Moderate
Hellboy Plakat Betta Male XL (Betta splendens)
24–28°C · pH 6.5–7.5 · 40L
£33.99
Yellow Hellboy HMPK male Betta splendens in the supplier XL size class. One male per quantity; provide a mature, heated and furnished aquarium.
Adult size is the maximum length this species reaches at full maturity (scientific sources). The livestock you receive will be younger and smaller — pick a size variant above for the actual shipping size. Product-photo provenance and any image-specific limitations are stated on the listing.
Betta splendens
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Yellow Hellboy HMPK male Betta splendens in the supplier XL size class. One male per quantity; provide a mature, heated and furnished aquarium.
Adult size is the maximum length this species reaches at full maturity (scientific sources). The livestock you receive will be younger and smaller — pick a size variant above for the actual shipping size. Product-photo provenance and any image-specific limitations are stated on the listing.
24–28°C · pH 6.5–7.5 · 40L
24–30°C · pH 6–8 · 20L
24–30°C · pH 6–7.5 · 20L
18–26°C · pH 6.5–8 · 30L
The betta fish is one of the most popular and most misunderstood freshwater species. This guide covers everything from proper tank size to the truth about tank mates.
Maintain these water conditions for optimal health and vibrant colors
The Yellow Hellboy HMPK Male Betta is a domestic ornamental form of Betta splendens, the Siamese fighting fish. This listing is for one male fish in the supplier's XL size class. "XL" is a trade size band rather than a guaranteed body length, so the exact size, colour balance, markings and fin proportions of a living fish will vary. The supplier identifies the line as Yellow Hellboy and the form as HMPK, short for Halfmoon Plakat.
This is a warm-water, territorial labyrinth fish for a mature, furnished aquarium. A single male is the safest starting plan. Give him a secure lid, unobstructed access to the surface, gentle filtration and enough planted space to swim, rest and move away from his reflection. Care is best treated as moderate: the daily routine is straightforward, but stable heat, biological filtration and thoughtful male management are essential.
Image note: the gallery contains representative colour and form references based on source media; it is not a set of exact specimen photographs. One live male fish is supplied per quantity. The second gallery image shows two illustrative males for colour reference only and is not a compatibility example. Never house two male Betta splendens together.
| Feature | Care guidance |
|---|---|
| Scientific name | Betta splendens |
| Ornamental label | Yellow Hellboy HMPK male; a domestic trade colour and fin-form label |
| Sale unit | One male fish per quantity |
| Supplier size class | XL; exact dispatch length is not guaranteed |
| Recorded species length | Up to 6.5 cm total length in FishBase; individual domestic fish vary |
| Care level | Moderate |
| Practical aquarium baseline | About 20 litres or more for one male, furnished and fully cycled; a larger aquarium is easier to stabilise |
| Temperature | 24-30°C documented range; a stable 25-28°C is a practical home target |
| Water chemistry | pH 6.0-8.0; approximately 5-19 dGH |
| Social plan | Keep one male; do not combine males or maintain constant visual contact between them |
| Diet | Suitable prepared Betta food with varied frozen or safely cultured invertebrate foods |
| Important equipment | Thermostatic heater, thermometer, gentle filter, secure lid and water-test kit |
Yellow Hellboy is an ornamental trade label used for selected domestic Bettas with a yellow-to-golden presentation and contrasting pattern. It is not a wild locality, a subspecies or a zoological name. Colour-line names can also be used a little differently by breeders and suppliers. For that reason, the listing identifies the exact supplier label without promising that every fish will show an identical shade, mask, scale pattern or caudal marking.
HMPK is the common abbreviation for Halfmoon Plakat. "Plakat" refers to the short-fin domestic form, while "Halfmoon" refers to the broad caudal ideal used in the show hobby. International Betta Congress standards are exhibition standards, not a guarantee that every retail fish will display a perfect show spread. A resting, newly arrived or unstimulated Betta may hold its fins differently, and individual form varies. This fish is therefore sold under the supplier's HMPK trade classification rather than as a certified show grade.
