Silver Dollar
Silver Dollar is a peaceful freshwater fish that needs a tank of at least 75 gallons (284 L), water at 75-82°F (24-28°C) and a pH of 6-7.5.
Also searched as: silver dollar, metynnis argenteus
Quick facts
Disc-shaped herbivore. Will eat plants. School of 5+. Skittish.
| Minimum tank | 75 gallons (284 L) |
|---|---|
| Temperature | 75-82°F (24-28°C) |
| pH | 6-7.5 |
| Temperament | Peaceful |
| Swim level | Middle |
| Group size | 5 or more together |
| Tank type | Freshwater |
Good tank mates
Ranked by water overlap and temperament, using the same checks as the MyAquaLog compatibility tool.
- Plecostomusmin tank 30 gal
Temperature overlap 75-82°F, pH overlap 6.5-7.5. Both species are peaceful.
- Siamese Algae Eatermin tank 30 gal
Temperature overlap 75-79°F, pH overlap 6-7.5. Both species are peaceful.
- Rummy Nose Tetramin tank 10 gal
Temperature overlap 75-81°F, pH overlap 6-7. Both species are peaceful.
- Red Hook Silver Dollarmin tank 100 gal
Temperature overlap 75-82°F, pH overlap 6-7. Both species are peaceful.
- Horseface Loachmin tank 55 gal
Temperature overlap 75-82°F, pH overlap 6-7.5. Both species are peaceful.
- Rope Fishmin tank 50 gal
Temperature overlap 75-82°F, pH overlap 6.5-7.5. Both species are peaceful.
- Royal Plecomin tank 125 gal
Temperature overlap 75-82°F, pH overlap 6.5-7.5. Both species are peaceful.
- Baby Whalemin tank 40 gal
Temperature overlap 75-82°F, pH overlap 6-7.5. Both species are peaceful.
Avoid with
Pairings that fail the temperament, water-overlap or known-conflict checks.
- Tropheusmin tank 75 gal
Aggressive species will harass or eat peaceful fish; no pH overlap (6-7.5 vs 8-9).
- African Cichlids (Mbuna)min tank 55 gal
Aggressive species will harass or eat peaceful fish; no pH overlap (6-7.5 vs 7.8-8.6).
Aggressive species will harass or eat peaceful fish.
Oscar Fishmin tank 55 galFlowerhorn Cichlidmin tank 70 galPiranhamin tank 100 gal
Check your own tank
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