Description

Common Zebra Danio (Danio rerio)

📌 Basic Info

• Scientific Name: Danio rerio

• Family: Cyprinidae

• Origin: South Asia (India, Bangladesh, Nepal)

• Size: 1.5 – 2 inches (4 – 5 cm)

• Lifespan: 3 – 5 years

• Tank Zone: Mid & top dwellers

🌊 Water Parameters

• TDS: 100 – 250 ppm

• pH: 6.5 – 7.5

• Temperature: 22 – 28°C (72 – 82°F)

• Hardness: 5 – 12 dGH

🐟 Characteristics

• Slim body with horizontal black and silver stripes.

• Active, social, and very hardy – beginner-friendly.

• Peaceful, energetic swimmers; prefer to be in groups.

• Can jump – tank lid recommended.

🍽️ Food

• Type: Omnivorous.

• Diet: Flakes, micro-pellets, live/frozen foods (daphnia, brine shrimp, bloodworms).

• Feeding: 2–3 small meals daily; avoid overfeeding.

🛠️ Maintenance

• Tank Size: Minimum 10 gallons for a small school.

• Filtration: Moderate flow, well-oxygenated water.

• Decor: Plants, driftwood, open swimming areas.

• Water Change: 25% weekly.

👥 Social Behavior

• Minimum Group Size: 5–6 or more (shoaling fish).

• Tank Mates: Other small peaceful fish – Guppies, Rasboras, Corydoras, small Barbs.

• Avoid: Large aggressive fish that may eat them.

✅ Do’s

• Keep in schools to reduce stress and aggression.

• Provide hiding spots with plants or decor.

• Maintain clean, well-oxygenated water.

❌ Don’ts

• Don’t keep alone – they become stressed and timid.

• Don’t mix with very large or aggressive species.

• Don’t overcrowd the tank.

⭐ Quick Tips

• Hardy, colorful, and ideal for beginners.

• Great for community tanks and active swimming displays.

• Can adapt to a wide range of water conditions.