makes the red body colour stand out. Add driftwood, root structures, and patches of dense planting around the rear and sides. Good plant choices include Java fern, Cryptocoryne, Amazon swords, Limnophila, and floating plants to diffuse light. A mixed tetra display can also be enhanced with species like x Neon Blue Tetra: A Dazzling or X Penguin Tetra: A Graceful and, which enjoy similar planted layouts.

A diamond flame tetra: a sparkling ember in the aquarium scientific name: hyphessobrycon erythrostigma flame tetra planted tank setup should leave open midwater lanes for schooling. Avoid cluttering the whole tank with hardscape. Think “framed open space” instead of “solid jungle”.

How much light do they need?

The species has modest diamond flame tetra: a sparkling ember in the aquarium scientific name: hyphessobrycon erythrostigma flame tetra lighting requirements. Moderate lighting for 6-8 hours daily is enough for the fish; plant needs may extend that slightly. Strong, direct light with no floating cover can make them fade and hide. If you are planning a mixed tetra layout, a diamond flame tetra: a sparkling ember in the aquarium scientific name: hyphessobrycon erythrostigma flame tetra neon tank setup works especially well with subdued light, dark décor, and a green planted background.

What Do Diamond Flame Tetras Eat? Complete Feeding Guide

The species is an omnivore, which makes the diamond flame tetra: a sparkling ember in the aquarium scientific name: hyphessobrycon erythrostigma flame tetra diet straightforward but worth doing properly. In the wild they pick at tiny invertebrates, insect matter, and organic particles. In the aquarium, the best results come from variety rather than relying on one flake food forever. This is the core of any sensible diamond flame tetra: a sparkling ember in the aquarium scientific name: hyphessobrycon erythrostigma flame tetra feeding guide.

Staple foods

Use a high-quality tropical micro pellet or fine flake as the daily base. Because these fish feed in the midwater zone, choose foods that soften quickly and remain suspended for a short time. Crushed flakes work well for newly settled fish. A well-fed shoal shows brighter colour, fuller body shape, and more confident movement.

Supplemental foods

For better conditioning, offer frozen cyclops, daphnia, baby brine shrimp, and finely chopped bloodworm 2-4 times per week. These foods support growth, courtship, and immune condition. If you are keeping this species as part of a best diamond flame tetra: a sparkling ember in the aquarium scientific name: hyphessobrycon erythrostigma flame tetra for community tank display, varied feeding also reduces competitive nipping at mealtimes.

Treats and colour support

Astaxanthin-rich foods and quality frozen foods can deepen the orange-red tones. This matters if you want the most colourful diamond flame tetra: a sparkling ember in the aquarium scientific name: hyphessobrycon erythrostigma flame tetra for aquarium presentation. Feed sparingly but consistently rather than dumping in large “treat” meals once a week.

How often should they be fed?

Feed adults twice daily in portions they can finish within 30-60 seconds. Juveniles may benefit from three small meals. This approach keeps water cleaner and matches their natural grazing pattern. It also supports diamond flame tetra: a sparkling ember in the aquarium scientific name: hyphessobrycon erythrostigma flame tetra health and reduces digestive stress.

Time	Food	Amount
Morning	Fine tropical flake or micro pellet	Small pinch, eaten in under 1 minute
Evening	Frozen daphnia, cyclops, or baby brine shrimp	Very small portion, no leftovers

If you are browsing freshwater tropical fish for sale uk and wondering whether this species is demanding to feed, the answer is no. They are among the easier tropical freshwater fish uk choices for mixed diets. They also fit well into a standard tropical fish tank routine without specialist live food culture, although live foods do help when conditioning for spawning.

What Does the Diamond Flame Tetra Look Like? Colors, Patterns & Varieties

The classic adult diamond flame tetra: a sparkling ember in the aquarium scientific name: hyphessobrycon erythrostigma flame tetra size is about 4 cm, with a laterally compressed body typical of small characins. The body glows orange-red to ruby depending on mood, age, diet, and lighting. Transparent to lightly tinted fins keep the fish looking refined rather than heavy, and the overall effect is a warm ember-like flash as the shoal turns in unison.

This species is especially attractive over dark substrate, where the metallic warmth in the flanks becomes more obvious. In bright bare tanks, the fish can appear paler. In planted layouts with tannin-stained water or shaded edges, they become noticeably richer in tone. That is one reason they remain a favourite among keepers of schooling fish UK aquariums.

