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Quick Facts

Scientific Name : Metynnis Argenteus

Size : 15 - 18cm

Diet : Herbivore

Water Conditions : 24 - 28 ºC; pH 6 - 7.5; 

dH 8 - 15

Care Level : Easy

Reproduction : Egg Layers

 

Metynnis Argenteus

       
The Silver Dollar Fish can be found in parts of South America, and has nowadays successfully been bred in the Asian countries. They are mostly in a brilliant silver colour and it normally grows till about 6 inches. They usually do well in groups of 6 or more as they are very sensitive to the surroundings. For this reason, they could easily hurt themselves if you come up to them too fast.

The gender of the Silver Dollar Fish can only be differentiated by the physical appearance of the fins. The anal fins of the males are usually longer than the females, and they are also generally red on the leading edges for the males. This can be seen in a clearer way when both the males and females are put into the same tank and are seen together.

During its breeding process, it is always advisable to place the Silver Dollar Fish away from the other species of fishes as the other fishes might consume the eggs or fry. Firstly, make sure the water is soft (below 8 °dH) and warm (80 – 82 °F) and also that the lighting is dim. If possible, provide the fishes with fine leafed plants, which can be eaten, instead of plastic plants. Eventually a pair will spawn in the morning hours near the surface of the water between clumps of plants and the female will lay up to 2000 eggs. The eggs will then fall to the bottom of the tank and hatch in 3 days. After about a week, the fry will be able to swim freely and eat fine foods such as freshly hatched brine shrimp.

The Silver Dollar Fish is best kept in a planted aquarium with soft moderately acidic water, subdued lighting and plenty of room as well as good hiding places.

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