Altum Angelfish

Altum Angelfish (Pterophyllum altum)

The true Altum Angelfish is a wild-caught giant among angelfish — taller, deeper-bodied, and more majestic than the common scalare. With its high dorsal and anal fins and distinctive vertical bars, it's a breathtaking showpiece for experienced keepers with large, pristine tanks.

Care at a Glance:

• Minimum Tank Size: 250L+ tall, with open vertical space and gentle flow
• Temperature: 28–32°C
• pH Range: 5.0–6.5
• Water Hardness: Very soft
• Temperament: Peaceful but can be territorial when breeding
• Diet: Quality flakes, pellets, frozen bloodworms and brine shrimp
• Max Size: 30–40cm tall, 15–20cm body
• Lifespan: 8–10+ years
• Care Level: Difficult (needs very soft, acidic, warm, pristine water)

Tank Mates: Peaceful South American community fish such as medium tetras, discus, and corydoras; avoid aggressive or boisterous species.

Origin: South America — Rio Orinoco and Rio Negro basins (Venezuela, Colombia, Brazil)