Rio Nanay Peru Altum Angelfish - (Pterophyllum scalare)

🐟 Rio Nanay Peru Altum Angelfish – (Pterophyllum scalare) – Tall-Finned Wild Peruvian Angelfish for Sale

The Rio Nanay Peru Altum Angelfish (Pterophyllum scalare) is a wild-caught, tall-bodied angelfish collected from the Rio Nanay in Peru. Although not a true Pterophyllum altum, this variety of P. scalare is known for its extended dorsal and anal fins, deep body shape, and striking vertical barring that give it an “altum-like” appearance.

Its elegant form, natural coloration, and wild genetics make it a highly desirable choice for aquarists seeking a more authentic, riverine angelfish compared to domesticated strains.

🔎 Quick Facts – Rio Nanay Peru Altum Angelfish (Pterophyllum scalare)

• 📛 Common Name: Rio Nanay Peru Altum Angelfish, Wild Peruvian Altum-Style Angelfish
• 🔬 Scientific Name: Pterophyllum scalare
• 🌍 Origin: Rio Nanay, Peru (Amazon Basin)
• 🎨 Appearance: Tall-bodied with long fins, silver base with black vertical bars, and subtle iridescent highlights
• 📏 Max Size: 6 inches body length (15 cm), up to 10+ inches tall with fins
• 💎 Availability: Wild-caught; seasonal availability

😇 Behavior & Temperament

• 🐟 Generally peaceful but can be territorial during breeding
• 👫 Best kept in groups of 5–6 for natural schooling behavior
• 🪵 Pairs will form and guard spawning sites aggressively
• 🧠 Intelligent and responsive to keeper interaction

🏠 Aquarium & Tank Requirements

• 📦 Minimum Tank Size: 40+ gallons for a small group, 55+ gallons recommended
• 🌿 Tall aquariums preferred to accommodate fin height
• 🪵 Provide driftwood, vertical roots, and large-leaf plants like Amazon swords
• 💡 Soft lighting to mimic natural habitat
• 🌊 Gentle flow; avoid strong currents

💧 Water Parameters – Rio Nanay Peru Altum Angelfish Care

• 🌡️ Temperature: 78–84°F (25–29°C)
• ⚗️ pH: 5.5–7.0 (prefers softer, acidic water)
• 💧 Hardness: Soft to moderately soft water

🍽️ Diet – Omnivorous

• 🦐 Frozen bloodworms, brine shrimp, mysis shrimp
• 🪱 High-quality flake or pellet foods formulated for angelfish
• 🌿 Occasional vegetable matter such as spirulina-based flakes
• 🚫 Avoid feeder fish for health and safety reasons

📋 Rio Nanay Peru Altum Angelfish Care Overview Table

✨ Highlight:

• The Rio Nanay Peru Altum Angelfish offers the majestic height and grace of altum-like fins with the adaptability of P. scalare, making it an ideal choice for aquarists seeking a tall, elegant centerpiece fish in a South American biotope.