Male Betta (Betta splendens) - Buy Online UK | Tropical Fish Co

Betta splendens

Super Delta Betta Female - Female Betta Fish UK

Beginner Friendly
Aggressive
£6.99In Stock

Beautiful Super Delta female betta fish, ideal for tropical setups with stable warmth. Buy online today for UK delivery and expert care support.

BettaFemale BettaFishFreshwaterLabyrinth FishModerate CareTropical FishUK Delivery

Care at a Glance

Scientific Name
Betta splendens
Adult Size
7 cm
Lifespan
3 years
Care Level
Easy
Temperament
Aggressive
Temperature
24–30°C
pH Range
6–7.5
Hardness
2–15 dGH
Minimum Tank
20L
Diet
Carnivore; betta pellets, frozen bloodworms, brine shrimp, daphnia

Premium Quality

Healthy, vibrant fish from trusted suppliers

Expert Care

Detailed care guides and support

Live Arrival Guarantee

Your fish arrives healthy or we'll replace it

Acclimated

Properly quarantined and ready for your tank

Quick Care Guide

Temperature
24–30°C
pH Range
6–7.5
Minimum Tank
20L
Adult Size
7 cm
Lifespan
3 years
Care Level
Easy
Temperament
Aggressive
Diet
Carnivore; betta pellets, frozen bloodworms, brine shrimp, daphnia
Water Hardness
2–15 dGH
Tank Region
Top

Water Parameters

Maintain these water conditions for optimal health and vibrant colors

Temperature
24–30°C
24°CIdeal Range30°C
pH Level
6–7.5
6Ideal Range7.5
Water Hardness
2–15 dGH
2 dGHIdeal Range15 dGH

Why Choose This Fish?

Beautiful Super Delta female betta fish, ideal for tropical setups with stable warmth. Buy online today for UK delivery and expert care support.

The Super Delta Betta Female, a striking form of Betta splendens, is one of the most rewarding choices for aquarists who want vivid colour, bold personality, and manageable betta fish care in a compact aquarium. While many shoppers start by asking about betta fish temperature, this fish offers far more than a simple care requirement. A healthy female betta fish reaches around 7 cm, can live for about 3 years with good care, and thrives in warm, stable tropical water. Native to Thailand and wider Southeast Asia, this classic siamese fighting fish is famous for graceful finnage, sharp awareness of its surroundings, and the ability to breathe atmospheric air using its labyrinth organ.

For beginners, the biggest success factor is understanding the right betta fish water temperature, betta fish tank size, and overall betta fish aquarium requirements. The best results come from a heated, filtered setup rather than a bowl or vase. See our detailed photos showing fin spread, body shape, and betta fish color variation in this randomly selected female. If you want a hardy but beautiful tropical show fish for a desk display, planted nano aquarium, or carefully planned community setup, this Super Delta female combines elegant looks with practical, beginner-friendly care when kept at the correct temperature for betta fish in celsius.

🔹 Quick Facts

  • Scientific Name: Betta splendens
  • Care Level: Easy
  • Min Tank Size: 20 litres (about 4.4 gallons)
  • Temperature: 24-30°C (75-86°F)
  • pH Range: 6.0-7.5
  • Lifespan: Up to 3 years
  • Temperament: Territorial but manageable
  • Diet: Carnivore

Classification

  • Order: Anabantiformes
  • Family: Osphronemidae
  • Genus: Betta

Betta splendens is the best-known member of the labyrinth fish group, valued in the aquarium hobby for its air-breathing ability, strong personality, and wide range of fin forms. The Super Delta is a selectively bred form known for broad tail spread and elegant finnage. Within the hobby, female forms are increasingly popular because they combine colour and activity with more flexible stocking options than many males.

Where Do Super Delta Bettas Come From? Natural Habitat Explained

The wild ancestors of the modern Super Delta Betta come from Thailand and nearby parts of Southeast Asia. In nature, betta fish habitat includes shallow rice paddies, floodplains, ditches, canals, and slow-moving pools rich in plant cover. These waters are often warm, soft to moderately hard, and low in oxygen compared with fast-flowing streams. That natural background explains why the correct betta fish aquarium temperature and gentle flow matter so much in captivity.

Because this is a selectively bred tropical betta UK strain rather than a wild-type fish, its colours and fin shape are more dramatic than those seen in natural populations. Still, the basic needs remain the same: warmth, cover, calm water, and easy access to the surface. In a well-designed siamese fighting fish aquarium, floating plants, broad leaves, and shaded zones help mimic the security these fish seek in the wild. This is also why betta fish with live plants often show better confidence, stronger feeding response, and brighter colour.

