How To Care For A Dollar Fish. SubscribeBasic care guide for silver dollar fish Metynnis argenteusSouth AmericanThrive in water of pH 6-7should be kep. Silver dollars are a fairly hardy fish.
Although this fish is fairly durable the aquarist must maintain a very large tank for them. Therefore water should be regularly replaced and at least 25-50 percent of the water should be replaced every other week. 6 - 7 inches 15 - 18 cm pH.
Five potentially ten-inch fish is potentially a whole lot of fish.
Silver dollars prefer subdued lighting dark substrate plenty of room to move about as well as many good hiding places. Third Silver Dollars do not grow nearly as fast as your Oscar. To prevent overfeeding adjust how much you feed them until they can finish each meal in 3 minutes. However they prefer an herbivorous diet.