Can Boeseman's Rainbowfish live with Cherry Shrimp?
High risk due to water mismatch, aggression, or predation.
Why Boeseman's Rainbowfish and Cherry Shrimp Don't Make an Easy Pair
The size gap is 3.3" — Boeseman's Rainbowfish (4.5") and Cherry Shrimp (1.2"). A fish that fits in another fish's mouth will eventually end up there.
Boeseman's Rainbowfish
Melanotaenia boesemani
| Adult Size: | 4.5" |
| Temperament: | peaceful |
| Min Tank: | 30 gal |
| Temperature: | 75-82°F |
| pH Range: | 7.0-8.0 |
Cherry Shrimp
Neocaridina davidi
| Adult Size: | 1.2" |
| Temperament: | peaceful |
| Min Tank: | 5 gal |
| Temperature: | 64-76°F |
| pH Range: | 6.5-7.5 |
Water Parameter Overlap
| Parameter | Boeseman's Rainbowfish | Cherry Shrimp | Overlap |
|---|---|---|---|
| Temperature | 75-82°F | 64-76°F | 1°F ✓ |
| pH | 7.0-8.0 | 6.5-7.5 | 0.5 ✓ |
Compatibility Breakdown
Temperament Match: peaceful + peaceful. Both peaceful → minimal conflict.
⚠️ Size Predation Risk: Boeseman's Rainbowfish (4.5") vs Cherry Shrimp (1.2"). A 3.3" gap — the larger fish will view the smaller fish as food.
Score: 20.0/100 (GOOD ≥80, CAUTION ≥50, RISKY <50).
🔧 Tank Setup Requirements (for Both)
- Minimum tank: 30 gallons — sized for the larger fish in the pair.
- Temperature: keep it between 75°F and 76°F.
- pH: maintain 7.0 – 7.5.
- Hiding spots: essential for Boeseman's Rainbowfish — 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 30+ gallons:
High-quality flake food for rainbowfish
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Accuracy note: This tool uses expert rules + FishBase.org data. Individual fish behavior varies — a peaceful individual Boeseman's Rainbowfish 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.