Description
Black Ohm Betta (From Thailand)
(Betta splendens – OHM Line: One Heart Magic)
📌 Basic Info
Scientific Name: Betta splendens (OHM – One Heart Magic Line)
Common Name: Black Ohm Betta
Size: ~2.5 – 3 inches (6 – 7.5 cm)
Lifespan: 3 – 5 years (with good 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, selectively bred under the OHM (One Heart Magic) line.
Striking jet-black body and fins, giving a bold and dramatic look.
Wide tail spread with strong finnage – a signature of the OHM line.
Labyrinth fish – can breathe atmospheric oxygen.
Highly prized for its solid dark coloration, often used in betta competitions.
Clean water is crucial to keep fins healthy and glossy.
🍽 Food
Type: Carnivorous (micro-predator)
Diet: High-quality betta pellets, frozen bloodworms, brine shrimp, daphnia, mosquito larvae.
Feeding Frequency: 1–2 times daily, small portions (avoid overfeeding).
🛠 Maintenance
Weekly water changes: 20–30% (to maintain dark sheen and fin health).
Gentle filtration (bettas dislike strong currents).
Provide hiding areas and plants for comfort.
Heater required to maintain tropical temperature.
🤝 Social Behavior
Minimum Group Size: Single (males are aggressive and territorial).
Tank Mates: Peaceful, calm species like corydoras, small rasboras, kuhli loaches, nerite snails, and shrimp (with caution).
Avoid: Other male bettas, aggressive fish, or fin-nipping species (barbs, guppies).
✅ Do’s
Keep in at least a 10–15L tank (bigger is better).
Use dark backgrounds and lighting to enhance black coloration.
Provide protein-rich diet for strong fins and vibrant look.
Maintain stable warm water with low current.
❌ Don’ts
Don’t keep with other males.
Don’t house with fin-nipping or aggressive fish.
Don’t let water quality drop (affects color and health).
Don’t overfeed (causes bloating and poor water quality).
⚡ Quick Tips
A rare and striking Thai OHM betta variety, admired for its deep, solid black appearance.
Looks stunning as a solo showpiece fish in aquascaped tanks.
OHM (One Heart Magic) line ensures wide tail spread and strong finnage.
Popular with collectors and betta breeders worldwide.
