Denisoni Barb

Overview

The Denison Barb / Red Line Torpedo Barb (Sahyadria denisonii) is a fast, torpedo-shaped schooling barb from India with a distinctive red lateral stripe and black markings. A premium species that needs a large, well-maintained aquarium.

Water Parameters

• Temperature: 18–25°C (64–77°F); prefers cooler, well-oxygenated water
• pH: 6.5–7.5
• Hardness: 8–15 dGH
• Note: Very sensitive to poor water quality

Tank Setup

• Minimum tank size: 250 litres for 6+
• Substrate: Rounded gravel or sand (they are active and may injure themselves on sharp substrate)
• Decor: Open swimming space essential; they are powerful, fast swimmers
• Flow: Moderate to strong; they appreciate current

Diet

• Base: Quality flake, sinking pellets
• Treats: Frozen bloodworms, brine shrimp, blanched vegetables, algae wafers
• Note: Varied diet essential for colour and health

Temperament & Tank Mates

• Temperament: Peaceful, very active schooling fish
• Best companions: Other large, peaceful fish — rainbowfish, larger tetras, gouramis
• Avoid: Small fish (may be outcompeted), slow long-finned fish
• Schooling: Minimum 6; they are shoaling fish and stress easily if kept alone

Common Issues

• Endangered in the wild — source captive-bred specimens when possible
• Very sensitive to water quality; excellent filtration essential
• Prone to skin flukes and bacterial infections if stressed
• Can jump when startled; secure lid essential
• Lifespan: 5–8 years with excellent care