Short-fin males generally carry less trailing fin tissue than long-fin Halfmoon or Veiltail forms. That can make their movement look more direct and athletic, but it does not make them a different species or remove the need for calm flow. Every domestic form still has the same core requirements: warm clean water, surface air access, cover, appropriate food and protection from other males.
The scientific identity is Betta splendens, in the family Osphronemidae. The common names Betta, Siamese fighting fish and male Betta all refer to the species in this listing. Trade labels describe the selected colour and fin form, but they do not change the fish's core species care.
Each quantity buys one male Yellow Hellboy HMPK Betta. It does not buy a pair, two males, a breeding group or the two illustrative fish seen in one gallery image. If the quantity selector is increased, each unit still represents an individual male and each male needs a separate, secure housing plan that prevents fighting and persistent visual confrontation.
The supplier records this fish as XL. Size labels are useful for comparing supplier stock, but they are not universal centimetre standards and they can describe overall market class rather than one exact measurement. FishBase records 6.5 cm as the maximum total length for the species. A dispatched domestic fish may be smaller, may continue growing, and may have fins that change the apparent silhouette. The listing therefore does not turn "XL" into an unsupported centimetre promise.
Living colour is also variable. A Betta may look darker or paler during transport, settling, display, stress or different lighting. Yellow may range through lemon, gold, mustard or warm orange tones, while blue or darker pattern can vary in area and intensity. This variation is normal in selected live fish and is not a reason to expect an exact pixel-for-pixel copy of a representative image.
Betta splendens is native to Southeast Asia, with FishBase recording the Mekong basin. Wild habitat includes standing floodplain water, canals, rice paddies and river environments. University of Florida IFAS describes shallow, warm habitat with heavy vegetation and naturally low flow. Domestic ornamental lines have been selectively bred for colour and finnage, but the species' anatomy and behaviour still reflect those environments.
The most important adaptation is the labyrinth organ, a specialised structure above the gills that allows a Betta to take atmospheric air at the surface. This does not mean water quality or dissolved oxygen can be ignored. It means the fish must be able to reach a clean, unobstructed surface and breathe beneath the lid. Floating plants should leave open patches, and hardscape should never trap the fish away from the surface.
Wild Bettas feed on zooplankton, mosquito larvae and other small insect larvae. They live among vegetation and use structure for shelter, territory and reproduction. A responsible home aquarium translates those facts into a varied protein-rich diet, gentle circulation, planted cover, shaded resting areas and a layout that offers both open swimming space and visual security.
Shallow wild water is often misunderstood as proof that a tiny bowl is suitable. Habitat area, water renewal, vegetation and ecological complexity are not the same as a small unfiltered container. FishBase explicitly discourages holding males in very small containers. Modern welfare research also shows that space and furnishings change behaviour, so the aquarium should be planned around stable water and normal activity rather than the smallest volume in which a Betta can survive.
For one male, use about 20 litres as a practical furnished-home baseline, and choose a larger aquarium when space allows. In a 2024 crossover study, male Bettas in furnished 19.3-litre tanks were more active and showed fewer abnormal behaviours than in smaller tanks; barren 19.3-litre housing also performed worse than furnished housing. The study supports both space and environmental complexity rather than a volume number alone.
A larger aquarium usually gives more thermal inertia, more dilution of waste and more room for a proper filter, plants and separate activity zones. It also creates a wider margin for a new keeper learning water testing and maintenance. Twenty litres should therefore be read as a practical starting baseline for one male, not an ideal maximum and not permission to use an unfurnished cube with nowhere to explore.
Footprint matters. A wide rectangular aquarium provides a longer swimming route and more surface area than a tall narrow vessel of the same volume. Bettas use the upper water and return to the surface regularly, so excessive height offers less benefit than accessible horizontal space. A shallow-to-moderate water column with plants at several levels is often easier for the fish to use.
