Compatibility Overview
Peppered Cory and Platy 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 29-gallon tank is recommended to provide adequate territory and water volume for both species.
| Factor | Peppered Cory | Platy | Verdict |
|---|---|---|---|
| Temperature | 72–79°F | 65–80°F | ✅ 72–79°F |
| pH Range | 6.0–7.0 | 7.0–8.5 | ⚠️ 7.0–7.0 (narrow) |
| Temperament | semi | peaceful | ⚠️ Monitor |
| Adult Size | 2.0 in | 2.5 in | ✅ Similar |
| Min. Group | 1+ | 3+ | See below |
| Min. Tank Size | 29 gallons (for both species) | — | |
✅ Compatibility Positives
⚠️ Caution Points
Species Profiles
Peppered Cory — Aquarium species
The Peppered Cory is a popular freshwater fish known for its peaceful nature and unique appearance. They are suitable for beginners and can thrive in a community tank. These fish are small, reaching up to 7 cm in size, and are easily recognizable by their dark brown bodies with white spots. They are active but not overly aggressive, making them great additio
→ Full Peppered Cory care guide
Platy — Xiphophorus maculatus
Hardy livebearers that are among the easiest fish to keep. Peaceful with virtually all community species. Prolific breeders.
Frequently Asked Questions
Can Peppered Cory live with Platy?
Yes, in a well-planned setup. Peppered Cory and Platy 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 29-gallon tank is recommended to provide adequate territory and water volume for both species.
What tank size do I need for Peppered Cory and Platy together?
A minimum of 29 gallons is recommended for keeping Peppered Cory and Platy together. A larger tank improves water stability and reduces territorial conflict.
What temperature suits both Peppered Cory and Platy?
72–79°F
Is a Peppered Cory aggressive toward a Platy?
Peppered Cory is semi and Platy is peaceful. Their preferred pH ranges are difficult to reconcile.
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 | 0/100 |
| Temperament | 75/100 |
| Adult Size | 100/100 |
| Swim Zone | 92/100 |
| 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 | 29 gal | Only for the recommended minimum groups, mature filtration, and close monitoring. |
| Recommended community | 40 gal | Adds territory, swimming room, and a safer buffer for behavior. |
| Low-conflict setup | 55 gal | Best when keeping larger schools or reducing territorial pressure. |