Back to species
Species profile

Silver Dollar

Metynnis argenteus / Metynnis hypsauchen

Silver Dollar (Metynnis argenteus / Metynnis hypsauchen) aquarium profile: minimum 75 gallon tank, 6 inch adult size, 75-82°F temperature range, and moderate care. Keep a group of at least 6.

Community leaningModerate care
Silver Dollar aquarium fish
75 galMinimum tank
6 inAdult size
6Schooling minimum
75-82°FTemperature

Water Range

pH
6-7.5
GH
4-18 dGH
KH
2-10 dKH

Behavior

Temperament
Peaceful
Fin nipping
0/5
Territory
1/5

Diet and Care

Diet
herbivore/omnivore
Diet difficulty
2/5
Care difficulty
3/5

Planning Notes

Moderate care needs; may require mature grazing surfaces or supplemental fresh/frozen foods.

This species may need live, frozen, fresh, or otherwise specialized foods.

live or fresh foodlarge adult sizeneeds review
Check a tank plan

Use the checker before adding Silver Dollar to compare tank size, cycle status, cover, and tankmates.

Open checkerAquarium guides

Read setup, cycling, stocking, and care guides before buying fish.

Browse blogs