Many keepers searching for super delta betta tank ideas or super delta betta aquarium decoration get the best results by copying this natural look rather than building an open, brightly lit tank with too much current. Fine dark substrate, driftwood, Indian almond leaves, and plants like Anubias or Java fern create a more suitable environment. A super delta betta in planted tank conditions will usually spend more time exploring and less time hiding.

As a domestic form of the Siamese fighting fish UK hobby market, this fish is widely available, but quality varies. Strong body shape, smooth scales, alert posture, and clean fins are more important than chasing the most colourful betta fish alone. A healthy fish in the right environment will deepen in colour over time.

💡 Expert Tip

Mimicking the natural habitat with still water, broad-leaved plants, and shaded resting areas improves feeding confidence, reduces stress, and helps female bettas display more natural behaviour. In our experience, females settled into planted aquariums often colour up noticeably within 7-14 days.

How Do You Set Up the Perfect Tank for a Female Betta?

Getting the betta fish tank setup right is the difference between a fish that merely survives and one that thrives. Although this species is often marketed for tiny containers, the true betta fish minimum tank size is 20 litres, and a larger aquarium is usually easier to keep stable. If you are planning a betta fish nano tank setup, aim for 20-30 litres with a lid, heater, and gentle filtration.

What tank size does a female betta need?

The ideal betta fish tank size for one female is 20 litres minimum, with 25-40 litres preferred if you want easier maintenance and more decoration options. Extra space helps dilute waste, stabilise betta fish water parameters, and allow natural exploration. A bowl is not suitable, despite common searches about how to take care of a betta fish in a bowl. Bowls fluctuate too quickly in temperature and water chemistry.

What temperature should a betta fish tank be?

The best betta fish temperature is 24-30°C, with many keepers finding 25.5-27°C to be the sweet spot for everyday care. If you are asking what temperature should betta fish tank be, the answer is stable warmth rather than constant swings. The best temperature for betta fish is one that stays consistent day and night. The betta fish ideal temperature for most home aquariums sits around 26°C.

This means the recommended betta fish temperature range is broad enough for flexibility, but sudden changes are dangerous. The minimum temperature for betta fish should not be treated as a target. Likewise, the maximum temperature for betta fish should only be approached briefly in special situations such as controlled treatment, not routine keeping. If you wonder about temperature for betta fish celsius, betta fish temperature celsius, betta fish temperature in celsius, or the ideal temperature for betta fish in celsius, 24-30°C is the safe care band, with about 26°C ideal.

A common question is whether betta fish room temperature is enough. In most UK homes, no. Room temperature often drops too low, especially overnight or during winter. Betta fish temperature in winter is one of the biggest causes of lethargy and illness, so a reliable betta fish heater or betta fish water heater is essential. Searches like betta fish heater 1 gallon, mini heater for fish bowl, or betta fish heater walmart reflect the common mistake of trying to heat undersized containers. A proper aquarium heater in a suitable tank is far safer.

24-30°C
Temperature
6.0-7.5
pH
2-15 dGH
Hardness
20 L+
Minimum Tank

What water parameters are best?

Stable betta fish water parameters matter more than chasing a perfect number. The recommended betta fish pH level is 6.0-7.5, with slightly acidic to neutral water often preferred. Betta fish water hardness from 2-15 dGH is acceptable. These are the core betta fish ideal water conditions and form part of the fish’s overall betta fish optimal conditions.

What filter, substrate, and decor work best?

Use a sponge filter or a gentle internal filter with low flow. Strong current can exhaust long-finned bettas and damage fins. Fine dark gravel or smooth sand works well, especially with natural decor. For planting and shelter, broad-leaved species are ideal resting spots. If you are comparing female forms, the Female Super Delta Top Grade and Stunning Halfmoon Female Betta Splend Beautiful also benefit from heavily planted layouts.

Lighting should be moderate, around 6-8 hours daily, because excessive brightness can make a betta feel exposed. A sensible betta fish light schedule supports plant growth without stressing the fish. For aquarists exploring variety, a planted display can also suit a Blue Alien Hybrid Betta Female - or STUNNING Mix Plaket BETTA Female.

