Silver dollar care
Metynnis argenteus
Silver dollar (Metynnis argenteus) grows to about 15 cm (5.9 in) and needs a tank of at least 300 liters (79 US gallons). Keep it at 24–28 °C (75–82 °F) with a pH of 5–7.5.
FreshwaterEasyPeacefulEats plants
Adult size15 cm · 5.9 in
Smallest tank300 L · 79 gal
Temperature24–28 °C · 75–82 °F
pH5–7.5
GroupGroups of 5+
TemperamentPeaceful
SwimsMiddle
DietHerbivore
Usually fine with
Neon tetraGuppyBetta (Siamese fighting fish)PlatyCardinal tetraBronze corydorasZebra danioHarlequin rasboraAngelfishMollyBristlenose plecoCherry barb
Avoid with
Paradise fishWhite cloud minnowConvict cichlidOscarJack DempseyDemasoni cichlidCommon goldfishKoiPea pufferFigure-eight puffer
Track your tank with Guppi
Log water tests by tapping your kit’s colors, get water change reminders and check every tankmate before you buy.
Typical ranges from hobby references, checked by hand. Individual fish and local water vary.
Dólar de plataPacu-prataDollar d'argentSilberdollarDollaro d'argentoGümüş dolar