Guppy and Neon Tetra Compatibility Overview
Guppy and Neon Tetra can generally share an aquarium with appropriate planning. Both species prefer overlapping temperature and pH ranges. Both species are peaceful, and neither poses a major aggression risk to the other. A minimum 20-gallon tank is recommended to provide adequate territory and water volume for both species.
| Factor | Guppy | Neon Tetra | Verdict |
|---|---|---|---|
| Temperature | 72โ82ยฐF | 72โ80ยฐF | โ 72โ80ยฐF |
| pH Range | 6.8โ8.5 | 6.0โ7.5 | โ ๏ธ 6.8โ7.5 (narrow) |
| Temperament | peaceful | peaceful | โ Compatible |
| Adult Size | 2.5 in | 1.5 in | โ Similar |
| Min. Group | 3+ | 6+ | See below |
| Min. Tank Size | 20 gallons (for both species) | โ | |
Compatibility Positives
Caution Points
Species Profiles
Guppy โ Poecilia reticulata
Hardy and colourful livebearers. Males' long flowing tails make them targets for fin-nipping species. Very prolific breeders.
Neon Tetra โ Paracheirodon innesi
Iconic schooling fish with vivid electric-blue and red stripes. Hardy in captivity; suitable for most peaceful community setups.
Frequently Asked Questions
Can Guppy live with Neon Tetra?
Yes, in a well-planned setup. Guppy and Neon Tetra can generally share an aquarium with appropriate planning. Both species prefer overlapping temperature and pH ranges. Both species are peaceful, and neither poses a major aggression risk to the other. A minimum 20-gallon tank is recommended to provide adequate territory and water volume for both species.
What tank size do I need for Guppy and Neon Tetra together?
A minimum of 20 gallons is recommended for keeping Guppy and Neon Tetra together. A larger tank improves water stability and reduces territorial conflict.
What temperature suits both Guppy and Neon Tetra?
72โ80ยฐF โ inside Guppy's 72โ82ยฐF and Neon Tetra's 72โ80ยฐF.
Is a Guppy aggressive toward a Neon Tetra?
Guppy is peaceful and Neon Tetra is peaceful. No major aggression issues are expected between these species.
Related Compatibility Guides
Tank Size for Guppy and Neon Tetra
Use the scenario that matches the actual group sizes and temperament you plan to keep.
| Scenario | Tank | When it applies |
|---|---|---|
| Minimum viable | 20 gal | Only for the recommended minimum groups, mature filtration, and close monitoring. |
| Recommended community | 29 gal | Adds territory, swimming room, and a safer buffer for behavior. |
| Low-conflict setup | 55 gal | Best when keeping larger schools or reducing territorial pressure. |