Silver dollar — Metynnis hypsauchen S/M 4–5 cm | Peaceful silver dollar

The Silver Dollar (Metynnis hypsauchen), also known as the Silver Dollar Fish, is a popular, peaceful schooling fish from South America. With its high-backed, rounded body, shimmering silver scales, and slightly reddish fins, it provides lively movement and elegant sparkle in the aquarium.

This species belongs to the family of Pacu and Metynnis species and is known for its calm nature and characteristic group behavior. In a school, the fish swim synchronously, looking like shimmering coins in the water – hence the name "Silver Dollar."

🌿 Characteristics & Care:

🐠 Size: 4–5 cm (S/M), adult size up to approx. 15 cm
🌎 Origin: South America (Amazon region, Guyana, Peru, Brazil)
🌡️ Temperature: 24–28 °C
💧 pH value: 6.0–7.5
⚖️ Total hardness: up to 15 °dGH
🐟 Social behavior: Peaceful schooling fish, from 5–6 individuals
🌾 Aquarium: From 400 l, with open swimming space, robust plants or roots

🍽️ Feeding:
Predominantly herbivorous. Eats plant-based food, vegetables (e.g., spinach, zucchini, lettuce) as well as frozen and flake food. Regular plant-based diet is important, otherwise it will eat plants.

💡 Tip:
A large swimming space, subdued light, and robust plants (e.g., Anubias, Microsorum) create ideal conditions. In groups, the Silver Dollar feels particularly comfortable and displays natural activity.

👉 Conclusion:
The Silver Dollar (Metynnis hypsauchen) is a peaceful, shimmering schooling fish with a typical round shape – ideal for large community aquariums with a South American flair.