Zebra Danio Care Guide
Danio rerio
Zebra Danio hero image
Use a sharp, accurately identified Zebra Danio photo in a natural freshwater aquarium setting.
Key Takeaways
- Zebra Danio needs at least 10 gallons, with 20 gallons preferred.
- Keep water between 18-25°C and pH 6.5-7.5.
- Keep a group of at least 6 to reduce stress.
Quick Facts
Difficulty: beginner
Min Tank: 10 gallons
Size: 5 cm
Group: 6+
Temperature: 18-25°C
pH: 6.5-7.5
Temperament: peaceful
Swimming: top
Diet: omnivore
Lifespan: 3-5 years
Care Overview
Zebra danios are hardy, active schooling fish that are perfect for beginners. They are known for their horizontal stripes and energetic swimming.
Ideal Tank Setup
Zebra Danio tank setup image
Show the recommended 10+ gallon setup, substrate, hiding spots, and swimming area for Zebra Danio.
A 10+ gallon tank with a lid (they jump). They prefer cooler water than most tropical fish. Include plants and open swimming areas. Keep in groups of 6+.
Diet and Feeding
Omnivores that eat flake food, small pellets, and live or frozen foods. Feed 2 times daily.
Best Tank Mates
- Other danios
- Tetras
- Corydoras
- White cloud minnows
Fish to Avoid
- Slow, long-finned fish (they may nip)
- Large aggressive fish
Common Problems
- Jumping out of uncovered tanks
- Fin nipping
Common Beginner Mistakes
- Using a tank smaller than 10 gallons, which makes water quality harder to keep stable.
- Ignoring adult size, group size, or temperament when choosing tank mates.
- Changing too much water or filter media at once before checking ammonia and nitrite.
Frequently Asked Questions
Do zebra danios need a school?
Yes. Keep at least 6 together. They are schooling fish and will be stressed and may nip other fish if kept in smaller groups.
Related Tools
Sources and Review Process
- Freshwater aquarium husbandry references for water quality, tank size, and stocking guidance.
- Species profiles and compatibility rules maintained in the TankWise data set.
- Aquarium health guidance is educational and should not replace an aquatic veterinarian for severe symptoms.