Altum angelfish
Pterophyllum altum
- Tank length
- 150 cmabout 5 ft (59 in)
- Start with
- 5
- Temperature
- 27–31 °C81–88 °F
- pH
- 4.8–6.6
- Adult size
- 15 cm6 in
- Lifespan
- 10–15 yrs
Grows very tall; needs a deep tank (60 cm+ water depth), very soft warm water and calm companions in a group.Grows very tall; needs a deep tank (24 in+ water depth), very soft warm water and calm companions in a group.
Tank sizes
Good tankmates
Avoid with
- Acei cichlid
No shared water hardness rangeNo shared water hardness range
- African clawed frog
No shared temperature rangeNo shared temperature range
- Ajamaru rainbowfish
No shared pH rangeNo shared pH range
- American flagfish
No shared water hardness rangeNo shared water hardness range
- Angfa rainbowfish
No shared pH rangeNo shared pH range
- Arfak rainbowfish
No shared pH rangeNo shared pH range
Assassin snailNo shared water hardness rangeNo shared water hardness range
- Bandit cory
No shared temperature rangeNo shared temperature range
- Batanta rainbowfish
No shared pH rangeNo shared pH range
- Black kuhli loach
No shared temperature rangeNo shared temperature range
- Black ruby barb
No shared temperature rangeNo shared temperature range
- Blackline rasbora
No shared temperature rangeNo shared temperature range
Data used by the planner
| Temperature | 27–31 | AqAdvisor (aqadvisor.com), retrieved 2026-10-04; agrees with FishBase (fishbase.se), retrieved 2026-10-04 · medium confidence |
|---|---|---|
| pH | 4.8–6.6 | AqAdvisor (aqadvisor.com), retrieved 2026-10-04; agrees with FishBase (fishbase.se), retrieved 2026-10-04 · medium confidence |
| Hardness (dGH) | 1–5 | AqAdvisor (aqadvisor.com), retrieved 2026-10-04; agrees with FishBase (fishbase.se), retrieved 2026-10-04 · medium confidence |
| Origin | Orinoco and upper Rio Negro basins | curated-v0 (needs expert review) · low confidence |
| Beginner friendly | No | curated-v0 (needs expert review) · medium confidence |
| Care level | advanced | curated-v0 (needs expert review) · medium confidence |
| Activity | moderate | curated-v0 (needs expert review) · medium confidence |
| Swimming level | middle | curated-v0 (needs expert review) · medium confidence |
| Temperament | semi aggressive | curated-v0 (needs expert review) · medium confidence |
| Nips fins | No | curated-v0 (needs expert review) · medium confidence |
| Long fins | Yes | curated-v0 (needs expert review) · medium confidence |
| Territorial | Yes | curated-v0 (needs expert review) · medium confidence |
| Lives in groups | No | curated-v0 (needs expert review) · medium confidence |
| Minimum group | 1 | curated-v0 (needs expert review) · medium confidence |
| Diet | omnivore | curated-v0 (needs expert review) · medium confidence |
| Lifespan (years) | 10–15 | curated-v0 (needs expert review) · low confidence |
| Months to adult size | 18 | curated-v0 (needs expert review) · low confidence |
| Safe with plants | Yes | curated-v0 (needs expert review) · medium confidence |
| Minimum tank length | 150 | curated-v0 (needs expert review) · medium confidence |