Can Bichir live with Flowerhorn?
Case-by-case. Watch group sizes, tank size, and feeding zones.
Why Bichir and Flowerhorn Don't Make an Easy Pair
They can coexist, but you need to manage the setup carefully. The temperament combination (semi-aggressive+aggressive) can work, but you will need to watch them at feeding time for the first week.
Bichir
Polypterus senegalus
| Adult Size: | 12.0" |
| Temperament: | semi-aggressive |
| Min Tank: | 55 gal |
| Temperature: | 75-82°F |
| pH Range: | 6.5-7.5 |
Flowerhorn
Amphilophus hybrid
| Adult Size: | 12.0" |
| Temperament: | aggressive |
| Min Tank: | 75 gal |
| Temperature: | 78-86°F |
| pH Range: | 6.5-8.0 |
Water Parameter Overlap
| Parameter | Bichir | Flowerhorn | Overlap |
|---|---|---|---|
| Temperature | 75-82°F | 78-86°F | 4°F ✓ |
| pH | 6.5-7.5 | 6.5-8.0 | 1.0 ✓ |
Compatibility Breakdown
Temperament Match: semi-aggressive + aggressive. One aggressive → predation/nipping risk.
Score: 65.0/100 (GOOD ≥80, CAUTION ≥50, RISKY <50).
🔧 Tank Setup Requirements (for Both)
- Minimum tank: 75 gallons — sized for the larger fish in the pair.
- Temperature: keep it between 78°F and 82°F.
- pH: maintain 6.5 – 7.5.
- Hiding spots: essential for Bichir — 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 75+ gallons:
Large pellet food for big cichlids like flowerhorn
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 Bichir 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.