Compatibility Overview
Cherry Shrimp and Molly can potentially coexist, but the combination requires careful attention. Some combination of water parameter differences, size mismatch, or temperament issues make this pair challenging. A larger tank (minimum 75 gallons), dense planting, and close monitoring are essential.
| Factor | Cherry Shrimp | Molly | Verdict |
|---|---|---|---|
| Temperature | 65–80°F | 72–82°F | ✅ 72–80°F |
| pH Range | 6.5–8.0 | 7.5–8.5 | ⚠️ 7.5–8.0 (narrow) |
| Temperament | peaceful | peaceful | ✅ Compatible |
| Adult Size | 0.8 in | 4 in | ❌ 5× difference |
| Min. Group | 10+ | 3+ | See below |
| Min. Tank Size | 75 gallons (for both species) | — | |
✅ Compatibility Positives
⚠️ Caution Points
Species Profiles
Cherry Shrimp — Neocaridina davidi
Bright red freshwater shrimp that are excellent algae cleaners. Very small — at risk from any fish large enough to eat them.
→ Full Cherry Shrimp care guide
Molly — Poecilia sphenops
Hardy livebearers that prefer alkaline, hard water — sometimes slightly brackish. Prolific breeders; peaceful community fish.
Frequently Asked Questions
Can Cherry Shrimp live with Molly?
With significant caution and a larger tank. Cherry Shrimp and Molly can potentially coexist, but the combination requires careful attention. Some combination of water parameter differences, size mismatch, or temperament issues make this pair challenging. A larger tank (minimum 75 gallons), dense planting, and close monitoring are essential.
What tank size do I need for Cherry Shrimp and Molly together?
A minimum of 75 gallons is recommended for keeping Cherry Shrimp and Molly together. A larger tank improves water stability and reduces territorial conflict.
What temperature suits both Cherry Shrimp and Molly?
72–80°F
Is a Cherry Shrimp aggressive toward a Molly?
Cherry Shrimp is peaceful and Molly is peaceful. Limited pH overlap (7.5–8.0) — maintain pH carefully within this narrow window.