Pink Lower Sword Guppy

Description

Pink Lower Sword Guppy (Poecilia reticulata)

Elegant, colourful and refreshingly different from the standard fan-tail Guppy, the Pink Lower Sword Guppy combines beautiful pink colouration with a distinctive extended lower tail ray that creates the classic Lower Sword profile. Active, hardy and constantly displaying, this selectively bred Guppy is an excellent choice for aquarists wanting an unusual tail form with plenty of movement and personality.

Quick Facts

  • Scientific name: Poecilia reticulata
  • Common name: Pink Lower Sword Guppy
  • Tail type: Lower Sword
  • Colour strain: Pink
  • Current size: Approximately 3–4 cm
  • Adult size: Approximately 4–6 cm
  • Tank size: 40L+ recommended
  • Difficulty: 🟢 Easy
  • Temperament: Peaceful and active
  • Best kept: In groups with peaceful community fish or as a dedicated Guppy colony

Is this for you?

✔️ Perfect if:

  • You want an unusual Guppy tail shape.
  • You love pink ornamental fish.
  • You enjoy active, colourful community aquariums.
  • You are interested in selectively breeding Guppies.
  • You want a relatively hardy livebearer with plenty of personality.

❌ Avoid if:

  • You keep aggressive or persistent fin-nipping fish.
  • Your aquarium has very soft, acidic water with little mineral content.
  • You don't want Guppies reproducing.
  • You intend to keep males and females together without planning for fry.

Why choose the Pink Lower Sword Guppy?

The Lower Sword is one of the classic fancy Guppy tail forms but is considerably less commonly encountered than the familiar large delta or fan tail.

Rather than developing an oversized triangular tail, the lower section of the caudal fin extends into a distinctive sword-like point. This produces a streamlined and elegant appearance that becomes particularly noticeable as mature males display and move through the aquarium.

Combined with attractive pink colouration, the result is a Guppy that stands apart from conventional strains without losing the active behaviour and easy-going personality that have made Guppies aquarium favourites for generations.

Benefits

  • Beautiful pink colouration
  • Distinctive Lower Sword tail
  • Less common than standard fan-tail Guppies
  • Active and highly visible
  • Peaceful community temperament
  • Relatively hardy and adaptable
  • Excellent selective breeding project

Care made simple

  • Temperature: Approximately 22–28°C
  • pH: Approximately 7.0–8.2
  • Water: Clean, stable and moderately mineral-rich
  • Diet: Quality Guppy pellets or flakes supplemented with brine shrimp, daphnia, bloodworms and suitable vegetable-based foods
  • Substrate: Suitable for most aquarium substrates
  • Setup: Live plants combined with plenty of open swimming space
  • Provide gentle to moderate filtration without excessive current.
  • Regular water changes and a varied diet help maintain strong colour, finnage and breeding condition.

Pairs perfectly with

  • Other peaceful Guppies
  • Endlers
  • Platies
  • Corydoras
  • Peaceful freshwater shrimp
NTA Insight:
Don't overlook sword-tail Guppies simply because their tails aren't as large as modern Delta strains. The Lower Sword is about shape and movement rather than maximum fin size. A well-developed male has a clean extension from the lower caudal fin that becomes particularly impressive when he is actively displaying. If you intend to breed the strain, select not only for pink colour but also for a straight, clearly defined lower sword—otherwise the characteristic tail shape can become inconsistent over successive generations.

FAQ

What is a Lower Sword Guppy?

A Lower Sword Guppy is a fancy Guppy tail form in which the lower rays of the caudal fin extend beyond the rest of the tail, creating a distinctive sword-like point. This differs from the symmetrical Double Sword and the upper extension of an Upper Sword Guppy.

Is the Lower Sword tail natural?

The underlying variation in Guppy finnage is genetic, but the pronounced Lower Sword form seen in ornamental Guppies has been developed and maintained through selective breeding.

Will every Pink Lower Sword Guppy look identical?

No. Colour intensity, markings, body shape and sword development can vary between individuals. Juvenile males may also continue developing both colour and finnage as they mature.

How can I tell males and females apart?

Males are generally smaller, more intensely coloured and develop the characteristic ornamental finnage. They also possess a gonopodium. Females are typically larger and fuller-bodied with a fan-shaped anal fin and may show a visible gravid spot when mature.

Are Pink Lower Sword Guppies easy to keep?

Yes. Guppies are relatively hardy when maintained in clean, stable and appropriately mineralised water. Poor water quality and unstable conditions are much more problematic than minor variations within an appropriate parameter range.

Do Guppies need hard water?

Guppies generally perform best in moderately hard, mineral-rich water rather than extremely soft and acidic conditions. Adequate calcium, magnesium and dissolved minerals support healthy growth and long-term condition.

