Compatibility Overview
Cherry Barb and Guppy can generally share an aquarium with appropriate planning. Both species prefer overlapping temperature and pH ranges, and neither poses a major aggression risk to the other. A minimum 40-gallon tank is recommended to provide adequate territory and water volume for both species.
| Factor | Cherry Barb | Guppy | Verdict |
|---|---|---|---|
| Temperature | 73–81°F | 72–82°F | ✅ 73–81°F |
| pH Range | 6.0–8.0 | 6.8–8.5 | ✅ 6.8–8.0 |
| Temperament | peaceful | peaceful | ✅ Compatible |
| Adult Size | 2 in | 2.5 in | ✅ Similar |
| Min. Group | 6+ | 3+ | See below |
| Min. Tank Size | 40 gallons (for both species) | — | |
✅ Compatibility Positives
⚠️ Caution Points
Species Profiles
Cherry Barb — Puntius titteya
Unlike most barbs, cherry barbs are peaceful schooling fish safe with bettas and nano species. Males turn vivid red when in breeding condition.
Guppy — Poecilia reticulata
Hardy and colourful livebearers. Males' long flowing tails make them targets for fin-nipping species. Very prolific breeders.
Frequently Asked Questions
Can Cherry Barb live with Guppy?
Yes, in a well-planned setup. Cherry Barb and Guppy can generally share an aquarium with appropriate planning. Both species prefer overlapping temperature and pH ranges, and neither poses a major aggression risk to the other. A minimum 40-gallon tank is recommended to provide adequate territory and water volume for both species.
What tank size do I need for Cherry Barb and Guppy together?
A minimum of 40 gallons is recommended for keeping Cherry Barb and Guppy together. A larger tank improves water stability and reduces territorial conflict.
What temperature suits both Cherry Barb and Guppy?
73–81°F
Is a Cherry Barb aggressive toward a Guppy?
Cherry Barb is peaceful and Guppy is peaceful. No major aggression issues are expected between these species.