Can Dwarf Gourami live with Harlequin Rasbora?
🟡 CAUTION
Case-by-case. Watch group sizes, tank size, and feeding zones.
Dwarf Gourami
Trichogaster lalius
| Adult Size: | 3.5" |
| Temperament: | peaceful |
| Min Tank: | 20 gal |
| Temperature: | 77-82°F |
| pH Range: | 6.5-7.5 |
Harlequin Rasbora
Trigonostigma heteromorpha
| Adult Size: | 2.0" |
| Temperament: | peaceful |
| Min Tank: | 10 gal |
| Temperature: | 73-79°F |
| pH Range: | 5.5-7.0 |
Water Parameter Overlap
| Parameter | Dwarf Gourami | Harlequin Rasbora | Overlap |
|---|---|---|---|
| Temperature | 77-82°F | 73-79°F | 2°F ✓ |
| pH | 6.5-7.5 | 5.5-7.0 | 0.5 ✓ |
Why CAUTION?
Temperament Match: peaceful + peaceful. Both peaceful → minimal conflict.
Score: 60.0/100 (CAUTION threshold: GOOD ≥80, CAUTION ≥50, RISKY <50).
🔧 Tank Stocking Calculator
Enter tank size to calculate safe stocking levels:
Recommended Equipment
Based on tank size 20+ gallons:
Seachem Stability — $9.99
Beneficial bacteria for tank cycling
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.