What should I feed them?

Offer a quality Guppy or livebearer pellet or flake as the staple diet, supplemented with foods such as brine shrimp, daphnia and bloodworms. Including some plant-based material helps provide a balanced omnivorous diet.

Can Pink Lower Sword Guppies live with shrimp?

Adult shrimp can generally coexist with Guppies, particularly in planted aquariums. Shrimplets may be eaten, so dense mosses and vegetation provide important shelter if maintaining a breeding shrimp colony.

How often do Guppies breed?

Mature females can produce broods approximately every four weeks under suitable conditions. Because females can store sperm, they may produce several broods after mating even when subsequently separated from males.

Should I keep more females than males?

When maintaining mixed-sex groups, keeping approximately two to three females for each male can help distribute persistent male courtship behaviour. Alternatively, an all-male display avoids unwanted fry entirely.

Will Pink Lower Sword Guppies breed with other Guppies?

Yes. All ornamental Poecilia reticulata strains can interbreed. If maintaining the Pink Lower Sword characteristics is important, keep the breeding line separate from other Guppy strains and select offspring carefully for both colour and tail shape.

Pink Lower Sword Guppy

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    Description

    Pink Lower Sword Guppy (Poecilia reticulata)

    Elegant, colourful and refreshingly different from the standard fan-tail Guppy, the Pink Lower Sword Guppy combines beautiful pink colouration with a distinctive extended lower tail ray that creates the classic Lower Sword profile. Active, hardy and constantly displaying, this selectively bred Guppy is an excellent choice for aquarists wanting an unusual tail form with plenty of movement and personality.

    Quick Facts

    • Scientific name: Poecilia reticulata
    • Common name: Pink Lower Sword Guppy
    • Tail type: Lower Sword
    • Colour strain: Pink
    • Current size: Approximately 3–4 cm
    • Adult size: Approximately 4–6 cm
    • Tank size: 40L+ recommended
    • Difficulty: 🟢 Easy
    • Temperament: Peaceful and active
    • Best kept: In groups with peaceful community fish or as a dedicated Guppy colony

    Is this for you?

    ✔️ Perfect if:

    • You want an unusual Guppy tail shape.
    • You love pink ornamental fish.
    • You enjoy active, colourful community aquariums.
    • You are interested in selectively breeding Guppies.
    • You want a relatively hardy livebearer with plenty of personality.

    ❌ Avoid if:

    • You keep aggressive or persistent fin-nipping fish.
    • Your aquarium has very soft, acidic water with little mineral content.
    • You don't want Guppies reproducing.
    • You intend to keep males and females together without planning for fry.

    Why choose the Pink Lower Sword Guppy?

    The Lower Sword is one of the classic fancy Guppy tail forms but is considerably less commonly encountered than the familiar large delta or fan tail.

    Rather than developing an oversized triangular tail, the lower section of the caudal fin extends into a distinctive sword-like point. This produces a streamlined and elegant appearance that becomes particularly noticeable as mature males display and move through the aquarium.

    Combined with attractive pink colouration, the result is a Guppy that stands apart from conventional strains without losing the active behaviour and easy-going personality that have made Guppies aquarium favourites for generations.

    Benefits

    • Beautiful pink colouration
    • Distinctive Lower Sword tail
    • Less common than standard fan-tail Guppies
    • Active and highly visible
    • Peaceful community temperament
    • Relatively hardy and adaptable
    • Excellent selective breeding project

    Care made simple

    • Temperature: Approximately 22–28°C
    • pH: Approximately 7.0–8.2
    • Water: Clean, stable and moderately mineral-rich
    • Diet: Quality Guppy pellets or flakes supplemented with brine shrimp, daphnia, bloodworms and suitable vegetable-based foods
    • Substrate: Suitable for most aquarium substrates
    • Setup: Live plants combined with plenty of open swimming space
    • Provide gentle to moderate filtration without excessive current.
    • Regular water changes and a varied diet help maintain strong colour, finnage and breeding condition.

    Pairs perfectly with

    • Other peaceful Guppies
    • Endlers
    • Platies
    • Corydoras
    • Peaceful freshwater shrimp
    NTA Insight:
    Don't overlook sword-tail Guppies simply because their tails aren't as large as modern Delta strains. The Lower Sword is about shape and movement rather than maximum fin size. A well-developed male has a clean extension from the lower caudal fin that becomes particularly impressive when he is actively displaying. If you intend to breed the strain, select not only for pink colour but also for a straight, clearly defined lower sword—otherwise the characteristic tail shape can become inconsistent over successive generations.

    FAQ

    What is a Lower Sword Guppy?

