Easy Care for Beginners and Enthusiasts Alike - Aquarium supplies from Tropical Fish Co

X Sailfin Lyra Molly (Poecilia sphenops) - UK

£17.99In Stock

A striking X Sailfin Lyra Molly with elegant finnage and lively character. Ideal for spacious community aquariums. Order now with live arrival guarantee.

Community FishFishFreshwaterLivebearersModerate CarePeacefulTropical Fish

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

Why Choose This Fish?

A striking X Sailfin Lyra Molly with elegant finnage and lively character. Ideal for spacious community aquariums. Order now with live arrival guarantee.

The X Sailfin Lyra Molly is one of the most eye-catching choices in freshwater tropical fish UK aquariums because it combines the broad, elegant sailfin look with the flowing lyretail shape that many keepers want in a lively community display. Sold as an assorted colour form, this fish is commonly grouped in the hobby as a sailfin-type molly, and many aquarists search for it as Poecilia Velifera Assorted Sail-Fi Lyra Molly Tropical Fish or Poecilia Velifera Assorted Sail-Fi Lyra Tropical Fish. In practical care terms, it behaves much like hardy molly strains: peaceful, active, social, and best suited to hard, alkaline water. Adults usually reach around 8-12cm, live for roughly 3-5 years, and are widely considered Easy Care for Beginners and Enthusiasts Alike when their water chemistry is correct.

If you want colourful aquarium fish UK hobbyists can enjoy in a bright community tank, this is a strong choice. These fish work well for keepers looking for peaceful aquarium fish UK setups, mixed livebearer groups, or a bold planted display with open swimming room. See our detailed photos showing fin shape, body pattern, and the assorted colour range in the product image freshwater-tropical-fish-uk.webp. For aquarists who want movement, colour, and livebearer personality in one fish, the Sailfin Lyra Molly brings all three.

🔹 Quick Facts

  • Scientific Name: Poecilia sphenops (sailfin/lyra-type aquarium strain)
  • Care Level: Beginner
  • Min Tank Size: 80 litres (around 17.5 gallons)
  • Temperature: 21-28°C (70-82°F)
  • pH Range: 7.0-8.5
  • Lifespan: Up to 5 years
  • Temperament: Peaceful
  • Diet: Omnivore

Classification

  • Order: Cyprinodontiformes
  • Family: Poeciliidae
  • Genus: Poecilia

Mollies belong to the livebearer family Poeciliidae, the same broad group that includes guppies, platies, and swordtails. The X Sailfin Lyra Molly sold in the aquarium trade is an ornamental strain developed for colour, fin extension, and community-tank appeal. Although many shoppers use the name Poecilia Velifera Assorted Sail-Fi Lyra Tropical Fish Molly, most assorted mollies in the trade are hybridised or selected aquarium strains rather than strict wild-type fish. In the hobby, they are valued for being adaptable, active, and easy to breed.

Where Do Sailfin Lyra Mollies Come From? Natural Habitat Explained

Modern aquarium mollies are captive-bred livebearers descended from Central and South American stock, with related wild populations found in slow-moving rivers, coastal lagoons, ditches, and warm freshwater to lightly brackish habitats. In nature, molly-type fish spend much of the day grazing on algae, biofilm, soft plant matter, and tiny invertebrates. That natural feeding style explains why they do best in mature aquariums with stable water and some surface growth to browse between meals.

For hobbyists keeping tropical freshwater fish UK aquariums, the most important lesson from their habitat is not just warmth, but chemistry. These fish naturally favour mineral-rich conditions, which is why poecilia velifera assorted sail-fi lyra molly tropical fish water parameters should always lean hard and alkaline rather than soft and acidic. If kept in the wrong chemistry, mollies may shimmy, clamp fins, lose condition, or become prone to fungus-like infections. That is why they are often recommended as tropical livebearers UK aquarists should keep in harder tap water areas.

The X Sailfin Lyra Molly is especially popular among people searching for livebearers for sale UK because it offers the classic livebearer strengths: constant activity, visible social behaviour, and regular fry production in settled tanks. Its poecilia velifera assorted sail-fi lyra molly tropical fish habitat in captivity should reflect that background with open swimming space, steady filtration, and mineral-rich water. This is one reason many fishkeepers looking for freshwater tropical fish for sale uk choose mollies over more delicate species.

💡 Expert Tip

Mimicking the natural habitat matters most in water chemistry. Many new keepers focus only on temperature, but stable hard, alkaline water is the real key to long-term molly health, colour, and breeding success.

