Zebra Danio — Fish Profile
Danio rerio
Quick Specs
| Adult Size: | 2.0" |
| Temperament: | peaceful |
| Care Level: | beginner |
| Min Tank Size: | 10 gallons |
| Temperature: | 64-75°F |
| pH Range: | 6.5-7.5 |
| Diet: | omnivore |
| Origin: | South Asia |
| Lifespan: | 5+ years |
Overview
Zebra danios are active, schooling fish with distinctive horizontal stripes. They are extremely hardy and great for beginners.
Care Guide for Zebra Danio
Tank Setup
Zebra Danio requires a minimum tank size of 10 gallons. Maintain water temperature between 64°F and 75°F, with a pH range of 6.5 to 7.5. A properly sized tank with adequate filtration and regular water changes is essential for long-term health. When housing Zebra Danio with other species, always choose a tank size that accommodates the most demanding fish in the community.
Feeding
Zebra Danio is a omnivore feeder. Provide a varied diet appropriate for omnivore species to ensure optimal health and coloration. Feed small portions 2–3 times daily, and remove uneaten food after a few minutes to maintain water quality.
Temperament & Compatibility
This species is classified as peaceful. Zebra Danio reaches an adult size of 2.0 inches and has a care level of beginner. Always research compatibility before adding new fish to an established aquarium. Individual temperament can vary, so monitor new introductions closely for the first 48 hours.
Origin & Lifespan
Zebra Danio originates from South Asia and has an expected lifespan of 5+ years when kept in proper water conditions with appropriate tank mates and diet.
Compatible Tank Mates
🟢 Good Tank Mates
🟡 Caution Tank Mates
🔴 Risky Tank Mates
Compatibility Results for Zebra Danio
All 69 compatibility checks involving Zebra Danio:
Expert Care Tips for Zebra Danio
- Nano tank suitable: Zebra Danio can thrive in smaller tanks (10+ gal), but skip the bowl — even small fish need filtration and a heater.
- Cool-water species: Zebra Danio tolerates temperatures as low as 64°F. In most homes, no heater is needed, but watch for summer overheating above 75°F.
- Narrow pH tolerance: Zebra Danio only tolerates pH 6.5–7.5. Test your tap water before buying — adjusting pH is harder than choosing the right fish for your water.
- Peaceful community fish: Zebra Danio works well in community tanks. Still, avoid housing with fish large enough to eat them — a 2.0" fish is vulnerable to anything with a mouth bigger than 2×.
- Acclimation: Always drip-acclimate Zebra Danio over 30–45 minutes. Match temperature and pH gradually to prevent osmotic shock.