Bowls, vases and novelty containers make heating, filtration, testing and enrichment difficult. They also lose temperature quickly and allow waste concentration to change fast. A small emergency or transport container is not a model for permanent housing. Start with an aquarium designed to hold a stable heater and gentle filter, and make sure every opening is covered because Bettas can jump.
| Setup | Assessment | Main consideration |
|---|---|---|
| Bowl or vase | Not recommended as a permanent home | Difficult to heat, filter, enrich and keep chemically stable |
| Around 20 litres | Practical furnished baseline for one male | Use a mature filter, secure lid, plants and regular testing |
| 30-40 litres | More forgiving single-male display | More room for zones, planting and stable equipment |
| Larger community aquarium | Possible only after a compatibility plan | Tank-mate needs, individual temperament and a backup arrangement still apply |
A new aquarium needs an established biological filter. Beneficial microbes convert toxic ammonia from fish waste and uneaten food into nitrite and then into less immediately toxic nitrate. The process is complete when the system can manage its expected waste load and repeated tests show ammonia and nitrite remaining undetectable. There is no reliable universal number of weeks because filter media, temperature, inoculation, feeding method and test accuracy differ.
Use a liquid or otherwise dependable test method during setup and after adding the fish. Do not assume clear water is safe: ammonia and nitrite are invisible. If either becomes detectable, reduce feeding, check the filter, perform an appropriate conditioned water change and continue testing. Do not add a Betta to an unverified aquarium simply because a bottled product has been used.
Keep the filter running continuously. Rinse reusable media gently in removed aquarium water when flow falls; washing established media under untreated chlorinated tap water can damage the microbial community. Replace only the media that the manufacturer genuinely treats as disposable, and avoid changing all biological media at once.
Condition new tap water for chlorine or chloramine according to the water conditioner label. Match temperature closely enough to avoid an abrupt change. Stable water is more valuable than repeatedly altering pH to chase a perfect-looking number. Before adjusting chemistry, learn the source water's pH, hardness and buffering capacity and confirm that any change can be maintained safely.
FishBase records a species range of 24-30°C, pH 6.0-8.0 and 5-19 dH. For an ordinary home aquarium, a stable target around 25-28°C sits comfortably inside that range. Stability is the priority. Do not swing the temperature between the ends of the range, and do not use the upper limit as a routine target without a reason.
Most UK rooms are too cool or too variable to heat a Betta aquarium reliably throughout the year. Use a thermostatic aquarium heater sized for the actual water volume and room conditions, plus a separate thermometer that is easy to read. Place the heater where gentle circulation distributes warmth, following the manufacturer's immersion and safety instructions.
Check temperature daily and after water changes, cold nights or equipment adjustments. If water is too cool, warm it gradually with the aquarium heater; never pour hot water around the fish. If the tank is too warm, identify the cause, increase room ventilation where safe and make gradual corrections. Rapid correction can be more stressful than a small temporary deviation.
Within the documented pH and hardness range, acclimated domestic Bettas often do well in stable conditioned tap water. Large or frequent chemical adjustments can cause more instability than accepting a safe, consistent value. If the source water sits outside the range, plan a repeatable mixing or treatment method before purchase rather than making improvised changes after the fish arrives.
Bettas prefer calm water. A sponge filter or a suitably baffled low-flow internal filter can work well because it provides biological filtration without forcing the fish to swim continuously against a jet. Short-fin fish may move more strongly than heavy long-fin forms, but HMPK does not mean high-flow. Judge the setup by the fish: it should be able to hover, turn, feed and rest without being pushed.
Direct the outlet along a wall, use plants or hardscape to break the current, or choose an adjustable model. Do not reduce circulation so far that debris accumulates everywhere or the heater creates hot and cold zones. The goal is gentle water movement with a calm resting area, not completely stagnant water.
Keep part of the surface open. Floating plants can provide shade and security, but a solid mat can obstruct air breathing and feeding. Leave a small warm air space between the water and lid, and avoid cold drafts across that gap. Make sure the fish cannot become trapped behind a background, filter, heater guard or decoration while trying to reach the surface.
A lid is essential. Bettas can jump through surprisingly small openings, especially when startled or pursuing food. Cover cable gaps where practical without blocking ventilation or equipment safety. Check the lid after maintenance and make sure condensation cannot drip onto unsafe electrical connections.