How to Set Up the Perfect Tank for Sailfin Lyra Mollies

A good poecilia velifera assorted sail-fi lyra molly tropical fish tank setup starts with space. Although juveniles are often sold small, adults become robust, active fish with a noticeable body depth and large finnage. The poecilia velifera assorted sail-fi lyra molly tropical fish tank size minimum should be 80 litres, but a more comfortable long-term choice is 115 litres or more, especially if you plan to keep a group. If you are wondering about poecilia velifera assorted sail-fi lyra molly tropical fish in 60 litre tank care, the honest answer is that 60 litres is usually too cramped for a proper mixed group of sailfin-type mollies once grown.

Tank Size Requirements

The ideal poecilia velifera assorted sail-fi lyra molly tropical fish tank size depends on group size. A trio can begin in 80 litres, but a mixed colony with fry, extra females, or other community fish is better in 115 litres and up. These fish produce a steady bioload because they are active omnivores and frequent grazers. More water volume means better oxygen stability, less aggression between males, and easier control of nitrate.

Water Parameters

The correct poecilia velifera assorted sail-fi lyra molly tropical fish temperature range is 21-28°C, with a poecilia velifera assorted sail-fi lyra molly tropical fish ideal water temperature of around 25°C for everyday care. The best poecilia velifera assorted sail-fi lyra molly tropical fish tropical tank temperature for breeding and active feeding is usually 24-26°C. For chemistry, poecilia velifera assorted sail-fi lyra molly tropical fish pH level requirements fall between 7.0 and 8.5, with 7.5-8.2 being especially reliable. Poecilia velifera assorted sail-fi lyra molly tropical fish water hardness should be high: roughly 15-30 dGH. These are not soft-water fish.

21-28°C
Temperature
7.0-8.5
pH
15-30 dGH
Hardness
80L+
Minimum Tank

Filtration

Poecilia velifera assorted sail-fi lyra molly tropical fish filtration needs are moderate but important. Use a mature filter that turns the tank over around 5-8 times per hour and provides good oxygenation without blasting the fish. Sponge filters work in breeding tanks, while internal or external filters suit larger community systems. Mollies dislike dirty water far more than they dislike gentle current.

Substrate, Plants and Decor

Fine gravel or smooth sand works well. Darker substrate often improves confidence and makes colours stand out. If you want poecilia velifera assorted sail-fi lyra molly tropical fish for planted aquarium displays, choose sturdy species because mollies may nibble soft growth. Good options for poecilia velifera assorted sail-fi lyra molly tropical fish aquarium plants compatible layouts include Java fern, Anubias, Vallisneria, and floating plants for fry cover. Keep open midwater lanes for swimming and use decor to break sight lines rather than crowd the tank.

Many keepers building a livebearer setup also browse related molly strains such as X Gold Black Lyretail Molly, X Poecilia Sailfin Goldleopard Molly Mix, or X Dalmatian Sailfin Mollies - Poecilia to create a colourful mixed group. If you prefer a more flowing finnage style, Poecilia Shpenops Longfin Lyra Gold Molly is another suitable companion strain.

Lighting

Moderate lighting for 7-9 hours per day is usually enough. Strong light can support algae and plant growth, which mollies often appreciate, but balance it with nutrient control. In mixed displays, bright lighting over dark substrate helps show why these are colourful poecilia velifera assorted sail-fi lyra molly tropical fish for aquarium setups that attract attention.

🔹 Quick Setup Checklist

  • Choose 80 litres minimum, 115 litres recommended for groups
  • Set heater to 24-26°C for stable daily care
  • Keep pH alkaline and hardness high
  • Use mature filtration with strong biological capacity
  • Add robust plants and open swimming space
  • Stock more females than males

💡 Pro Tip

Always cycle the aquarium for 4-6 weeks before adding mollies. A hardy reputation does not protect them from ammonia or nitrite, and unstable new tanks are a common reason beginners lose livebearers.

What Do Sailfin Lyra Mollies Eat? Complete Feeding Guide

The X Sailfin Lyra Molly is an omnivore with a strong taste for vegetable matter, algae films, and small protein foods. A balanced poecilia velifera assorted sail-fi lyra molly tropical fish diet should include both plant-based staples and quality protein. In the wild, these fish graze constantly, so in captivity they do best with small, regular meals rather than one heavy feeding.

Staple Foods

A reliable poecilia velifera assorted sail-fi lyra molly tropical fish feeding guide starts with a high-quality flake or micro pellet designed for livebearers or omnivorous tropical fish. Choose foods with spirulina or other algae content. This supports digestion, colour, and body condition in Poecilia Velifera Assorted Sail-Fi Lyra Tropical Fish Mollies and helps reduce the risk of bloating from overly rich diets.