For aquarists researching diamond flame tetra: a sparkling ember in the aquarium scientific name: hyphessobrycon erythrostigma flame tetra male vs female, males are usually slimmer, more intensely coloured, and may show slightly more extended finnage. Females are often rounder through the belly, especially when carrying eggs. During conditioning, the difference becomes easier to spot.

Although not a fish with a wide range of formal morphs, quality and condition matter a lot. Well-grown specimens in stable water look far better than stressed stock in bright dealer tanks. Our product images help show the warm body sheen and the schooling effect that makes a group more impressive than a single fish.

What Fish Can Live With Diamond Flame Tetras? Compatibility Guide

This species is widely considered a diamond flame tetra: a sparkling ember in the aquarium scientific name: hyphessobrycon erythrostigma flame tetra peaceful community fish. It is active but not boisterous, social but not territorial, and confident when kept in proper numbers. That makes it one of the best tetras for community tank setups where the goal is colour and movement without aggression.

Ideal tank mates

Good companions are other small, peaceful fish that share similar temperature and water preferences. Strong matches include x Neon Blue Tetra: A Dazzling, X Penguin Tetra: A Graceful and, Dwarf Pencilfish Tropical Fish Aquarium Tank, and x Albino Cherry Barb: A Gentle. In slightly larger tanks, a calm centrepiece such as X Cobalt Dwarf Gourami - Trichogaster can work if the gourami is not overly dominant.

They also combine nicely with other peaceful characins such as X Red-Blue Columbian Tetra: A Vibrant when tank size allows, though the Columbian tetra is more energetic and better suited to larger aquariums.

What species should be avoided?

Avoid fin-nippers, large predatory fish, and hyperactive species that outcompete them at feeding time. Puffers are a poor match, so a species like Indian Dwarf Pea Malabar Pygmy Puffer should be kept separately. Very large cichlids and aggressive barbs are also unsuitable.

Can they live with shrimp?

The answer to diamond flame tetra: a sparkling ember in the aquarium scientific name: hyphessobrycon erythrostigma flame tetra with shrimp is “sometimes, with caution”. Adult shrimp may be left alone in a heavily planted tank, but shrimplets are likely to be eaten. Snails are usually fine. If shrimp breeding is your priority, choose a shrimp-only setup instead.

How many should be kept together?

This is a true diamond flame tetra: a sparkling ember in the aquarium scientific name: hyphessobrycon erythrostigma flame tetra schooling fish. The recommended diamond flame tetra: a sparkling ember in the aquarium scientific name: hyphessobrycon erythrostigma flame tetra minimum group size is 6, but 8-12 is ideal. A larger shoal looks better, behaves more naturally, and spreads social pressure more evenly.

Species	Compatible?	Notes
x Neon Blue Tetra: A Dazzling	✅ Yes	Similar size, peaceful temperament, ideal for planted tetra communities
x Albino Cherry Barb: A Gentle	✅ Yes	Calm, colourful, and suitable for mixed community stocking
Indian Dwarf Pea Malabar Pygmy Puffer	❌ Avoid	Puffers may nip fins and are not suitable community companions

If you are comparing diamond flame tetra: a sparkling ember in the aquarium scientific name: hyphessobrycon erythrostigma flame tetra vs neon tetra, the flame tetra offers warmer colour and a slightly more classic “ember” look, while neon tetras bring a cooler blue-red stripe. In a diamond flame tetra: a sparkling ember in the aquarium scientific name: hyphessobrycon erythrostigma flame tetra vs cardinal tetra comparison, cardinals often prefer softer, warmer, more stable water and show a bolder stripe pattern. Against livebearers in a diamond flame tetra: a sparkling ember in the aquarium scientific name: hyphessobrycon erythrostigma flame tetra vs guppy comparison, flame tetras are usually the better choice for soft-water planted communities. In a diamond flame tetra: a sparkling ember in the aquarium scientific name: hyphessobrycon erythrostigma flame tetra vs rasbora choice, rasboras often suit Asian-themed tanks, while flame tetras fit South American displays. And for diamond flame tetra: a sparkling ember in the aquarium scientific name: hyphessobrycon erythrostigma flame tetra vs ember tetra, ember tetras stay smaller and subtler, while flame tetras are chunkier and more visually assertive.

