Description
Dark Blue Ohm Betta (From Thailand)
(Betta splendens – OHM Line: One Heart Magic)
📌 Basic Info
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Scientific Name: Betta splendens (OHM – One Heart Magic Line)
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Common Name: Dark Blue Ohm 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, bred in the OHM (One Heart Magic) line.
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Features a rich, deep dark blue body and fins, darker than royal blue bettas.
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Under certain light, fins may show subtle shades of indigo or navy.
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Wide tail spread with balanced finnage – signature OHM trait.
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Labyrinth fish – can breathe air from the surface.
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Bold and elegant, making it a standout show fish.
🍽 Food
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Type: Carnivorous (micro-predator)
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Diet: High-quality betta pellets, frozen bloodworms, brine shrimp, daphnia, mosquito larvae.
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Feeding Frequency: 1–2 times daily, in small controlled amounts.
🛠 Maintenance
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Weekly water changes: 20–30% (prevents fin rot and color fading).
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Gentle filtration with low current.
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Provide live or silk plants, driftwood, or leaf hammocks for resting.
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Heater required to maintain consistent tropical warmth.
🤝 Social Behavior
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Minimum Group Size: Single (especially males – aggressive and territorial).
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Tank Mates: Peaceful species like corydoras, kuhli loaches, small rasboras, nerite snails, and shrimp (with caution).
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Avoid: Other male bettas, aggressive or fin-nipping fish such as guppies or barbs.
✅ Do’s
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Provide a 10–15L tank minimum (larger tanks are better).
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Use dark backgrounds and soft lighting to highlight dark blue tones.
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Feed a varied, protein-rich diet.
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Maintain warm, stable water conditions.
❌ Don’ts
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Don’t keep two males together.
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Don’t house with aggressive or fin-nipping species.
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Don’t skip regular water changes – dirty water dulls color.
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Don’t overfeed (leads to bloating and water pollution).
⚡ Quick Tips
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A stunning Thai OHM betta variety, admired for its intense deep blue coloration.
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OHM (One Heart Magic) ensures broad tail spread and graceful display.
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Looks most striking in planted aquariums with dark substrates.
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A favorite among collectors and ideal as a showpiece fish.