Supplemental Foods

Supplement the staple diet with blanched spinach, shelled peas in tiny amounts, spirulina foods, daphnia, and brine shrimp. These are especially useful when conditioning adults for poecilia velifera assorted sail-fi lyra molly tropical fish breeding. Well-fed fish show stronger finnage, better activity, and improved fry output.

Treats and Special Foods

Bloodworm can be offered occasionally, but not as the main food. Too much rich protein may upset digestion in Poecilia Velifera Assorted Sail-Fi Lyra Tropical Fish Molly fish. For colour and condition, rotate vegetable-rich foods with frozen or live treats. If you keep multiple strains such as X Golden Long Fin Mollies - and X Poecilia Shpenops Molly Mix Tropical, a shared omnivore menu works well.

Feeding Frequency and Portion Control

Feed adults 2 times daily, offering only what they finish in 30-60 seconds. Juveniles may need 3 smaller meals. This is the simplest answer to how to care for poecilia velifera assorted sail-fi lyra molly tropical fish without fouling the water: feed lightly, but feed consistently.

Time Food Amount
Morning Spirulina flake or livebearer pellet Small pinch, eaten within 1 minute
Evening Daphnia, brine shrimp, or veg-based flake Small portion, no leftovers

⚠️ Feeding Warning

Overfeeding causes ammonia spikes, cloudy water, and digestive stress. Mollies are enthusiastic feeders, so it is easy to give too much. Uneaten food should never sit in the tank.

X Poecilia Shpenops Molly Mix Tropical pairs well in mixed livebearer feeding routines because it thrives on the same omnivore diet and vegetable-rich schedule.
Poecilia Shpenops Longfin Lyra Gold Molly is another good companion if you want a shared feeding plan with similar nutritional needs.

What Does the Sailfin Lyra Molly Look Like? Colors, Patterns & Varieties

The X Sailfin Lyra Molly has a deeper body than a guppy, a broader dorsal fin, and a lyretail caudal shape where the upper and lower fin rays extend beyond the centre. Adult poecilia velifera assorted sail-fi lyra molly tropical fish size typically falls between 8 and 12cm, with females often appearing fuller-bodied while mature males show more dramatic fin development. In good conditions, the sailfin effect becomes more obvious as males display to rivals and females.

Because this is an assorted form, colours can vary widely. You may see silver, gold, orange, black, marbled, leopard, or mixed tones, making them ideal for aquarists who want colourful aquarium fish UK displays without choosing a single fixed strain. The body is usually smooth and streamlined, but the finnage gives the fish a more ornate silhouette than standard mollies.

When comparing poecilia velifera assorted sail-fi lyra molly tropical fish male vs female, males are slimmer and carry the gonopodium, a modified anal fin used for mating. Females are larger through the belly and lack that fin shape. Good diet, hard water, and dark substrate all help improve colour depth and fin condition. Our photos show the assorted range and the elegant tail shape that makes this fish stand out in a community aquarium.

What Fish Can Live With Sailfin Lyra Mollies? Compatibility Guide

These mollies are widely regarded as poecilia velifera assorted sail-fi lyra molly tropical fish peaceful community fish. They are active rather than shy, and they generally ignore other species unless cramped or kept in poor sex ratios. That makes them one of the best poecilia velifera assorted sail-fi lyra molly tropical fish for community tank setups where water is hard and alkaline.

Ideal Tank Mates

Good poecilia velifera assorted sail-fi lyra molly tropical fish tank mates include platies, swordtails, Corydoras in suitable harder water, and some rainbowfish. They also do well with other mollies, especially if you keep 2-3 females per male. If you want to build a livebearer display, consider X Gold Black Lyretail Molly, X Red Leopard Sailfin Mollies -, X Dalmatian Sailfin Mollies - Poecilia, and X Golden Long Fin Mollies -. These are excellent examples of poecilia velifera assorted sail-fi lyra molly tropical fish with other livebearers in a coordinated community.

Species to Avoid

Avoid soft-water species that need acidic conditions, because the mollies' preferred chemistry will not suit them. Also avoid aggressive cichlids and persistent fin-nippers. Long-finned mollies can attract unwanted attention from fish that peck at trailing fins.

Community Tank Examples

In an 115-litre tank, a practical group is 1 male and 3-4 females with a small group of platies or swordtails. In larger systems, mixed molly strains can create a colourful display. This is why many keepers consider them among the best mollies for community tank stocking. For families, they are also a sensible option as poecilia velifera assorted sail-fi lyra molly tropical fish tropical fish for kids because their behaviour is easy to observe and fry are often produced in home aquariums.