How Do You Breed Diamond Flame Tetras? Complete Breeding Guide

The species is usually considered easy to moderate to breed, which makes diamond flame tetra: a sparkling ember in the aquarium scientific name: hyphessobrycon erythrostigma flame tetra breeding achievable for prepared hobbyists. A separate breeding tank gives much better survival than hoping eggs will make it in a busy community setup.

Breeding setup

Use a 20-30 litre spawning tank with soft, slightly acidic water, dim lighting, and a temperature around 26°C. Fine-leaved plants or spawning mops help catch scattered eggs. Keep filtration minimal and gentle, such as an air-driven sponge filter. This is the most reliable diamond flame tetra: a sparkling ember in the aquarium scientific name: hyphessobrycon erythrostigma flame tetra tank setup for breeding rather than display.

Conditioning and spawning

Condition males and females separately if possible on frozen daphnia, baby brine shrimp, and quality prepared foods. A ripe female will look fuller in the belly, while the male becomes more intense in colour. Early morning light often triggers spawning. The pair or group will scatter adhesive eggs among plants.

Egg care and hatching

Remove the adults after spawning because they may eat the eggs. Keep the tank dim, as eggs and fry can be light-sensitive. Hatching usually occurs within 24-36 hours depending on temperature, and fry become free-swimming a few days later.

Fry care

Start with infusoria or powdered fry food, then move to newly hatched brine shrimp as they grow. Daily small water changes with matched parameters help survival. This matters if you want to raise healthy young rather than just achieve spawning once.

For aquarists searching best place to buy tropical fish online uk or planning to buy aquarium fish online uk, breeding success often depends less on the fish and more on receiving well-conditioned stock, then giving them stable water and proper food. That is also why many keepers who buy live fish online uk free delivery look for sellers who dispatch healthy, settled shoals rather than freshly imported fish.

Diamond Flame Tetra vs Similar Species: Which Should You Choose?

Small red schooling fish are a popular category, so comparison matters. If you are choosing between different tetras for sale UK listings, think about tank size, desired colour tone, and the overall style of your community aquarium.

Feature	Diamond Flame Tetra	Neon Blue Tetra
Max Size	4 cm	Around 3.5-4 cm
Care Level	Easy to moderate	Easy
Temperature	22-28°C	23-27°C
Price	£12.58	Varies by listing
Best For	Warm red colour in planted communities	Blue-red contrast in classic tetra displays

Feature	Diamond Flame Tetra	Penguin Tetra
Swimming Style	Tight shoaling, flickering turns	More gliding, line-pattern display
Visual Impact	Red-orange ember tones	Bold black stripe and silver body
Best Tank Theme	Warm planted South American setup	Mixed community with strong contrast
Group Appeal	Excellent in 8-12	Excellent in 8-10
Best For	Colour warmth and beginner-friendly care	Pattern contrast and active schooling

Choose the Diamond Flame Tetra if you want a red-toned shoal that suits a planted aquarium, stays manageable in a 60 litre-plus tank, and works as a diamond flame tetra: a sparkling ember in the aquarium scientific name: hyphessobrycon erythrostigma flame tetra for beginners option. Choose neon-style tetras if you prefer cooler blue highlights. Choose penguins if line pattern matters more than warm colour. For many fishkeepers building a classic planted community, the flame tetra is the more versatile middle ground.

What Are the Common Health Problems in Diamond Flame Tetras and How Can You Prevent Them?

Good diamond flame tetra: a sparkling ember in the aquarium scientific name: hyphessobrycon erythrostigma flame tetra health starts with stable water, proper shoal size, and careful acclimation. A healthy fish is alert, feeding eagerly, schooling with confidence, and showing even colour without clamped fins or laboured breathing.

Common issues

Like many small characins, they can suffer from ich, bacterial fin damage, wasting from internal parasites, and stress-related fading after transport. Most diamond flame tetra: a sparkling ember in the aquarium scientific name: hyphessobrycon erythrostigma flame tetra diseases are linked to poor water quality, sudden temperature change, or adding fish to an immature tank.

What symptoms should you watch for?

Warning signs include white spots, rapid gill movement, frayed fins, hollow bellies, isolation from the shoal, and refusal to feed. Because these fish are social, a single individual hanging back often signals a problem before obvious disease appears.

How do you prevent problems?

