Description
Mustard Gas Fancy Betta (From Thailand)
(Betta splendens – Fancy Line)
📌 Basic Info
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Scientific Name: Betta splendens (Fancy Line – Mustard Gas)
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Common Name: Mustard Gas Fancy Betta
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Size: ~2.5 – 3 inches (6 – 7.5 cm)
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Lifespan: 3 – 5 years (with proper care)
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Tank Zone: Mostly surface to mid-level
🌊 Water Parameters
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TDS: 100 – 200 ppm
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pH: 6.0 – 7.2
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Temperature: 25°C – 28°C (77°F – 82°F)
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Water Type: Freshwater (soft, stable conditions)
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Hardness: GH 3–6, KH 2–4
✨ Characteristics
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Originated from Thailand, developed as part of the Fancy Betta line.
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Famous for its striking color contrast – usually a blue or turquoise body with bright yellow/orange fins.
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Known as “Mustard Gas” because of the sharp difference between dark body and fiery fins.
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Wide tail spread and flowing finnage make it a show-quality betta.
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Labyrinth fish – can breathe directly from the surface.
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Very active and flares beautifully, especially males.
🍽 Food
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Type: Carnivorous (micro-predator)
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Diet: Premium betta pellets, frozen bloodworms, brine shrimp, daphnia, mosquito larvae.
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Feeding Frequency: 1–2 times daily, small portions only.
🛠 Maintenance
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Weekly water changes: 20–30% (keeps fins bright and healthy).
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Gentle filtration – avoid strong currents.
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Provide driftwood, plants, and resting areas like betta hammocks.
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Heater required to maintain stable tropical temperatures.
🤝 Social Behavior
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Minimum Group Size: Single (males are aggressive and territorial).
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Tank Mates: Peaceful, calm species such as corydoras, kuhli loaches, small rasboras, nerite snails, and shrimp (with caution).
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Avoid: Other male bettas, fin-nipping fish (tiger barbs, guppies), or aggressive tankmates.
✅ Do’s
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Provide a minimum 10–15L tank (larger tanks are better).
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Use proper lighting to enhance body–fin contrast.
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Feed a protein-rich, varied diet.
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Keep water clean to maintain bright fin coloration.
❌ Don’ts
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Don’t keep multiple males together.
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Don’t add fin-nippers or aggressive fish.
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Don’t skip water changes – dirty water dulls color and causes fin rot.
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Don’t overfeed – bettas have small stomachs.
⚡ Quick Tips
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A classic Thai fancy betta variety known worldwide for its striking dual-tone pattern.
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Best displayed in tanks with dark substrates and good lighting.
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Ideal as a solo show fish in aquascaped nano tanks.
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A collector’s favorite in the Fancy Betta category.