Neon Tetra and Silver Dollar Compatibility Overview
Short answer: Yes. Both do well at 75-80°F and both are peaceful. Match the tank size and group size in the table below and both should do well.
Neon Tetra and Silver Dollar 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 75-gallon tank is recommended to provide adequate territory and water volume for both species.
| Factor | Neon Tetra | Silver Dollar | Verdict |
|---|---|---|---|
| Temperature | 72–80°F | 75–82°F | ✅ 75–80°F |
| pH Range | 6.0–7.5 | 6.0–7.0 | ✅ 6.0–7.0 |
| Temperament | peaceful | peaceful | ✅ Compatible |
| Adult Size | 1.5 in | 5.9 in | ⚠️ 3.9× difference |
| Min. Group | 6+ | 5+ | See below |
| Min. Tank Size | 75 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.
Silver Dollar — Metynnis argenteus
The Metynnis argenteus, known as the Silver Dollar fish, is a popular freshwater species with a distinctive silver color and disc-shaped body. They require a spacious tank and are best kept in groups to prevent bullying. Their peaceful nature makes them suitable for community tanks, but they are not known to school.
Frequently Asked Questions
Can Neon Tetra live with Silver Dollar?
Yes, in a well-planned setup. Neon Tetra and Silver Dollar 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 75-gallon tank is recommended to provide adequate territory and water volume for both species.
What tank size do I need for Neon Tetra and Silver Dollar together?
A minimum of 75 gallons is recommended for keeping Neon Tetra and Silver Dollar together. A larger tank improves water stability and reduces territorial conflict.
What temperature suits both Neon Tetra and Silver Dollar?
75–80°F — inside Neon Tetra's 72–80°F and Silver Dollar's 75–82°F.
Is a Neon Tetra aggressive toward a Silver Dollar?
Neon Tetra is peaceful and Silver Dollar is peaceful. No major aggression issues are expected between these species.
More Good Tank Mates for Neon Tetra and Silver Dollar
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 Silver Dollar
- Kuhli Loach — 98/100
- Congo Tetra — 96/100
- Keyhole Cichlid — 96/100
- Moonlight Gourami — 93/100
- African Butterfly Fish — 92/100
Related Compatibility Guides
Tank Size for Neon Tetra and Silver Dollar
Use the scenario that matches the actual group sizes and temperament you plan to keep.
| Scenario | Tank | When it applies |
|---|---|---|
| Minimum viable | 75 gal | Only for the recommended minimum groups, mature filtration, and close monitoring. |
| Recommended community | 125 gal | Adds territory, swimming room, and a safer buffer for behavior. |
| Low-conflict setup | 150 gal | Best when keeping larger schools or reducing territorial pressure. |