Compatibility Overview
Pygmy Corydoras and Zebra 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 | Pygmy Corydoras | Zebra Pleco | Verdict |
|---|---|---|---|
| Temperature | 72–79°F | 72–79°F | ✅ 72–79°F |
| pH Range | 6.0–7.5 | 6.0–7.0 | ✅ 6.0–7.0 |
| Temperament | peaceful | semi | ⚠️ Monitor |
| Adult Size | 1 in | 3.9 in | ⚠️ 3.9× difference |
| Min. Group | 6+ | 1+ | See below |
| Min. Tank Size | 55 gallons (for both species) | — | |
✅ Compatibility Positives
⚠️ Caution Points
Species Profiles
Pygmy Corydoras — Corydoras pygmaeus
Tiny armoured catfish that school in open water as well as on the substrate. Peaceful with all non-aggressive species.
→ Full Pygmy Corydoras care guide
Zebra Pleco — Aquarium species
The Zebra Pleco is a popular freshwater species known for its distinctive black and white striped appearance. It is a peaceful community fish, suitable for tanks with other non-aggressive species. These plecos are moderate swimmers and prefer caves and crevices for resting. With proper care, they can live for up to 10 years in an aquarium.
Frequently Asked Questions
Can Pygmy Corydoras live with Zebra Pleco?
Yes, in a well-planned setup. Pygmy Corydoras and Zebra 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 Pygmy Corydoras and Zebra Pleco together?
A minimum of 55 gallons is recommended for keeping Pygmy Corydoras and Zebra Pleco together. A larger tank improves water stability and reduces territorial conflict.
What temperature suits both Pygmy Corydoras and Zebra Pleco?
72–79°F
Is a Pygmy Corydoras aggressive toward a Zebra Pleco?
Pygmy Corydoras is peaceful and Zebra Pleco is semi. No major aggression issues are expected between these species.
Related Compatibility Guides
Compatibility score breakdown
The overall score is weighted across water chemistry, behavior, adult size, swimming zone, and social needs. A score is a planning aid—not a guarantee for individual fish.
| Factor | Score |
|---|---|
| Temperature | 100/100 |
| Ph | 100/100 |
| Temperament | 75/100 |
| Adult Size | 38/100 |
| Swim Zone | 68/100 |
| Social Needs | 92/100 |
Tank size scenarios
Use the scenario that matches the actual group sizes and temperament you plan to keep.
| Scenario | Tank | When it applies |
|---|---|---|
| Minimum viable | 55 gal | Only for the recommended minimum groups, mature filtration, and close monitoring. |
| Recommended community | 75 gal | Adds territory, swimming room, and a safer buffer for behavior. |
| Low-conflict setup | 125 gal | Best when keeping larger schools or reducing territorial pressure. |