Silver Dollar (Metynnis argenteus)

Fish in the family Serrasalmidae. Moderate care. Freshwater.

Quick facts

Scientific nameMetynnis argenteus

FamilySerrasalmidae

Also known asArgentine Silver Dollar, True Silver Dollar

Care levelModerate

Reef safetyFreshwater

TemperamentPeaceful

Dietherbivore

Adult size5.5 in

Minimum tank size75 gallons

Water parametersTemp 75-82°F, pH 5.5-7.5, GH 4-18 dGH

Appearance

Disc-shaped silver body with a faint reddish tint to the anal fin in males; the classic silver dollar.

Difficulty and care for the Silver Dollar

Moderate

Origin and habitat

South America (Amazon basin, Tapajós)

Keeper notes

Peaceful but large and easily startled; eats plants and needs the security of a group.

Log Silver Dollar in your reef tank

Reef Trak gives you the full record on every species in your tank: acquisition date, source, photos, parameters at time of stocking, and links to maintenance and feeding events. Track Silver Dollar alongside everything else in your reef.

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