About
Silver Dollar fish are popular freshwater aquarium fish known for their round, flat, silver-colored bodies resembling a silver coin.Scientific Name
Metynnis spp.Habitat
Native to South American rivers like the Amazon and Orinoco; prefer slow-moving freshwater with dense vegetation.Conservation
Not listed as endangered. Widely bred in captivity for aquarium trade.Lifespan
Typically live 10 years or more with proper care.Fun Fact
Named "Silver Dollar" because their body shape and shine resemble an actual silver coin.Diet
Primarily herbivorous – feeds on plant matter, but can also eat algae wafers, blanched vegetables, and flake food.Average Size
Can grow up to 6 inches (15 cm) or more.Location / Placement info
Displayed in the Coastal Reef Exhibit, near the Ocean-View TunnelFAQ
What is the lifespan of the Silver Dollar fish?
Silver Dollar fish can live up to 10 years or more in captivity with proper care.
What do Silver Dollar fish eat?
They are primarily herbivores, eating vegetables, plant matter, algae wafers, and leafy greens.
Are Silver Dollar fish aggressive?
No, they are peaceful and do well in schools; not suitable for tanks with delicate plants.
What is the ideal tank size for Silver Dollar fish?
A minimum of 75 gallons is recommended for a small school of 4–5 fish.
Do Silver Dollar fish need a planted tank environment?
Not necessary; they often eat soft plants, so hardy or artificial plants are recommended.
How big do Silver Dollar fish grow?
They can grow up to 6 inches (15 cm) in diameter.
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