Compatibility Overview
Angelfish and Bristlenose Pleco can generally share an aquarium with appropriate planning. Both species prefer overlapping temperature and pH ranges, and neither poses a major aggression risk to the other. A minimum 55-gallon tank is recommended to provide adequate territory and water volume for both species.
| Factor | Angelfish | Bristlenose Pleco | Verdict |
|---|---|---|---|
| Temperature | 74–84°F | 60–80°F | ✅ 74–80°F |
| pH Range | 6.0–7.5 | 6.5–7.5 | ✅ 6.5–7.5 |
| Temperament | semi | peaceful | ⚠️ Monitor |
| Adult Size | 6 in | 5 in | ✅ Similar |
| Min. Group | 1+ | 1+ | See below |
| Min. Tank Size | 55 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.
Bristlenose Pleco — Ancistrus sp.
Hardy armoured catfish that grazes on algae. Peaceful with virtually all species; tolerates a wide temperature range.
Frequently Asked Questions
Can Angelfish live with Bristlenose Pleco?
Yes, in a well-planned setup. Angelfish and Bristlenose Pleco can generally share an aquarium with appropriate planning. Both species prefer overlapping temperature and pH ranges, and neither poses a major aggression risk to the other. A minimum 55-gallon tank is recommended to provide adequate territory and water volume for both species.
What tank size do I need for Angelfish and Bristlenose Pleco together?
A minimum of 55 gallons is recommended for keeping Angelfish and Bristlenose Pleco together. A larger tank improves water stability and reduces territorial conflict.
What temperature suits both Angelfish and Bristlenose Pleco?
74–80°F
Is a Angelfish aggressive toward a Bristlenose Pleco?
Angelfish is semi and Bristlenose Pleco is peaceful. Minor aggression possible from the semi-aggressive species; provide hiding spots.