Invertebrate Compatibility

Adult shrimp may coexist in larger planted tanks, but small shrimplets can be eaten. Snails are usually safe. If you keep decorative shrimp, provide heavy cover and do not expect full fry survival for either species.

Species Compatible? Notes
X Gold Black Lyretail Molly ✅ Yes Same water chemistry and similar temperament
X Poecilia Sailfin Goldleopard Molly Mix ✅ Yes Excellent for mixed livebearer displays
Soft-water tetras ⚠️ Caution Different long-term water needs
Aggressive cichlids ❌ Avoid May bully or damage finnage

💡 Compatibility Tip

Always quarantine new arrivals for 2-4 weeks before adding them to a community tank. This reduces the risk of introducing parasites, bacterial infections, or stress-related disease to established mollies.

How to Breed Sailfin Lyra Mollies: Complete Breeding Guide

Poecilia velifera assorted sail-fi lyra molly tropical fish breeding is very easy, which is one reason mollies remain so popular in the UK hobby. These are livebearers, so females give birth to free-swimming fry rather than laying eggs. If you keep males and females together in warm, stable water, breeding often happens without any special intervention.

Breeding Setup

A separate 40-60 litre breeding tank can help if you want to raise more fry, but many people breed them in a standard tropical fish tank. Keep the water around 25-26°C, maintain hard alkaline conditions, and offer dense plants or floating cover. This is the easiest route for anyone researching molly or platy for beginners, because both are straightforward livebearers, though mollies are more demanding about water chemistry.

Spawning Behaviour

Males display by flaring fins and pursuing females. A gravid female becomes visibly fuller and may seek quieter corners before dropping fry. Broods vary, but healthy females can produce a good number of young every few weeks. This regular reproduction is why they are often recommended as poecilia velifera assorted sail-fi lyra molly tropical fish for beginners and poecilia velifera assorted sail-fi lyra molly tropical fish low maintenance fish for keepers interested in breeding.

Fry Care and Growth

Feed fry crushed flake, powdered fry food, baby brine shrimp, and infusoria-sized foods in the earliest stage. Carry out small, frequent water changes. Growth is steady in warm, clean water, and young fish start showing colour and fin development as they mature. If adults remain in the same tank, expect some fry predation unless cover is dense.

Common Challenges

The biggest breeding mistake is keeping the fish in soft water. Another is too many males. A ratio of one male to two or three females usually works best. If you are comparing balloon molly vs regular molly, regular-bodied strains like this one generally swim more strongly and breed more naturally.

Advanced Breeding Tip

For stronger fry survival, move heavily pregnant females only briefly and return them after birth. Leaving females in cramped breeder traps for long periods often causes stress and can lead to poor outcomes.

Sailfin Lyra Molly vs Similar Species: Which Should You Choose?

Choosing between livebearers often comes down to water chemistry, adult size, and the look you want in the tank. The X Sailfin Lyra Molly suits aquarists who want a larger, more dramatic fish than a guppy or Endler, but still want the easy-going nature of a community livebearer. It is frequently compared in searches such as poecilia velifera assorted sail-fi lyra molly tropical fish vs platy, poecilia velifera assorted sail-fi lyra molly tropical fish vs guppy, poecilia velifera assorted sail-fi lyra molly tropical fish vs swordtail, and poecilia velifera assorted sail-fi lyra molly tropical fish vs endler.

Feature Sailfin Lyra Molly Platy
Max Size 8-12cm 5-7cm
Care Level Beginner Beginner
Temperature 21-28°C 20-26°C
Price £17.42 Varies
Best For Hard-water community tanks with bold finnage Smaller peaceful community setups
Feature Sailfin Lyra Molly Guppy
Max Size 8-12cm 3-6cm
Care Level Beginner Beginner
Temperature 21-28°C 22-28°C
Price £17.42 Varies
Best For Bigger tanks and stronger presence Smaller, busier livebearer groups

If you want a fish with more body mass and stronger visual impact, choose the Sailfin Lyra Molly. If your tank is smaller, a platy may be easier. If you want maximum fin colour in a compact fish, guppies and Endlers are attractive alternatives. For shoppers building a mixed molly display, X Red Leopard Sailfin Mollies - and Poecilia Shpenops Longfin Lyra Gold Molly are natural comparison points.

Common Health Problems in Sailfin Lyra Mollies & How to Prevent Them

Good poecilia velifera assorted sail-fi lyra molly tropical fish health starts with correct mineral content, stable temperature, and clean water. Healthy fish are alert, feed eagerly, hold fins open, and swim smoothly through the midwater. Their colours should appear clear rather than washed out, and the body should look full but not bloated.

