Can Harlequin Rasbora live with Tiger Barb?
🟢 GOOD
These two species are usually compatible in community tanks.
Harlequin Rasbora
Trigonostigma heteromorpha
| Adult Size: | 2.0" |
| Temperament: | peaceful |
| Min Tank: | 10 gal |
| Temperature: | 73-79°F |
| pH Range: | 5.5-7.0 |
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 |
Water Parameter Overlap
| Parameter | Harlequin Rasbora | Tiger Barb | Overlap |
|---|---|---|---|
| Temperature | 73-79°F | 74-79°F | 5°F ✓ |
| pH | 5.5-7.0 | 6.0-7.0 | 1.0 ✓ |
Why GOOD?
Temperament Match: peaceful + semi-aggressive. Semi-aggressive → watch territory and feeding.
Score: 90.0/100 (GOOD threshold: GOOD ≥80, CAUTION ≥50, RISKY <50).
🔧 Tank Stocking Calculator
Enter tank size to calculate safe stocking levels:
Recommended Equipment
Based on tank size 10+ gallons:
Seachem Flourish Excel — $12.99
Plant supplement for planted tanks
Accuracy note: This tool uses expert rules + FishBase.org data. Individual fish behavior varies. Always observe, quarantine new arrivals for 2-4 weeks, and avoid overcrowding.