A furnished aquarium is not decoration alone; it gives the fish choices. Use groups of live plants, smooth wood, rounded stones or aquarium-safe shelters to create open swimming space, shaded cover and broken sight lines. A Betta should be able to inspect the aquarium and retreat without disappearing into a cramped cave.
Broad leaves near the surface make useful resting platforms. Anubias, Java fern and many Cryptocoryne species can suit low-to-moderate light, while floating plants can soften overhead lighting. Plant suitability still depends on the chosen substrate, water and lamp. If live plants are not practical, use soft silk alternatives and inspect every edge for material that could catch fins.
Choose smooth hardscape. Rough resin seams, sharp rock, exposed wire and rigid plastic leaves can damage skin or fins. A simple test is to run a piece of fine fabric over the decoration; if it snags easily, it deserves closer inspection before entering the tank. Leave enough clearance around caves and wood for the fish to turn without scraping.
Enrichment can be quiet and predictable. Vary feeding locations, allow the fish to investigate plant growth and provide several routes through the layout. Avoid constant tapping, chasing with a net or prolonged mirror display. Brief flaring can be normal, but continuous exposure to a rival image is not an enrichment programme and may prevent the fish from settling.
Use a regular light and dark cycle rather than leaving the aquarium lit continuously. The exact photoperiod depends on plant needs, ambient daylight and algae response. A timer makes the routine consistent. Provide shaded areas so the fish can leave bright light, and avoid placing the tank where direct sun causes overheating or rapid algae growth.
Fine gravel or sand can both work. The substrate should be inert or intentionally chosen for the water plan, easy to maintain and free from sharp fragments. Darker material may make a yellow fish appear more visually prominent, but colour display is not a reason to use a substrate that compromises water chemistry or cleaning.
Natural wood and leaves can release tannins that tint water amber. Tannin colour is not automatically dirty water, but it also does not replace testing or water changes. Confirm that every botanical is aquarium safe, prepare it correctly and remove material that is decomposing faster than the system can manage.
Position the aquarium away from radiators, exterior doors, cooking aerosols and loud vibration. Give the fish a normal household view without constant disturbance on every side. A background or planted rear zone can reduce reflections and make the aquarium feel more secure.
In nature, Betta splendens eats zooplankton, mosquito larvae and other small insect larvae. In the aquarium, use a reputable prepared food formulated for Bettas or small carnivorous/omnivorous tropical fish as the staple, then add variety with suitable frozen or safely cultured live foods. Frozen brine shrimp, daphnia and appropriate insect-larva foods can broaden texture and nutrient sources.
Food quality matters more than repeating a fixed pellet count. Pellets vary greatly in diameter, density and nutrition, while individual fish differ in age, size and condition. Offer a small portion that the fish can consume promptly, observe body condition and remove uneaten food. Split feeding into manageable portions if that produces cleaner feeding and a steadier response.
Do not assume every Betta needs a mandatory weekly fasting day, and do not use a rich frozen food as the whole diet. Adjust intake to the fish, the product instructions and water quality. A persistently swollen abdomen, weight loss, refusal to eat or difficulty swallowing deserves investigation rather than an automatic increase or decrease based on a generic schedule.
Store dry and frozen foods according to their labels. Thaw or portion frozen food hygienically and avoid repeatedly thawing and refreezing it. Live foods should come from a controlled source; wild-collected mosquito larvae or other organisms can introduce contaminants, predators or disease. Remove leftovers before they decay into ammonia.
If a new fish does not eat immediately, first check temperature, ammonia, nitrite, disturbance and whether the food is a suitable size. A short settling period can occur, but prolonged refusal, laboured breathing, lesions, unusual swelling or loss of balance requires prompt attention. Do not medicate the display aquarium without a reasoned diagnosis.