Common Problems

The most common poecilia velifera assorted sail-fi lyra molly tropical fish diseases in home aquariums are not always infectious at first. Shimmying, clamped fins, and fungus-like issues often begin as stress responses to soft, acidic, or polluted water. External parasites, fin damage, bacterial infections, and bloat can also occur if the tank is overcrowded or poorly maintained.

Treatment and Prevention

Check water first before reaching for medication. Correcting hardness, pH, temperature, and nitrate often solves early issues. Quarantine affected fish, improve aeration, and perform partial water changes. Keep diet varied and avoid sudden changes in chemistry. This is especially important for people keeping hardy poecilia velifera assorted sail-fi lyra molly tropical fish for new tank systems, because “hardy” does not mean tolerant of cycling toxins.

⚠️ Health Warning

Never use copper-based medications in tanks containing shrimp or other sensitive invertebrates. Copper can be lethal to them, and medication should always match the livestock in the aquarium.

🔹 Quarantine Protocol

  • Use a separate heated tank for 2-4 weeks
  • Observe appetite, breathing, finnage, and waste
  • Test ammonia, nitrite, nitrate, pH, and temperature regularly
  • Do not share nets or equipment with the display tank
  • Only move fish when fully active and symptom-free

Understanding Sailfin Lyra Molly Behavior in the Aquarium

Poecilia velifera assorted sail-fi lyra molly tropical fish behaviour is one of the main reasons people enjoy them. They are active daytime swimmers that spend much of their time cruising the midwater, browsing surfaces, and interacting with each other. Males display frequently, especially in groups, by extending fins and circling rivals or females.

These fish are social rather than schooling. They do best in small groups, and their confidence increases when kept with suitable companions in a mature tank. Because they are visible and responsive at feeding time, many families consider them excellent beginner tropical fish UK choices and practical community fish UK for a first larger livebearer setup.

To encourage natural behaviour, keep them in a stable group with more females than males, provide open swimming room, and include plants or decor breaks. In settled aquariums, they become bold, interactive fish that quickly learn feeding routines.

Why Buy from Tropical Fish Co?

When people search best place to buy tropical fish online uk, buy aquarium fish online uk, freshwater fish for sale uk, or live fish for sale uk, they are usually looking for more than just a low price. With Sailfin Lyra Mollies, condition on arrival matters because mollies can react badly to stress, cold exposure, or poor packing. That is why each fish is selected for active swimming, clear eyes, open fins, and stable feeding response before dispatch.

These mollies are prepared for UK fishkeeping conditions with careful holding and observation before sale. That makes a difference for anyone looking to buy poecilia velifera assorted sail-fi lyra molly tropical fish UK, order poecilia velifera assorted sail-fi lyra molly tropical fish online UK, or compare poecilia velifera assorted sail-fi lyra molly tropical fish price UK against real livestock quality. Fish are packed in insulated boxes with appropriate seasonal protection, including heat packs in winter when needed, and sent by tracked service suitable for live tropical fish delivery UK.

Customers asking where to buy poecilia velifera assorted sail-fi lyra molly tropical fish UK or poecilia velifera assorted sail-fi lyra molly tropical fish shop UK often want reassurance on support as well as stock. Care guidance matters with mollies because success depends on hard alkaline water, not just a heater and food. For anyone searching poecilia velifera assorted sail-fi lyra molly tropical fish for sale UK, live poecilia velifera assorted sail-fi lyra molly tropical fish for sale UK, or poecilia velifera assorted sail-fi lyra molly tropical fish buy online UK, this species is best ordered only when the aquarium is mature and correctly mineralised.

Order your Sailfin Lyra Molly today with confidence if you want a bold, active livebearer for a hard-water community aquarium.

Why Choose Tropical Fish Co for X Sailfin Lyra Molly

  • Selected for active behaviour, clean finnage, and strong body condition before dispatch
  • Packed for live fish transport with insulated materials and seasonal heat protection
  • Care advice focused on the real key to molly success: hard, alkaline water and stable stocking ratios

You Might Also Like

Build a more striking livebearer display with related molly strains and compatible varieties. The X Gold Black Lyretail Molly adds darker contrast, while X Poecilia Sailfin Goldleopard Molly Mix brings spotted pattern and sailfin shape to the same water conditions. For brighter highlights, try X Golden Long Fin Mollies - or the flowing Poecilia Shpenops Longfin Lyra Gold Molly. If you want a mixed group, X Poecilia Shpenops Molly Mix Tropical is a simple way to add more colour variety. These options all suit aquarists shopping for tropical fish for sale, freshwater tropical fish for sale uk, and attractive livebearers for sale UK for a hard-water community aquarium.