American Cichlids
Altum Angelfish
Pterophyllum altum
Photo: Jeff Kubina · CC BY-SA 2.0 · Wikimedia Commons
Key facts
- Temperature27–31 °C
- pH4.5–6.5
- Minimum tank400 l
- Adult size18 cm
- Difficulty★★★★☆
- Lives in a groupof 5 or more
- TemperamentPeaceful
- WaterFresh
Full profile
- Family
- Cichlidae
- Origin
- Orinoco Basin and Upper Río Negro
- Size
- 18 cm long (up to 30 cm tall)
- Temperature
- 27 – 31°C
- pH
- 4.5 – 6.5
- GH
- 0 – 6 °dGH
- Difficulty
- ★★★★☆
- Water type
- tropical freshwater
- Swimming level
- medium
- Behavior
- Peaceful (may eat very small fish)
- Minimum number of individuals
- 5
- Minimum aquarium size
- 400 L (at least 60 cm tall)
- Diet
- Omnivore (varied frozen food, pellets)
- Reproduction
- oviparous; very difficult in captivity
Notes: The tallest and most majestic angelfish. It requires very soft, acidic, and warm water, as well as a tall aquarium with vertical roots. It is very sensitive to sudden changes.