A purpose-made option such as our Betta granules can be used as part of a varied plan; always check the current product label and choose portions for the individual fish rather than treating any one food as a complete husbandry solution.
| Food type | Role | Main caution |
|---|---|---|
| Prepared Betta pellet or granule | Consistent staple when nutritionally suitable | Pellet sizes differ; use observed intake, not a universal count |
| Frozen brine shrimp or daphnia | Useful dietary variety | Portion hygienically and remove leftovers |
| Suitable insect-larva food | Reflects natural prey type | Use a safe commercial or controlled source |
| Live food | Behavioural and dietary variety | Source carefully to reduce pathogen and contaminant risk |
Male Betta splendens are territorial. Displaying with spread fins and flared gill covers is part of the species' communication, but escalation between males includes biting and serious injury. Keep this male separately from every other male Betta. A divider is suitable only when it is secure, prevents jumping or water-gap access and blocks persistent visual contact.
The safest default is a single-male aquarium. Individual males differ in how strongly they patrol, display and respond to other animals. There is no strain name, fin type or colour that guarantees a peaceful personality, so a community should never be assumed safe from the ornamental label alone.
Reflection can trigger repeated display. Check dark side panels, an unlit room around a bright aquarium and glossy decorations if the fish spends long periods flaring at the same place. Add background cover, adjust room lighting or change the viewing angle. The aim is not to prevent every brief display, but to stop a rival image dominating the fish's day.
Normal activity can include surface breathing, exploring, resting on leaves, investigating the keeper and building a bubble nest. A bubble nest is not proof that water is perfect, that the fish needs a mate or that breeding should begin. It is one possible natural behaviour of an adult male.
Plan for one male alone first. If a community is the goal, use a larger established aquarium, choose species that share the temperature and water range, provide visual barriers and keep a prepared alternative tank. Additions should be based on the needs of every animal, not on a short list that labels a species universally "safe."
Around 20 litres, reserve the space for the Betta. A group of schooling fish or bottom dwellers has its own minimum group and footprint needs; squeezing them into a small Betta tank to create company is poor planning. A male Betta does not need fish companions to complete a suitable single-specimen setup.
In a larger aquarium, quiet non-nipping fish may work when their temperature, group size, swimming space and feeding access are all met. Avoid colourful long-finned fish that may be treated as rivals, persistent fin nippers, boisterous feeders and species that need strong current. Do not combine this male with female Bettas as a permanent community.
When comparing other forms, the Red Hellboy Plakat male Betta is a related colour-line option and the Halfmoon Plakat male Betta is a broader HMPK comparison. These are alternative males, not tank mates for this fish. For more colours and fin forms, browse the Betta collection.
Prepare the aquarium before delivery: temperature stable, filter mature, ammonia and nitrite undetectable, lid secure and lights dimmable. Read the current arrival instructions in advance rather than waiting until the fish is in front of you. Keep a thermometer, water conditioner and test kit available.
Follow the current supplier/store acclimation instructions because bag temperature, water chemistry and journey time affect the safest method. Avoid leaving a sealed bag floating for an unnecessarily long period, and avoid adding transport water to the display aquarium unless the instructions specifically require it. Move calmly and prevent jumping during transfer.
After introduction, keep lighting subdued and allow the fish to find cover. Do not chase it for a photograph or encourage prolonged flaring. Check breathing, balance and the ability to reach the surface. A newly arrived fish may hold its colour or fins differently while settling; use behaviour and water tests together rather than judging health from colour alone.
For multi-aquarium homes, separate observation and dedicated equipment reduce the chance of moving pathogens between systems. A fixed quarantine duration cannot guarantee health, and routine medication without diagnosis can create additional harm. Observe, test the water and seek qualified aquatic veterinary advice when symptoms are persistent, severe or unclear.
Look at the fish every day. Note appetite, body position, breathing effort, fin carriage, skin, eyes and swimming. Confirm the heater and filter are operating and that the lid and cable gaps remain secure. A brief daily check detects equipment failure sooner than waiting for a scheduled maintenance day.
Test water on a schedule appropriate to the aquarium's age and stability, and immediately when behaviour changes. Newer systems deserve more frequent checks. Established systems still need testing after a missed filter cycle, power failure, overfeeding, medication, dead plant mass or unexplained lethargy.
