Silver Dollars – Metynnis schreitmeulleri | Live Freshwater Fish

Silver Dollars (Metynnis schreitmeulleri) are coin-sized, silvery freshwater fish famed for their calm presence and graceful schooling. They bring midwater movement to community tanks, forming tranquil arcs as they swim in unison. Suitable for both beginners and seasoned aquarists, these fish offer reliable, peaceful personality and a dependable midwater display that enhances any peaceful, mixed tank.

Note: Some pictures are of full grown adults and products may not appear that way in juvenile form.

Natural habitat

Natural habitat: Native to Colombia in South America, these freshwater species thrive in open-water zones of rivers and floodplains, where they can move freely in midwater with gentle currents.

Adult size

Adult size: Coin-sized.

Temperament

Temperament: Peaceful and highly sociable, they excel in small to mid-sized schools and prefer open water where they can glide in cohesive arcs without aggression.

Tank size

Tank size: Minimum 50 gallons for a small school of 4–6 individuals; provide generous open swimming space to reduce stress and encourage natural schooling behavior.

Diet

Diet: Omnivore; accepts quality flakes or pellets, plus blanched greens and occasional live or frozen treats (daphnia, bloodworms). Offer a varied diet to maintain color, energy, and healthy midwater activity.

Compatibility

Compatibility: Ideal for community tanks or peaceful, mid-to-large fish setups. Avoid aggressive species or very small, territorial fish that could cause stress or harassment.

Care level

Care level: Beginner-friendly with steady maintenance and compatible tank mates. Focus on consistent water quality, regular water changes, and a stable environment to keep them thriving in midwater schools.

Water parameters

Water parameters: pH 6.5–7.5; temperature 74–82°F. They prefer clean, well-filtered water with a gentle to moderate current and reliable temperature stability.

Breeding notes

Breeding notes: Not provided. In typical setups, breeding requires stable conditions and may occur in larger groups, but specific triggers and success rates are not detailed here.

Quarantine and store advantage

Quarantine advantage: All fish are quarantined and observed for a minimum of 7 days before entering our main system, providing an added layer of health screening and stock reliability. We still recommend quarantine after purchase to protect your tank and ensure a smooth transition for your Silver Dollars.