Danios — Complete Guide
Active, hardy schooling fish that tolerate cool water. Danios are fast swimmers and perfect for beginners. They are among the most disease-resistant aquarium fish.
Species in this group
Our database includes 2 danios with full care guides, compatibility info, and stocking recommendations.
Quick comparison
| Species | Min tank | Adult size | Temperature | pH | Temperament | Care |
|---|---|---|---|---|---|---|
| Zebra Danio | 10 gal | 2" | 64-77°F | 6.5-7.5 | Peaceful | Easy |
| Celestial Pearl Danio | 10 gal | 1" | 72-79°F | 6.5-7.5 | Peaceful | Moderate |
Care tips for Danios
When keeping danios, consider these general guidelines:
- Water parameters: Match temperature, pH, and hardness across all species in your tank.
- Group size: Schooling species need groups of 6+ to reduce stress and show natural behavior.
- Diet: Provide a varied diet of quality flakes, pellets, and frozen foods.
- Tank setup: Research each species’ specific needs for decoration, flow, and swimming space.
Frequently asked questions
What are the best Danios for aquariums?
Popular danios for home aquariums include Zebra Danio, Celestial Pearl Danio. Each species has unique care requirements — check individual guides for details.
Can different danios live together?
Most danios are compatible with each other if water parameters overlap. Use our compatibility checker to compare any two species before adding them together.
What tank size do danios need?
Tank size depends on the species. Danios range from 10 to 10 gallons minimum. Always check individual species requirements.