Freshwater Angelfish
Freshwater Angelfish
Can they live together?
Compare their preferred water conditions and basic behavior.
Freshwater Angelfish
Green Neon Tetra
The shared pH range (6.3–6.5) is narrow, so watch for water changes.
Checked for 1 Freshwater Angelfish and 8 Green Neon Tetra in a 200 L aquarium.
Recommended temperature
26 ~ 28°C
Recommended pH
6.3 ~ 6.5
Freshwater Angelfish: at least 1
Green Neon Tetra: at least 8
Together they need at least 200 L and about 100 cm of length.
Check that your aquarium is large enough for both species.
| Item | Freshwater Angelfish | Green Neon Tetra |
|---|---|---|
| Average adult size | about 15 cm (large) | about 2.5 cm (nano) |
| Recommended temperature | 26~29°C | 24~28°C |
| Recommended pH | 6.3~7.4 | 4.5~6.5 |
| Water hardness | Medium hardness | Medium hardness |
| Minimum aquarium | 200 L, about 100 cm long | 41 L, about 45 cm long |
| Group size | single is fine | at least 8 |
| Temperament | Territorial | Gentle |
| Social behavior | Best kept as a pair | Shoaling fish |
| Swimming zone | middle | middle |
| Activity level | Moderate | Moderate |
| Waste level | High | Low |
| With shrimp | adults not recommended, babies not recommended | adults usually fine, babies not recommended |
| Beginner level | 3/5 | 3/5 |
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Planner result: Not recommended. The shared pH range (6.3–6.5) is narrow, so watch for water changes. Species-specific care guidance does not recommend this combination.
Keep the water at 26~28°C and pH 6.3~6.5, where both planner ranges overlap. Freshwater Angelfish prefers medium hardness and Green Neon Tetra prefers medium hardness.
At least 200 L and about 100 cm long, the larger of the two minimums (Freshwater Angelfish: 200 L, Green Neon Tetra: 41 L). Group sizes add to the bioload, so bigger is safer.
Freshwater Angelfish: can be kept singly (best kept as a pair). Green Neon Tetra: at least 8 (shoaling fish).
Freshwater Angelfish is territorial and swims in the middle; Green Neon Tetra is gentle and swims in the middle. Activity: moderate vs moderate.
Each species' values are cross-checked against the references below and normalized into the planner's own ranges; the verdict comes from the planner's published rules. No text or images are copied.
This is a guide. Individual behavior and aquarium conditions can change the outcome.