Description
Rosy Barb (Pethia conchonius)
📌 Basic Info
Scientific Name: Pethia conchonius
Family: Cyprinidae
Origin: South Asia (India, Nepal, Bangladesh, Pakistan)
Size: 4 – 6 inches (10 – 15 cm)
Lifespan: 5 – 7 years
Tank Zone: Mid & bottom dwellers
🌊 Water Parameters
TDS: 150 – 300 ppm
pH: 6.0 – 7.5
Temperature: 18 – 25°C (64 – 77°F)
Hardness: 5 – 15 dGH
🐟 Characteristics
Males develop a beautiful rosy-pink to red body, especially during breeding.
Females are larger, rounder, and more silver/gold.
Peaceful and hardy, suitable for beginners.
Active swimmers that brighten up community tanks.
Can tolerate slightly cooler water compared to many tropical fish.
🍽️ Food
Type: Omnivorous.
Diet: Flakes, micro-pellets, frozen/live foods (bloodworms, brine shrimp, daphnia), blanched veggies (spinach, cucumber, peas).
Feeding: 2–3 times daily in small portions.
🛠️ Maintenance
Tank Size: Minimum 30 gallons (larger for groups).
Filtration: Moderate to strong, with good water movement.
Decor: Plants (hardy types), driftwood, smooth rocks, open swimming space.
Water Change: 25–30% weekly.
👥 Social Behavior
Minimum Group Size: 5–6 (schooling fish; keeps them active & peaceful).
Tank Mates: Danios, Barbs, Tetras, Loaches, Corydoras, Gouramis.
Avoid: Very slow or long-finned fish (they may nip fins occasionally).
✅ Do’s
Keep in groups for best color and behavior.
Provide open swimming space plus plants for hiding.
Use a well-filtered, oxygen-rich tank.
❌ Don’ts
Don’t keep in very small tanks (they are active).
Don’t keep alone – they lose color and become shy.
Don’t house with delicate, fancy-finned fish.
⭐ Quick Tips
Hardy, colorful, and peaceful barb – great for community aquariums.
Males show their best red colors when kept with females.
Can live in slightly cooler tanks, making them versatile.






