Edit Metynnis argenteus
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Name
Scientific name
Metynnis argenteus
Described by
Not recorded
Family
Serrasalmidae
Common names
Not recorded
Photograph credits
All 1 credited
Summary
Metynnis argenteus is a silver dollar, a relative of the piranhas probably endemic to the Rio Tapajós drainage in Brazil. It is very simila…
Size and aquarium
Maximum size
150mm, standard length
Aquarium size
Minimum length 180 cm, Minimum depth 38 cm, Minimum height 38 cm
Water
Water conditions
Temperature 24–28°C, pH 6–7
Hardness
0–10dGH
Conductivity
Not recorded
Behaviour
Temperament
Predatory
Social needs
A shoal or group
Community suitability
Not recorded
Where it lives
Countries, regions, rivers and lakes
Brazil
Writing
Etymology
Not written yet
Distribution
Probably endemic to the Rio Tapajós drainage, Brazil.
Habitat
Probably endemic to the Rio Tapajós drainage, Brazil.
Aquarium size
A group of adult fish will require a tank of at least 180 ∗ 38 ∗ 38 cm - ~260 litres. Length and width are more important than height. Juvenile fish can be hou…
Maintenance
Silver dollars inhabit densely planted river tributaries in the wild. The difficulty in replicating this in captivity is that the species is an avid plant-eate…
Water conditions
Temperature: 24 – 28 °C pH: 6.0 - 7.0 Hardness: Up to 10°H
Diet
Provide a large amount of vegetable matter in the diet, including; courgette, cucumber, peas, spring greens and other green vegetables. Commercial foods such a…
Behaviour and compatibility
Best kept in groups of at least five fish. Generally peaceful community fish and can be kept with other larger peaceful species. Much smaller fish may be eaten…
Sexual dimorphism
Anal fin is more elongated on the male and a red tinge may be present.
Reproduction
Moderately difficult. Silver dollars are group spawners, so a large breeding tank is needed. Condition the fish well prior to introduction to the breeding setu…
Notes
Metynnis argenteus is very similar to another member of the genus, Metynnis hypsauchen and both fish are sold in the hobby under the name "Silver Dollar". The …
References
References
No references