Neon Tetra and Platy Compatibility Overview
Short answer: Yes. Both do well at 72-80°F and both are peaceful. Match the tank size and group size in the table below and both should do well.
Neon Tetra and Platy 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 | Neon Tetra | Platy | Verdict |
|---|---|---|---|
| Temperature | 72–80°F | 65–80°F | ✅ 72–80°F |
| pH Range | 6.0–7.5 | 7.0–8.5 | ⚠️ 7.0–7.5 (narrow) |
| Temperament | peaceful | peaceful | ✅ Compatible |
| Adult Size | 1.5 in | 2.5 in | ✅ Similar |
| Min. Group | 6+ | 3+ | See below |
| Min. Tank Size | 20 gallons (for both species) | — | |
Compatibility Positives
Caution Points
Species Profiles
Neon Tetra — Paracheirodon innesi
Iconic schooling fish with vivid electric-blue and red stripes. Hardy in captivity; suitable for most peaceful community setups.
Platy — Xiphophorus maculatus
Hardy livebearers that are among the easiest fish to keep. Peaceful with virtually all community species. Prolific breeders.
Frequently Asked Questions
Can Neon Tetra live with Platy?
Yes, in a well-planned setup. Neon Tetra and Platy 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 Neon Tetra and Platy together?
A minimum of 20 gallons is recommended for keeping Neon Tetra and Platy together. A larger tank improves water stability and reduces territorial conflict.
What temperature suits both Neon Tetra and Platy?
72–80°F — inside Neon Tetra's 72–80°F and Platy's 65–80°F.
Is a Neon Tetra aggressive toward a Platy?
Neon Tetra is peaceful and Platy is peaceful. No major aggression issues are expected between these species.
More Good Tank Mates for Neon Tetra and Platy
The highest-scoring compatible partners for each species in our compatibility data.
For Neon Tetra
- Dwarf Chain Loach — 98/100
- Panda Cory — 98/100
- Pearl Danio — 98/100
- Peppered Cory — 98/100
- Pygmy Corydoras — 98/100
For Platy
- Mystery Snail — 96/100
- Corydoras — 93/100
- Guppy — 92/100
- Molly — 92/100
- Nerite Snail — 91/100
Related Compatibility Guides
Tank Size for Neon Tetra and Platy
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. |