Quick Setup Checklist

  • Tank size of at least 20 litres
  • Heater set to 25.5-27°C
  • Low-flow filter or sponge filter
  • Lid to prevent jumping and retain warmth
  • Live or silk plants for cover
  • Water conditioner and fully cycled filter
  • Thermometer to monitor betta fish tank temperature

💡 Pro Tip

Always cycle the aquarium for 4-6 weeks before adding your fish. A stable biological filter protects against ammonia spikes and helps maintain the correct water temperature for betta fish and water quality together.

What Do Super Delta Female Bettas Eat? Complete Feeding Guide

The correct betta fish diet is high in protein because Betta splendens is a carnivore. In the wild, these fish eat insect larvae, tiny crustaceans, and other small invertebrates. In the aquarium, the best staple is a quality pellet made for siamese fighting fish food, supported by frozen or live treats such as bloodworms, daphnia, and brine shrimp.

Staple foods

Feed a dedicated betta pellet once or twice daily. Pellets should be small enough to swallow easily and rich in fish meal or insect protein. This is the base of good super delta betta care and a key part of any serious betta fish care guide.

Supplemental foods

Frozen bloodworms, brine shrimp, and daphnia add variety and can improve condition before breeding. These foods are especially useful when conditioning pairs for betta fish breeding. Variety also helps maintain strong colour and supports general betta fish health.

How often should you feed?

Most females do well with 2 small meals per day. Feed only what is eaten in 30-60 seconds. Overfeeding causes constipation and water fouling, which can quickly disrupt the betta fish tank temperature celsius stability and water chemistry in smaller aquariums. If you are learning how to take care of a betta fish for beginners, portion control is one of the simplest skills to master.

Time Food Amount
Morning Betta pellets 2-4 small pellets
Evening Pellets or frozen food 2-4 pellets or a small pinch

A common question is whether heating and diet are connected. They are. Fish digest best when the betta fish heater temperature is stable and within the proper range. If the water is too cool, appetite slows. If the water is overheated, metabolism can increase too far. This is why searches like betta fish temperature degrees and what temperature should betta fish tank be matter in feeding success too.

⚠️ Feeding Warning

Overfeeding causes ammonia spikes, bloating, and poor water quality. Remove uneaten food promptly, especially in smaller tanks where waste builds quickly.

STUNNING SUPER DELTA BETTA Female Betta — A good comparison if you want a similar fin type with different random colour selection.
Stunning Double Tail Female Betta Splend — An alternative female form for keepers interested in comparing body shape and feeding response.

What Does a Super Delta Female Betta Look Like?

The Super Delta female is bred for a wide tail spread that approaches the dramatic fan shape seen in more exaggerated varieties, but with a practical balance of beauty and swimming ability. Adult size is usually around 6-7 cm. Compared with many males, females often have a slightly shorter body profile and less exaggerated finnage, though quality females can still be very showy.

Betta fish color in this form can include red, blue, turquoise, lavender, marble, cellophane, or multicolour combinations. Some shoppers searching for a rainbow betta fish are really looking for these mixed or iridescent colour morphs. Randomly selected fish may also show metallic scaling, darker body wash, or pattern shifts as they mature. This relates to betta fish colour genetics, which can cause colour changes over time.

When comparing male betta vs female betta, females are usually less finnage-heavy and more streamlined, but they can still be intensely colourful. That makes them a great option for aquarists who want beauty without the extremely long fins of some males. If you enjoy comparing betta fish fin types, you may also want to view the Stunning Crowd Tail Female Betta Splend or the Halfmoon Butterfly Betta Male Betta Splendens.

Our photos show the finnage balance, body shape, and colour variation you can expect from a healthy freshwater betta UK specimen. While searches such as green betta fish for sale or delly fish betta may target specific shades or trade names, the real priority should be body condition, fin integrity, and alert behaviour.

What Fish Can Live With a Super Delta Female Betta? Compatibility Guide

Super delta betta tank mates must be chosen carefully. Although a female betta fish is often more flexible than a male, she is still a territorial siamese fighting fish. The best peaceful tank mates for betta are calm, non-fin-nipping species that occupy different areas of the aquarium and do not resemble another betta.

Ideal tank mates

In a suitably sized, well-planted aquarium, compatible options include Corydoras, Kuhli loaches, snails, and shrimp with caution. This is why many aquarists use a betta fish community tank guide before stocking. A larger siamese fighting fish tank with visual barriers gives the best chance of success.

