Description
Filament Barb (Dawkinsia filamentosa)
📌 Basic Info
Scientific Name: Dawkinsia filamentosa
Family: Cyprinidae
Origin: India, Sri Lanka
Size: 6 – 8 inches (15 – 20 cm)
Lifespan: 8 – 10 years
Tank Zone: Mid & bottom dwellers
🌊 Water Parameters
TDS: 150 – 300 ppm
pH: 6.0 – 7.5
Temperature: 22 – 27°C (72 – 81°F)
Hardness: 5 – 15 dGH
🐟 Characteristics
Silver body with a dark lateral line and reddish fins.
Males develop long filament-like extensions on dorsal fins.
Active, fast swimmers and peaceful shoaling fish.
Display best colors in planted or natural setups.
🍽️ Food
Type: Omnivorous.
Diet: High-quality pellets, flakes, live/frozen foods (bloodworms, brine shrimp, daphnia), blanched vegetables.
Feeding: 2–3 times daily in small portions.
🛠️ Maintenance
Tank Size: Minimum 55 gallons (for a small group).
Filtration: Strong filter with good water movement.
Decor: Open swimming space, plants, driftwood, rocks.
Water Change: 30–40% weekly.
👥 Social Behavior
Minimum Group Size: 6 or more (shoaling species).
Tank Mates: Tetras, Rasboras, Gouramis, Loaches, Corydoras, other peaceful barbs.
Avoid: Aggressive cichlids, fin-nippers, or very small fish (may get chased).
✅ Do’s
Keep in groups to reduce stress and aggression.
Provide open areas for swimming and planted zones for resting.
Use strong filtration to handle their activity.
❌ Don’ts
Don’t keep in small tanks – they need space.
Don’t mix with aggressive or territorial fish.
Don’t keep in poor water quality (sensitive to dirty tanks).
⭐ Quick Tips
Large, active, and beautiful shoaling fish.
Best suited for medium to large community aquariums.
Males with long dorsal filaments make them stand out as a centerpiece spe




