Silver Dollar Fish 5cm (Metynnis argenteus)

Silver Dollar Fish 5cm (Metynnis argenteus)

Silver Dollar Fish 5cm is a hardy, peaceful schooling fish ideal for large tropical aquariums. Known for its shiny, saucer-shaped body and lively behaviour, it thrives best in groups. Maintain a stable temperature and gentle tankmates to reduce skittishness. Avoid sharp décor to prevent injury from sudden movement.

Why Choose Silver Dollar 5cm?

• Eye-catching silver sheen adds movement and reflection
• Ideal for larger community tanks
• Active eaters—fun to observe during feeding time
• Thrives in schools of six or more for reduced stress

Species Overview

• Species: Metynnis argenteus
• Common Name: Silver Dollar
• Origin: South America
• Diet: Herbivore
• PH Range: 6.0 – 7.5 (Alkaline)
• Temperature: 24 – 28°C
• Breed Type: Egg layer
• Current Size: Approximately 5cm
• Max Size: Approximately 15cm
• Sex: Un-sexed

Tank Mates & Care Tips

Keep Silver Dollar 5cm in groups to minimise stress and boost confidence. Choose calm tankmates and avoid species prone to nipping. They can be shy when startled, so create a smooth, obstruction-free aquascape. Live plants may be eaten—opt for plastic or hardy options.

Feeding Habits

As herbivores, they enjoy algae wafers, vegetable flakes, and greens. Supplement with occasional frozen or live food. Watch them chase food—it’s entertaining and energetic!

Behaviour and Lifespan

Silver Dollar 5cm can live several years in a well-maintained tank. Once acclimated, they’re hardy and make excellent display fish with proper care and a stable environment.