Species Compatible? Notes
Blue Alien Hybrid Betta Female - ⚠️ Caution Only for experienced keepers in carefully managed female groups
STUNNING Mix Plaket BETTA Female ⚠️ Caution Possible in a large sorority, but not guaranteed
Snails ✅ Yes Usually ignored and useful for cleanup
Shrimp ⚠️ Caution May be hunted, especially smaller shrimp
Tiger barbs ❌ Avoid Fin nippers that stress bettas

Species to avoid

Avoid fin nippers, flashy male guppies, and other male bettas. Fast, aggressive fish can trigger stress and chasing. Even among females, not every combination works. If you want multiple bettas, research sorority care carefully and use a much larger tank with dense planting.

Community tank examples

For a single female, a 40-litre planted setup with 6 small Corydoras and a nerite snail can work well. In a larger aquarium, one female with bottom-dwellers and invertebrates is often safer than mixing with upper-level fish. This is especially true for keepers following a betta fish community tank guide for the first time.

Questions like how long does it take for water to get to room temperature for betta fish often come up during acclimation of tank mates. Do not rely on room temperature equalisation alone. Match both temperature and chemistry gradually. A fish can suffer betta fish temperature shock if moved too quickly between tanks.

💡 Compatibility Tip

Always quarantine new arrivals for 2-4 weeks before adding them to a betta aquarium. This reduces disease risk and gives you time to observe temperament before full introduction.

How Do You Breed a Super Delta Female Betta?

Betta fish breeding is rated moderate because pair selection, conditioning, and fry care all matter. A healthy female should be well fed, not overly thin, and old enough to breed safely. This is where good super delta betta care and stable betta fish water parameters pay off.

Breeding setup

Use a separate breeding tank of around 20-30 litres with shallow water, a heater set near 27-28°C, gentle filtration or no filter during spawning, and floating cover. The male usually builds a bubble nest. The female should be introduced carefully and removed if badly harassed.

Spawning behaviour

Typical betta fish behaviour includes flaring, circling, and eventual embrace under the bubble nest. After spawning, the male gathers eggs and places them into the nest. In most setups, the female is removed after spawning to prevent conflict.

Egg and fry care

Eggs usually hatch within 24-36 hours depending on temperature. Fry become free swimming after a few more days. At that point, the male is usually removed. Feed infusoria or liquid fry food first, then newly hatched brine shrimp as they grow.

Breeders interested in colour outcomes often study betta fish colour genetics and line breeding. If you are researching betta fish breeders uk, buy super delta betta UK, super delta betta for sale UK, or order super delta betta online UK, remember that healthy broodstock quality matters more than chasing a low super delta betta price UK.

Advanced Breeding Tip

Condition both fish for 10-14 days on a rich live or frozen diet before pairing. Females with strong body mass and males with active nest building usually produce better spawns and recover faster after breeding.

How Does a Super Delta Female Compare With Other Bettas?

Choosing between female betta types often comes down to finnage, activity level, and the look you want in the aquarium. The Super Delta offers a broad, elegant tail without always reaching the extreme drag of some Halfmoon lines. That can make it a practical choice for keepers who want beauty with good swimming ability.

Feature Super Delta Female Halfmoon Female
Max Size About 7 cm About 7 cm
Care Level Easy Easy to moderate
Temperature 24-30°C 24-30°C
Price £6.78 Varies
Best For Balanced finnage and active display Maximum tail spread

This is where comparisons like super delta betta vs halfmoon betta become useful. If you prefer slightly cleaner swimming lines and less exaggerated finnage, Super Delta is often the better choice. If you want the broadest possible tail spread, Halfmoon may appeal more.

Feature Super Delta Female Plakat Female
Finnage Longer, flowing Shorter, athletic
Swimming Style Graceful Faster and more direct
Tank Flow Tolerance Lower Slightly higher
Best For Show display tanks Active behaviour and simpler upkeep
Price £6.78 Varies

In super delta betta vs plakat betta comparisons, the plakat wins on athleticism while the Super Delta wins on flowing display. If you are exploring the best betta fish varieties or looking for the best betta fish for beginners, a female Super Delta is often an excellent middle ground.

For visual alternatives, compare this fish with the Stunning Halfmoon Female Betta Splend Beautiful, Stunning Double Tail Female Betta Splend, or STUNNING SUPER DELTA BETTA Female Betta.

What Health Problems Affect Female Bettas and How Can You Prevent Them?

Good betta fish health starts with stable warmth, clean water, and a sensible diet. Most common issues in this species are linked to stress, poor water quality, or incorrect temperature. If the betta fish water temp too cold, the fish may become sluggish, stop eating, and become more vulnerable to disease. If the betta fish water temperature too hot, breathing may become rapid and the fish may appear restless.

