Compatibility Overview
Angelfish and Neon Tetra can potentially coexist, but the combination requires careful attention. Some combination of water parameter differences, size mismatch, or temperament issues make this pair challenging. A larger tank (minimum 75 gallons), dense planting, and close monitoring are essential.
| Factor | Angelfish | Neon Tetra | Verdict |
|---|---|---|---|
| Temperature | 74–84°F | 72–80°F | ✅ 74–80°F |
| pH Range | 6.0–7.5 | 6.0–7.5 | ✅ 6.0–7.5 |
| Temperament | semi | peaceful | ⚠️ Monitor |
| Adult Size | 6 in | 1.5 in | ❌ 4× difference |
| Min. Group | 1+ | 6+ | See below |
| Min. Tank Size | 75 gallons (for both species) | — | |
✅ Compatibility Positives
⚠️ Caution Points
Species Profiles
Angelfish — Pterophyllum scalare
Elegant South American cichlids with long flowing fins. Generally peaceful but territorial when breeding and will eat very small fish.
Neon Tetra — Paracheirodon innesi
Iconic schooling fish with vivid electric-blue and red stripes. Hardy in captivity; suitable for most peaceful community setups.
Frequently Asked Questions
Can Angelfish live with Neon Tetra?
With significant caution and a larger tank. Angelfish and Neon Tetra can potentially coexist, but the combination requires careful attention. Some combination of water parameter differences, size mismatch, or temperament issues make this pair challenging. A larger tank (minimum 75 gallons), dense planting, and close monitoring are essential.
What tank size do I need for Angelfish and Neon Tetra together?
A minimum of 75 gallons is recommended for keeping Angelfish and Neon Tetra together. A larger tank improves water stability and reduces territorial conflict.
What temperature suits both Angelfish and Neon Tetra?
74–80°F
Is a Angelfish aggressive toward a Neon Tetra?
Angelfish is semi and Neon Tetra is peaceful. Minor aggression possible from the semi-aggressive species; provide hiding spots.