Gold Comet Swordtail

The Gold Comet Swordtail is a brilliant freshwater fish that brings a radiant burst of golden-yellow color to any aquarium. Beloved by aquarists for its hardiness, peaceful temperament, and lively swimming behavior, the Gold Comet Swordtail is a popular choice for both beginners and seasoned hobbyists. Its sleek body and signature “sword” tail extension on males make it a captivating addition to community tanks.

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Key Features

• Vibrant golden-yellow body with shimmering comet-like shine.

• Hardy, adaptable, and perfect for beginner aquarists.

• Peaceful nature makes them ideal for community tanks.

• Active swimmers that bring constant motion and brightness.

• Livebearer species, offering exciting breeding opportunities.

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Appearance

• Males feature a distinct elongated lower tail fin (the “sword”), slimmer body, and more vivid coloration.

• Females are rounder, larger, and usually lack the sword extension.

• Average adult size: 4–6 inches, with females typically larger.

• Their metallic golden body gives a comet-like glowing appearance under aquarium lighting.

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Water Conditions & Tank Setup

To keep Gold Comet Swordtails healthy and vibrant, maintain these conditions:

• Tank Size: Minimum 20 gallons; larger tanks allow for group keeping.

• Temperature: 72°F – 82°F (22°C – 28°C).

• pH: 7.0 – 8.3 (slightly alkaline).

• Hardness: 12 – 30 dGH.

• Filtration: Clean, well-oxygenated water with efficient filtration.

• Aquascaping: Mix of open swimming areas and planted zones. Plants like Hornwort, Vallisneria, and Java Fern provide hiding and breeding spots.

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Behavior & Tank Mates

Gold Comet Swordtails are peaceful, social fish that thrive in community aquariums. However, males may occasionally display territorial behavior.

• Best kept with 1 male and 2–3 females to reduce stress.

• Compatible with:

  • Guppies

  • Mollies

  • Platies

  • Corydoras catfish

  • Peaceful Tetras

  • Gouramis (non-aggressive types)

• Avoid aggressive fish and fin-nippers like large Cichlids or Tiger Barbs.

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Feeding Habits

Being omnivores, Gold Comet Swordtails enjoy a varied diet:

• High-quality flake or pellet food as a staple.

• Supplement with frozen or live foods like brine shrimp, bloodworms, and daphnia.

• Include occasional plant matter such as blanched spinach, lettuce, or spirulina-based foods.

• Feed 2–3 small meals per day instead of one large portion.

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Breeding & Care

• Livebearer species – females give birth to 20–80 fry every 4–6 weeks.

• Fry are at risk of being eaten, so provide dense plants or a breeding box for protection.

• Maintain weekly water changes (20–30%) to ensure vibrant color and good health.

• Gold Comet Swordtails are hardy, but ensure proper care to prevent common issues like Ich or fin rot.

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Why Choose the Gold Comet Swordtail?

The Gold Comet Swordtail is more than just a decorative fish – it’s hardy, adaptable, and endlessly active, making it an ideal choice for aquarists of all levels. With their golden glow and lively nature, they add elegance and energy to any freshwater aquarium.

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✨ A shining star in any tank, the Gold Comet Swordtail is the perfect blend of beauty, resilience, and peaceful community living.