Metynnis argenteus
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| Metynnis argenteus Ahl, 1923 |
The silver dollar (Metynnis argenteus) is a tropical fish belonging to the Characidae family which is closely related to pirahna and pacú. Originating in the Tapajós River basin in South America, this somewhat round-shaped silver fish with slight red-tinged anal fin is mostly found in tanks kept by fish-keeping hobbyists. It will grow to a maximum length of 14 centimeters (5.5 inches).
The silver dollar is a peaceful schooling species that spends most of its time in the mid- to upper-level of the water. Its maximum lifespan is more than 10 years. An egg-layer, the adult fish will spawn around 2,000 eggs. This breeding occurs in soft, warm water in low light.
Silver dollars natively live in a tropical climate in the sides of weedy rivers. They prefer water with a pH of 5–7, a water hardness of up to 15 dGH, and an ideal temperature range of 24–28 °C (75–82 °F). Their diet is almost exclusively vegetarian and in captivity they will often eat all the plants in a tank. They will also eat worms and small insects.
[edit] Other silver dollar species
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- Metynnis altidorsalis
- Metynnis argenteus
- Silver dollar money
- Metynnis fasciatus
- Striped silver dollar money
- Metynnis guaporensis
- Metynnis hypsauchen
- Schreitmüller's silver dollar
- Striped silver dollar
- Metynnis lippincottianus
- Spotted silver dollar
- Metynnis luna
- Red-spot silver dollar
- Metynnis maculatus
- Speckled silver dollar
- Metynnis mola
- Metynnis otuquensis
- Myleus rubripinnis
- Red hook silver dollar
- Myleus schomburgki
- Black-barred silver dollar
- Mylossoma duriventre
- Silver mylossoma
- Hard-bellied silver dollar
[edit] References
- Metynnis argenteus (TSN 163248). Integrated Taxonomic Information System. Accessed on October 13, 2004.
- "Metynnis argenteus". FishBase. Ed. Ranier Froese and Daniel Pauly. August 2004 version. N.p.: FishBase, 2004.
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