Can Cherry Barb live with Hillstream Loach?
Case-by-case. Watch group sizes, tank size, and feeding zones.
Why Cherry Barb and Hillstream Loach Don't Make an Easy Pair
They can coexist, but you need to manage the setup carefully. The temperature margin is tight — only 2°F of safe overlap, which leaves little room for thermostat drift.
Cherry Barb
Puntius titteya
| Adult Size: | 2.0" |
| Temperament: | peaceful |
| Min Tank: | 15 gal |
| Temperature: | 73-81°F |
| pH Range: | 6.0-7.5 |
Hillstream Loach
Sewellia lineolata
| Adult Size: | 2.5" |
| Temperament: | peaceful |
| Min Tank: | 20 gal |
| Temperature: | 64-75°F |
| pH Range: | 6.5-7.5 |
Water Parameter Overlap
| Parameter | Cherry Barb | Hillstream Loach | Overlap |
|---|---|---|---|
| Temperature | 73-81°F | 64-75°F | 2°F ✓ |
| pH | 6.0-7.5 | 6.5-7.5 | 1.0 ✓ |
Compatibility Breakdown
Temperament Match: peaceful + peaceful. Both peaceful → minimal conflict.
Score: 70.0/100 (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 73°F and 75°F.
- pH: maintain 6.5 – 7.5.
- Hiding spots: essential for Cherry 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:
Algae wafers for herbivorous bottom feeders
Explore Related Checks
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Accuracy note: This tool uses expert rules + FishBase.org data. Individual fish behavior varies — a peaceful individual Cherry 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.