Keep nitrate controlled with weekly water changes, avoid overfeeding, and maintain the recommended diamond flame tetra: a sparkling ember in the aquarium scientific name: hyphessobrycon erythrostigma flame tetra water parameters. Quarantine all new fish, especially if you buy from mixed-stock systems. Stable temperature matters more than chasing an exact pH number every few days.

What Is Diamond Flame Tetra Behavior Like in the Aquarium?

The typical diamond flame tetra: a sparkling ember in the aquarium scientific name: hyphessobrycon erythrostigma flame tetra behaviour is active, social, and peaceful. They occupy the middle levels, turning as a group and flashing colour when they catch the light. In a proper shoal they are confident and visible for much of the day.

Because they are a true social species, understocking changes behaviour. A pair or trio may become shy, pale, or skittish. A full group behaves like a proper diamond flame tetra: a sparkling ember in the aquarium scientific name: hyphessobrycon erythrostigma flame tetra schooling fish, moving together and settling quickly after disturbance.

They are not especially territorial, but males may display to each other with subtle posture and colour intensification. This is normal and usually harmless. Their gentle temperament is one reason they are often recommended as best diamond flame tetra: a sparkling ember in the aquarium scientific name: hyphessobrycon erythrostigma flame tetra for community tank fish for planted aquariums.

To encourage natural behaviour, keep them in groups, use edge planting, avoid harsh lighting, and choose similarly peaceful tank mates. Done correctly, their movement becomes one of the most attractive features of the aquarium.

Why Buy Diamond Flame Tetras from Tropical Fish Co?

When people search where to buy diamond flame tetra: a sparkling ember in the aquarium scientific name: hyphessobrycon erythrostigma flame tetra UK, they are usually looking for more than a low diamond flame tetra: a sparkling ember in the aquarium scientific name: hyphessobrycon erythrostigma flame tetra price UK. They want active fish, accurate care guidance, and safe transport. That matters with schooling species, because a settled, evenly sized group adapts far better than a random mix of stressed individuals.

Our approach focuses on sending shoal-ready fish that are feeding well and suited to community aquarium life. Before dispatch, groups are observed for swimming behaviour, feeding response, and visible health. That is especially important for fish sold in sixes, because consistency across the group helps them settle faster on arrival. For customers browsing diamond flame tetra: a sparkling ember in the aquarium scientific name: hyphessobrycon erythrostigma flame tetra for sale UK, live diamond flame tetra: a sparkling ember in the aquarium scientific name: hyphessobrycon erythrostigma flame tetra for sale UK, or planning to order diamond flame tetra: a sparkling ember in the aquarium scientific name: hyphessobrycon erythrostigma flame tetra online UK, that preparation makes a real difference.

Fish are packed for travel in insulated boxes, with heat support in cold weather when needed, and sent using tracked delivery methods designed for live aquatic livestock. That helps answer common questions around diamond flame tetra: a sparkling ember in the aquarium scientific name: hyphessobrycon erythrostigma flame tetra delivery UK, live tetras delivery UK, and buy live fish online uk free delivery style searches. If you are comparing sellers while searching freshwater fish for sale uk, live fish for sale uk, or buy tropical fish online uk free delivery, look closely at how fish are packed and whether care support is included after purchase.

We also provide practical guidance for acclimation, shoal size, and feeding, so buyers asking diamond flame tetra: a sparkling ember in the aquarium scientific name: hyphessobrycon erythrostigma flame tetra buy online UK, buy diamond flame tetra: a sparkling ember in the aquarium scientific name: hyphessobrycon erythrostigma flame tetra UK, or diamond flame tetra: a sparkling ember in the aquarium scientific name: hyphessobrycon erythrostigma flame tetra shop UK can order with a clearer idea of what the fish need on day one. If you want a warm-coloured shoal for a planted community, this is one of the most dependable choices in the freshwater tropical fish UK category.

What Else Do You Need to Complete the Setup?

If you are building a calm South American-style community, consider adding x Neon Blue Tetra: A Dazzling for cool colour contrast, X Penguin Tetra: A Graceful and for bold patterning, or Dwarf Pencilfish Tropical Fish Aquarium Tank for a gentle top-level companion. For a slightly different colour accent, x Albino Cherry Barb: A Gentle can work well in peaceful mixed communities. If you are still comparing options in the freshwater tropical fish UK collection, you will find other small shoaling species suited to planted tanks and community layouts. For aquarists seeking extra movement and colour in larger aquariums, X Red-Blue Columbian Tetra: A Vibrant offers a more energetic alternative.