fish-tank › fish species
Altum Angelfish (Pterophyllum altum)
Wild-caught Orinoco species — needs blackwater (pH<6, TDS<50) and 24in+ tank height. Not for beginners.
Specifications
- ecosystem
- freshwater
- min tank gallons
- 75
- adult size in
- 7
- temperature range f
- 82-86
- ph range
- 4.5-6.0
- gh range dgh
- 1-5
- care difficulty
- advanced
- aggression
- peaceful
- community compatible
- yes
- schooling min count
- 5
- diet
- omnivore
- lifespan years
- 8-15
- tank zone
- mid
Sources
- Aquarium Co-Op video / blog content · ingest 2026-05-06
- r/Aquariums + r/PlantedTank + r/ReefTank public threads · ingest 2026-05-06
- Practical Fishkeeping public articles · ingest 2026-05-06