Compatibility Overview
Angelfish and Tiger Barb 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 | Tiger Barb | Verdict |
|---|---|---|---|
| Temperature | 74–84°F | 68–79°F | ✅ 74–79°F |
| pH Range | 6.0–7.5 | 6.0–8.0 | ✅ 6.0–7.5 |
| Temperament | semi | semi | ⚠️ Monitor |
| Adult Size | 6 in | 2.75 in | ⚠️ 2.2× 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.
Tiger Barb — Puntigrus tetrazona
Striking striped barbs that are notorious fin-nippers. Must be kept in groups of 6+ to redirect aggression within the school. Incompatible with long-finned fish.
Frequently Asked Questions
Can Angelfish live with Tiger Barb?
With significant caution and a larger tank. Angelfish and Tiger Barb 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 Tiger Barb together?
A minimum of 75 gallons is recommended for keeping Angelfish and Tiger Barb together. A larger tank improves water stability and reduces territorial conflict.
What temperature suits both Angelfish and Tiger Barb?
74–79°F
Is a Angelfish aggressive toward a Tiger Barb?
Angelfish is semi and Tiger Barb is semi. Narrow temperature overlap (74–79°F) — keeping the tank at exactly 75–78°F is needed for both species.