Signs of a healthy fish

A healthy female betta is alert, responsive, balanced in the water, and eager to feed. Fins should be open rather than clamped, and colour should be clear rather than washed out. These are useful siamese fighting fish facts for first-time keepers.

Temperature-related problems

Many people ask, is 84 degrees too hot for a betta fish? 84°F is about 28.9°C, which is within the upper safe range, but it should not swing upward suddenly. Betta 90 degree water is too hot for routine care and can cause severe stress. Likewise, how long can betta fish live in cold water depends on how cold and for how long, but prolonged exposure below the safe range weakens immunity fast.

If you see lethargy, clamped fins, loss of appetite, gasping, or sudden collapse after a water change, think about betta temperature shock symptoms. True betta fish temperature shock can happen after fast transfers, heater failure, or topping up with water at the wrong temperature. If you need to know how to warm betta fish water, do it slowly with a reliable heater, not by adding hot water directly. Searches for how to heat a betta tank without a heater are common, but in practice a proper heater is the safe solution.

⚠️ Health Warning

Never make sudden temperature changes. Raising or lowering the tank by more than about 1°C in a short period can trigger stress, immune suppression, and shock.

Quarantine Protocol

  • Use a separate heated tank for 2-4 weeks
  • Match betta fish tank temperature before transfer
  • Observe appetite, fins, and respiration daily
  • Test ammonia and nitrite regularly
  • Treat only when symptoms are clear and diagnosis is likely

What Is Normal Female Betta Behaviour?

Understanding betta fish behaviour helps you tell the difference between personality and stress. A settled female is curious, often patrols the upper and middle levels, and may inspect plants, glass, and feeding areas. She may rest on leaves near the surface because Betta splendens uses a labyrinth organ to breathe air.

Females are generally less aggressive than males, but they are not passive community fish. They establish territory, respond to reflections, and may flare occasionally. In a well-structured siamese fighting fish tank, this behaviour is normal. Constant pacing, glass surfing, or hiding can suggest poor layout, excessive flow, or incorrect betta fish aquarium temperature.

A super delta betta in planted tank conditions usually shows the best natural behaviour: short patrols, leaf resting, active feeding, and occasional display. This is one reason many keepers consider female bettas among the best betta fish for beginners when housed correctly.

Why Buy a Super Delta Female Betta from Tropical Fish Co?

If you are looking to buy betta fish UK, choosing a healthy, well-settled fish matters more than buying on colour alone. Our Super Delta females are selected for alert posture, clean finnage, and good feeding response. Because this listing is for a randomly selected fish, each specimen is individual in pattern and shade, but every fish is checked for body condition and swimming ability before dispatch.

For customers searching betta fish for sale UK, female betta for sale UK, buy betta fish online UK, live betta fish for sale UK, or siamese fighting fish for sale, we focus on practical health standards. Fish are held under warm, stable conditions, observed before shipping, and packed in insulated materials suitable for betta fish delivery UK. During colder periods, heat support is used as needed to protect against betta fish temperature in winter risks.

Customers often ask where can i buy betta fish uk, best place to buy betta fish uk, where to buy betta fish uk cheap, or which betta fish shop UK offers reliable livestock. The better question is whether the fish has been properly conditioned, packed, and supported with clear care guidance. We include practical advice on acclimation, feeding, and maintaining the right temperature for betta fish tank after arrival.

If you want a colourful live betta fish UK display fish with manageable care needs, this is a smart choice for planted nano aquariums and calm tropical setups. Whether you call it a fighter fish for sale UK, siam betta fish uk, or simply a beautiful betta fish UK specimen, the essentials remain the same: health, warmth, and careful packing.

Why Choose Tropical Fish Co for Super Delta Female Bettas

  • Each female is checked for finnage condition, alert behaviour, and feeding response before dispatch
  • Insulated packing helps protect tropical fish during UK transit, especially in colder months
  • Clear care guidance supports correct acclimation, heating, and long-term success at home

You Might Also Like

If you are building a female betta display or comparing forms, take a look at the Female Super Delta Top Grade for another elegant tail shape, the Stunning Halfmoon Female Betta Splend Beautiful for broader finnage, and the Blue Alien Hybrid Betta Female - for a more unusual metallic look. If you prefer shorter fins and stronger swimming, the STUNNING Mix Plaket BETTA Female is worth comparing. For a more dramatic body form, consider the Stunning Double Tail Female Betta Splend. And if you want to compare female and male display impact, view the Halfmoon Butterfly Betta Male Betta Splendens.