    A Lower Sword Guppy is a fancy Guppy tail form in which the lower rays of the caudal fin extend beyond the rest of the tail, creating a distinctive sword-like point. This differs from the symmetrical Double Sword and the upper extension of an Upper Sword Guppy.

    Is the Lower Sword tail natural?

    The underlying variation in Guppy finnage is genetic, but the pronounced Lower Sword form seen in ornamental Guppies has been developed and maintained through selective breeding.

    Will every Pink Lower Sword Guppy look identical?

    No. Colour intensity, markings, body shape and sword development can vary between individuals. Juvenile males may also continue developing both colour and finnage as they mature.

    How can I tell males and females apart?

    Males are generally smaller, more intensely coloured and develop the characteristic ornamental finnage. They also possess a gonopodium. Females are typically larger and fuller-bodied with a fan-shaped anal fin and may show a visible gravid spot when mature.

    Are Pink Lower Sword Guppies easy to keep?

    Yes. Guppies are relatively hardy when maintained in clean, stable and appropriately mineralised water. Poor water quality and unstable conditions are much more problematic than minor variations within an appropriate parameter range.

    Do Guppies need hard water?

    Guppies generally perform best in moderately hard, mineral-rich water rather than extremely soft and acidic conditions. Adequate calcium, magnesium and dissolved minerals support healthy growth and long-term condition.

    What should I feed them?

    Offer a quality Guppy or livebearer pellet or flake as the staple diet, supplemented with foods such as brine shrimp, daphnia and bloodworms. Including some plant-based material helps provide a balanced omnivorous diet.

    Can Pink Lower Sword Guppies live with shrimp?

    Adult shrimp can generally coexist with Guppies, particularly in planted aquariums. Shrimplets may be eaten, so dense mosses and vegetation provide important shelter if maintaining a breeding shrimp colony.

    How often do Guppies breed?

    Mature females can produce broods approximately every four weeks under suitable conditions. Because females can store sperm, they may produce several broods after mating even when subsequently separated from males.

    Should I keep more females than males?

    When maintaining mixed-sex groups, keeping approximately two to three females for each male can help distribute persistent male courtship behaviour. Alternatively, an all-male display avoids unwanted fry entirely.

    Will Pink Lower Sword Guppies breed with other Guppies?

    Yes. All ornamental Poecilia reticulata strains can interbreed. If maintaining the Pink Lower Sword characteristics is important, keep the breeding line separate from other Guppy strains and select offspring carefully for both colour and tail shape.

    Live Arrival & Ordering FAQ

    Why do livestock prices sometimes change?

    Unlike manufactured products, fish and shrimp continue to grow and develop over time. Their value changes as they increase in size, develop colour, or become breeding pairs.

    Our prices are based on the current size, quality and availability of each specimen. While pricing often remains stable for around 3–4 months, it may be updated at any time to reflect these changes.

    We always aim to offer healthy, high-quality livestock at fair and competitive prices.

    Do you offer a live arrival guarantee?

    Yes. All livestock is covered by our Live Arrival Guarantee.

    In the rare event of DOA, please contact us promptly with clear photos of the livestock in the original unopened bag.

    Please review our full DOA and store policies before purchase.

    Can you ship to all states in Australia?

    No. Due to state restrictions, we cannot ship livestock or live plants to WA and TAS.

    What should I check before ordering?

    Before placing an order, make sure:

    • Your tank is fully cycled and stable
    • Your aquarium has enough space for the species
    • Your current livestock are compatible in temperament, size, and requirements
    • Your water parameters, habitat, and temperature suit the species
    • You are not adding too many fish at once
    What should I expect when my fish arrives?

    It is normal for fish, shrimp, or snails to look pale, stressed, or less active after shipping.

    This is temporary. Most livestock will settle and regain colour within a few days.

    How long does it take for fish to settle in?

    Most livestock will take 3–7 days to fully adjust to their new environment.

    Should I feed my fish immediately after arrival?

    No. We recommend waiting 24 hours before feeding to allow them to settle.

    If you already have fish in your tank, feeding them before introducing new arrivals can help reduce stress.

    Why do fish sometimes struggle after being added to a tank?

    In most cases, issues are caused by tank conditions, not shipping.

    • Uncycled or unstable tanks
    • Poor water parameters
    • Overstocking
    • Unsuitable tank mates
    What is Nano Tanks Australia’s main tip for new livestock?

    Most livestock losses happen in immature or unstable tanks, not during shipping.

    If your setup is not fully established, the risk to new arrivals is significantly higher.

    Not sure if this fish is right for your setup?

    If you are unsure whether this species suits your setup, contact us before ordering and we’ll help point you in the right direction.

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