Can Tiger Barb live with Zebra Danio?
High risk due to water mismatch, aggression, or predation.
Why Tiger Barb and Zebra Danio Don't Make an Easy Pair
The temperament mismatch (semi-aggressive + peaceful) makes this a high-risk pairing. Injuries, stress, and hiding behavior are likely.
Tiger Barb
Puntigrus tetrazona
| Adult Size: | 3.0" |
| Temperament: | semi-aggressive |
| Min Tank: | 20 gal |
| Temperature: | 74-79°F |
| pH Range: | 6.0-7.0 |
Zebra Danio
Danio rerio
| Adult Size: | 2.0" |
| Temperament: | peaceful |
| Min Tank: | 10 gal |
| Temperature: | 64-75°F |
| pH Range: | 6.5-7.5 |
Water Parameter Overlap
| Parameter | Tiger Barb | Zebra Danio | Overlap |
|---|---|---|---|
| Temperature | 74-79°F | 64-75°F | 1°F ✓ |
| pH | 6.0-7.0 | 6.5-7.5 | 0.5 ✓ |
Compatibility Breakdown
Temperament Match: semi-aggressive + peaceful. Semi-aggressive → watch territory and feeding.
Score: 40.0/100 (GOOD ≥80, CAUTION ≥50, RISKY <50).
🔧 Tank Setup Requirements (for Both)
- Minimum tank: 20 gallons — sized for the larger fish in the pair.
- Temperature: keep it between 74°F and 75°F.
- pH: maintain 6.5 – 7.0.
- Hiding spots: essential for Tiger Barb — caves, plants, or driftwood to retreat when feeling stressed.
- Water changes: 25% weekly minimum. Two species mean double the bioload.
🔧 Tank Stocking Calculator
Enter tank size to calculate safe stocking levels:
Recommended Equipment
Based on tank size 20+ gallons:
Hang-on-back filter for barb tanks
Explore Related Checks
See what else works with these fish:
Accuracy note: This tool uses expert rules + FishBase.org data. Individual fish behavior varies — a semi-aggressive individual Tiger Barb may act differently from its species average. Always observe, quarantine new arrivals for 2-4 weeks, and avoid overcrowding. If a pairing says CAUTION, start with a smaller group and a lid.