Description
Denison Barb (Sahyadria denisonii)
📌 Basic Info
Scientific Name: Sahyadria denisonii
Family: Cyprinidae
Origin: India (Western Ghats rivers)
Size: 4 – 6 inches (10 – 15 cm)
Lifespan: 5 – 7 years (longer with good care)
Tank Zone: Mid dwellers
🌊 Water Parameters
TDS: 100 – 250 ppm
pH: 6.5 – 7.5
Temperature: 22 – 27°C (72 – 81°F)
Hardness: 5 – 12 dGH
🐟 Characteristics
Also called Roseline Shark or Red-Line Torpedo Barb.
Silver body with a bold black horizontal line and a bright red stripe above it.
Tail fin often tipped with yellow and black.
Very active swimmers, prefer long tanks.
Peaceful but energetic – need companions of similar size and speed.
🍽️ Food
Type: Omnivorous.
Diet: High-quality flakes, micro-pellets, bloodworms, brine shrimp, daphnia, spirulina, blanched veggies (spinach, zucchini).
Feeding: 2–3 times daily in small portions.
🛠️ Maintenance
Tank Size: Minimum 55 gallons (larger for schools).
Filtration: Strong filter with high oxygen flow (they love current).
Decor: Open swimming space with rocks, driftwood, and hardy plants.
Water Change: 25–30% weekly.
👥 Social Behavior
Minimum Group Size: 6 or more (shoaling fish; small groups cause stress).
Tank Mates: Rainbowfish, large Tetras, Barbs, Gouramis, Plecos, peaceful Cichlids.
Avoid: Slow or long-finned fish (they may outcompete or nip).
✅ Do’s
Keep in groups for natural schooling behavior.
Provide a long tank with open swimming space.
Maintain strong water flow and oxygen.
❌ Don’ts
Don’t keep singly or in pairs – they get stressed.
Don’t overcrowd or keep in small tanks.
Don’t mix with tiny fish that may be intimidated.
⭐ Quick Tips
One of the most stunning barbs with a torpedo shape and red stripe.
Active, peaceful shoaler – best in large, well-filtered aquariums.
Perfect centerpiece fish for medium to large tanks



