Description
Dark Blue Ohm Betta (From Thailand)
(Betta splendens – OHM Line: One Heart Magic)
📌 Basic Info
Scientific Name: Betta splendens (OHM – One Heart Magic Line)
Common Name: Dark Blue Ohm Betta
Size: ~2.5 – 3 inches (6 – 7.5 cm)
Lifespan: 3 – 5 years (with proper care)
Tank Zone: Mostly surface to mid-level
🌊 Water Parameters
TDS: 100 – 200 ppm
pH: 6.0 – 7.2
Temperature: 25°C – 28°C (77°F – 82°F)
Water Type: Freshwater (soft, stable conditions)
Hardness: GH 3–6, KH 2–4
✨ Characteristics
Originated from Thailand, bred in the OHM (One Heart Magic) line.
Features a rich, deep dark blue body and fins, darker than royal blue bettas.
Under certain light, fins may show subtle shades of indigo or navy.
Wide tail spread with balanced finnage – signature OHM trait.
Labyrinth fish – can breathe air from the surface.
Bold and elegant, making it a standout show fish.
🍽 Food
Type: Carnivorous (micro-predator)
Diet: High-quality betta pellets, frozen bloodworms, brine shrimp, daphnia, mosquito larvae.
Feeding Frequency: 1–2 times daily, in small controlled amounts.
🛠 Maintenance
Weekly water changes: 20–30% (prevents fin rot and color fading).
Gentle filtration with low current.
Provide live or silk plants, driftwood, or leaf hammocks for resting.
Heater required to maintain consistent tropical warmth.
🤝 Social Behavior
Minimum Group Size: Single (especially males – aggressive and territorial).
Tank Mates: Peaceful species like corydoras, kuhli loaches, small rasboras, nerite snails, and shrimp (with caution).
Avoid: Other male bettas, aggressive or fin-nipping fish such as guppies or barbs.
✅ Do’s
Provide a 10–15L tank minimum (larger tanks are better).
Use dark backgrounds and soft lighting to highlight dark blue tones.
Feed a varied, protein-rich diet.
Maintain warm, stable water conditions.
❌ Don’ts
Don’t keep two males together.
Don’t house with aggressive or fin-nipping species.
Don’t skip regular water changes – dirty water dulls color.
Don’t overfeed (leads to bloating and water pollution).
⚡ Quick Tips
A stunning Thai OHM betta variety, admired for its intense deep blue coloration.
OHM (One Heart Magic) ensures broad tail spread and graceful display.
Looks most striking in planted aquariums with dark substrates.
A favorite among collectors and ideal as a showpiece fish.