Water-change volume and frequency depend on stocking, feeding, plant growth, filter capacity and measured waste. Use results rather than an arbitrary universal percentage. During a change, condition replacement water, match temperature, avoid exposing the heater and prevent the fish from entering a siphon. Clean only enough substrate to control waste while preserving useful planted areas.
Trim decaying leaves, remove uneaten food and keep the surface open. Wipe algae where it blocks viewing or plant growth, but do not sterilise every surface. Beneficial microbes live on filter media and aquarium surfaces, not in clear water alone.
Keep a simple record of temperature, tests, maintenance and unusual behaviour. A record reveals gradual changes that are easy to miss, such as a heater drifting, nitrate rising faster, appetite declining or maintenance becoming less effective as the fish and plants grow.
A settled Betta is generally alert, able to maintain position and interested in its surroundings. It should reach the surface without difficulty and recover normally after activity. Occasional surface breathing is expected because of the labyrinth organ; repeated frantic gasping, loss of balance or inability to leave the bottom is not something to dismiss as normal Betta behaviour.
Clamped fins, appetite loss, rubbing, white spots, unusual dusting, open sores, fuzzy growth, severe swelling, pineconing, rapid breathing or progressive fin loss can have different causes. Temperature, ammonia, nitrite, recent additions and physical injury should be checked promptly. Similar outward signs can result from water quality, parasites, bacteria, trauma or internal disease, so a generic label from one photograph is unreliable.
Correct an identified environmental problem gradually and safely. Do not combine medications casually, increase temperature for every suspected disease or add salt without understanding the diagnosis, dose and effect on other animals and plants. Many treatments can harm the fish or biological filter when used incorrectly. An aquatic veterinarian or experienced fish-health professional is the right route for serious or unresolved illness.
Fin edges can change through damage, infection or regrowth. Compare progress over time under similar lighting rather than judging one image. HMPK fins are naturally shorter than long-fin varieties; short form alone is not fin rot. The representative gallery must also not be used as a medical standard for the exact fish.
If a fish deteriorates soon after arrival, follow the store's current evidence requirements and make contact immediately. The Live Arrival Guarantee page contains the current terms, while the delivery information explains the present service and arrival process. Read both when ordering and again if a claim is needed because service details can change.
Betta splendens is a bubble-nest builder. A male constructs a nest at the surface, courtship and spawning occur beneath it, and the male tends eggs in the nest. That biology explains why calm surface areas and floating cover can be useful even when breeding is not intended.
Breeding is a separate managed project, not a reason to leave a male and female together. Introductions can involve aggression and injury, the female normally needs removal after spawning, and the male later needs separation from free-swimming fry. Fry require tiny live foods, stable warm water, careful hygiene and substantial grow-out planning. Developing males eventually need individual management.
A bubble nest does not mean the male is lonely or that a female should be purchased. It can occur without a female and can disappear after maintenance. For most keepers, allowing the male to display normal solitary behaviour in a well-furnished aquarium is the better objective.
Anyone intending to breed should research current specialist guidance, prepare multiple heated containers and secure homes for offspring before pairing fish. Colour-line outcomes are not guaranteed, and "Yellow Hellboy" offspring may not reproduce the parents' exact retail appearance.
| Feature | HMPK / short-fin male | Long-fin male |
|---|---|---|
| Fin silhouette | Shorter finnage with a compact Plakat profile | Longer trailing or spreading fins depending on form |
| Movement | Often appears direct and athletic | Heavy finnage can make movement look slower |
| Flow requirement | Still needs gentle circulation | Gentle circulation is especially important around heavy fins |
| Territoriality | Male territorial behaviour remains | Male territorial behaviour remains |
| Core care | Warm mature water, lid, surface access, cover and suitable diet | The same core species requirements |
| Show-form promise | Supplier HMPK label does not guarantee certified exhibition spread | Retail fin label does not guarantee certified exhibition form |
Choose the Yellow Hellboy HMPK for its supplier-recorded short-fin form and yellow pattern rather than because it is advertised as easier, tougher or more peaceful than every other Betta. Form changes appearance and can influence how a fish moves, but water quality, temperature, territory and individual temperament remain decisive.
