Rasboras — Complete Guide
Peaceful schooling fish from Southeast Asia. Rasboras are small, colorful, and perfect for nano tanks. They thrive in soft, slightly acidic water.
Species in this group
Our database includes 2 rasboras with full care guides, compatibility info, and stocking recommendations.
Quick comparison
| Species | Min tank | Adult size | Temperature | pH | Temperament | Care |
|---|---|---|---|---|---|---|
| Harlequin Rasbora | 10 gal | 1.8" | 73-82°F | 6-7.5 | Peaceful | Easy |
| Chili Rasbora | 5 gal | 0.7" | 75-82°F | 5-7 | Peaceful | Moderate |
Care tips for Rasboras
When keeping rasboras, 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 Rasboras for aquariums?
Popular rasboras for home aquariums include Harlequin Rasbora, Chili Rasbora. Each species has unique care requirements — check individual guides for details.
Can different rasboras live together?
Most rasboras 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 rasboras need?
Tank size depends on the species. Rasboras range from 5 to 10 gallons minimum. Always check individual species requirements.