Altum Angelfish

🔥 Altum Angelfish (Pterophyllum altum)

Elevate your aquarium with the majestic Altum Angelfish, widely regarded as the most impressive and elegant of all angelfish species. Known for their tall, elongated bodies, graceful finnage, and distinctive banding, Altums bring a true sense of scale and sophistication to large aquariums.

Native to the Orinoco River basin, these fish are best suited to experienced aquarists who can provide the stable, soft-water conditions they require.

🌿 Why Choose Altum Angelfish?

👑 Tallest and most majestic angelfish species
⚫ Elegant vertical banding with silver body
🐠 Graceful, slow-swimming centrepiece fish
🌿 Perfect for large, natural or biotope aquariums
⭐ Highly sought-after and prestigious species

In the right environment, Altum Angelfish display calm, regal behaviour and become the true focal point of any aquarium.

📏 Care Requirements

🧬 Scientific Name: Pterophyllum altum
📛 Common Name: Altum Angelfish
🏠 Tank Size: 250L+ recommended (tall tank essential)
📏 Adult Size: ~18–20 cm body, very tall with fins
🌡️ Temperature: 26–30°C
⚗️ pH Range: 4.5–6.5 (soft, acidic water preferred)
💧 Water Hardness: Very soft water required
🧘 Temperament: Peaceful (can be shy)
🍽️ Diet: High-quality pellets, frozen and live foods
👥 Group Size: 5–6+ recommended

Altum Angelfish require pristine water quality, low stress, and a well-established aquarium with vertical space, driftwood, and subdued lighting to mimic natural conditions.

🐠 Compatibility

Best kept with peaceful, soft-water species such as tetras, pencilfish, and Corydoras. Avoid aggressive fish, fin-nippers, or overly active tank mates.

⚠️ Important Notes

Altum Angelfish are more sensitive than common angelfish and require stable, soft, acidic water conditions. They can be shy when first introduced and benefit from being kept in groups. Quarantine and careful acclimation are highly recommended.

The Altum Angelfish is a premium choice for UK aquarists looking to create a large, natural-style aquarium with a truly iconic and elegant centrepiece species.