This fish can suit a keeper who wants one visually prominent male and is willing to prepare a heated, covered, mature aquarium. It is a strong fit for a furnished single-specimen display where natural behaviour is more important than adding several fish to a small volume.
It is not the right choice for an unheated bowl, an uncovered vase, a new uncycled setup, a tank containing another male Betta or a community whose residents need cool or fast-flowing water. It is also not a guaranteed exact-image or show-grade purchase. The fish is a living representative of the supplier's Yellow Hellboy HMPK line, and variation is part of that purchase.
Before ordering, confirm that the aquarium holds steady temperature, ammonia and nitrite are undetectable, the filter flow is gentle and an alternative plan exists if any proposed tank mate causes conflict. Check the current stock, price and delivery terms shown in the live buying area because these can change.
One quantity includes one male Yellow Hellboy HMPK Betta splendens in the supplier's XL size class. It is not a pair. The exact centimetre length, yellow shade, pattern and fin proportions vary between live fish.
No. HMPK is the supplier's Halfmoon Plakat trade-form label. Exhibition standards describe an ideal display form, but this listing does not promise a certified show fish or an exact caudal spread.
No. They are representative colour and form references based on source media. The second image is not a pair offer or cohabitation example. One live male fish is supplied, and natural variation should be expected.
Use about 20 litres or more as a practical baseline for one male in a furnished, fully cycled aquarium. A 30-40-litre setup is more forgiving and provides more room for plants, equipment and separate activity zones.
FishBase records 24-30°C for Betta splendens. A stable 25-28°C is a practical home target inside that range. Use a thermostatic heater and separate thermometer; avoid rapid changes.
The documented species range is pH 6.0-8.0 and about 5-19 dH. Stable conditioned water inside that range is preferable to repeated chemical adjustment for one exact number.
Yes. Use gentle biological filtration to control waste, and leave unobstructed surface space because the labyrinth organ allows the fish to breathe atmospheric air. Surface breathing does not replace clean, tested water.
No. Male Betta splendens fight and can seriously injure one another. Keep each male separately and block persistent visual contact. The two illustrative fish in one gallery image must not be copied as a housing setup.
Not as a permanent pair. Breeding introductions require a separate managed setup, close observation and planned separation. A female should not be added simply because a male builds a bubble nest.
No. A well-furnished single-male aquarium is a complete housing plan. In a larger community, every proposed species needs separate research for temperature, current, space, group size and behaviour, plus an alternative arrangement if the combination fails.
Use a suitable prepared Betta food as the staple and add varied frozen or safely cultured live invertebrate foods. Portion for the individual fish and food size, remove leftovers and avoid relying on a fixed pellet count.
A fixed lifespan cannot be promised because age at sale, genetics, prior history, disease and husbandry all matter. FishBase records a maximum reported age of two years for the species, but that record is not a guarantee for an individual captive fish.
Care is better described as moderate. Feeding is manageable, but the fish needs a cycled heated aquarium, stable water, a secure lid, gentle flow and responsible territorial management. A prepared beginner can succeed; an unheated bowl is not a beginner-safe shortcut.
Transport and settling can temporarily change colour and posture, but clamped fins can also accompany temperature, water-quality or health problems. Dim the light, provide cover, test the water and watch breathing and balance. Seek qualified advice if signs persist or worsen.
No. Bubble-nest building is normal male reproductive behaviour and can occur without a female. It is not proof of perfect water and not a reason to begin breeding without a complete plan.
The supplier identifies this fish as a Yellow Hellboy HMPK male in the XL trade size class. The linked species references provide the water, size, habitat and behaviour information used for aquarium planning. Exhibition standards explain the HMPK term but do not certify this individual fish.
Current price, stock, dispatch availability and guarantee terms are shown in the live buying area and maintained policy pages. Check them at the time of order because temporary discounts, available dates and service details can change.
