Red Hook Silver Dollar - (Myloplus rubripinnis)

🐟 Red Hook Silver Dollar – (Myloplus rubripinnis) – Large South American Schooling Fish for Sale

The Red Hook Silver Dollar (Myloplus rubripinnis) is a robust, fast-moving schooling fish from South America, best known for its deep silver body, bright red anal fin (“red hook”), and shimmering scales. Found in rivers and flooded forest areas, they are active swimmers that thrive in large groups.

While peaceful toward similarly sized fish, their speed, size, and plant-eating habits make them best suited for spacious community tanks with hardy plants or artificial decor.

🔎 Quick Facts – Red Hook Silver Dollar (Myloplus rubripinnis)

• 📛 Common Names: Red Hook Silver Dollar, Red Hook Myleus
• 🔬 Scientific Name: Myloplus rubripinnis
• 🌍 Origin: Amazon Basin & other northern South American river systems
• 🎨 Appearance: Silver, disc-shaped body with metallic sheen and a vivid red anal fin edged in black
• 📏 Max Size: 8–10 inches (20–25 cm)
• 💎 Availability: Common in the aquarium trade; mostly wild-caught

😇 Behavior & Temperament

• 🤝 Peaceful but active; best kept in schools of 5+
• ⚠️ Will nip soft plants—best in non-planted or hardy-planted setups
• 🐟 Fast swimmers requiring open space
• 👫 Great with other large, peaceful fish

🏠 Aquarium & Tank Requirements

• 📦 Minimum Tank Size: 125+ gallons for a school
• 🌿 Open swimming areas with smooth driftwood and rocks
• 🪵 Hardy plants only, or artificial plants to avoid damage
• 💡 Moderate lighting
• 🌊 Strong filtration and high oxygen levels

💧 Water Parameters – Red Hook Silver Dollar Care

• 🌡️ Temperature: 75–82°F (24–28°C)
• ⚗️ pH: 5.5–7.5
• 💧 Hardness: Soft to moderately hard

🍽️ Diet – Omnivorous (Primarily Herbivorous)

• 🥬 Leafy greens (spinach, romaine, dandelion)
• 🌾 Spirulina-based flakes and pellets
• 🦐 Occasional frozen brine shrimp, bloodworms, or mysis shrimp
• 🪵 Fruits and blanched vegetables as treats

📋 Red Hook Silver Dollar Care Overview Table

✨ Highlight:

• The Red Hook Silver Dollar is a beautiful, energetic schooling fish with a striking red fin highlight—perfect for adding constant motion and sparkle to large South American aquariums.