Compatibility Overview
Angelfish and Ember Tetra are generally not recommended to be housed together. The issues listed above — whether water parameter incompatibility, predation risk, or aggression — create conditions where one or both fish are likely to suffer harm or chronic stress.
| Factor | Angelfish | Ember Tetra | Verdict |
|---|---|---|---|
| Temperature | 74–84°F | 73–84°F | ✅ 74–84°F |
| pH Range | 6.0–7.5 | 5.5–7.0 | ✅ 6.0–7.0 |
| Temperament | semi | peaceful | ⚠️ Monitor |
| Adult Size | 6 in | 0.8 in | ❌ 8× difference |
| Min. Group | 1+ | 8+ | See below |
| Min. Tank Size | 75 gallons (for both species) | — | |
✅ Compatibility Positives
❌ Incompatibility Reasons
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.
Ember Tetra — Hyphessobrycon amandae
Tiny orange-red schooling tetra that is among the most adaptable nano fish. Peaceful with everything too small to eat them.
Frequently Asked Questions
Can Angelfish live with Ember Tetra?
Generally not recommended. Angelfish and Ember Tetra are generally not recommended to be housed together. The issues listed above — whether water parameter incompatibility, predation risk, or aggression — create conditions where one or both fish are likely to suffer harm or chronic stress.
What tank size do I need for Angelfish and Ember Tetra together?
A minimum of 75 gallons is recommended for keeping Angelfish and Ember Tetra together. A larger tank improves water stability and reduces territorial conflict.
What temperature suits both Angelfish and Ember Tetra?
74–84°F
Is a Angelfish aggressive toward a Ember Tetra?
Angelfish is semi and Ember Tetra is peaceful. Minor aggression possible from the semi-aggressive species; provide hiding spots.