Molly and Peppered Cory Compatibility Overview
Molly and Peppered Cory can potentially coexist, but the combination requires careful attention. Their pH ranges do not meet: Molly wants 7.5โ8.5 and Peppered Cory wants 6.0โ7.0. A larger tank (minimum 55 gallons), dense planting, and close monitoring are essential.
| Factor | Molly | Peppered Cory | Verdict |
|---|---|---|---|
| Temperature | 72โ82ยฐF | 72โ79ยฐF | โ 72โ79ยฐF |
| pH Range | 7.5โ8.5 | 6.0โ7.0 | โ No overlap |
| Temperament | peaceful | peaceful | โ Compatible |
| Adult Size | 4 in | 2.8 in | โ Similar |
| Min. Group | 3+ | 6+ | See below |
| Min. Tank Size | 55 gallons (for both species) | โ | |
Compatibility Positives
Caution Points
Species Profiles
Molly โ Poecilia sphenops
Hardy livebearers that prefer alkaline, hard water โ sometimes slightly brackish. Prolific breeders; peaceful community fish.
Peppered Cory โ Corydoras paleatus
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.
Frequently Asked Questions
Can Molly live with Peppered Cory?
With significant caution and a larger tank. Molly and Peppered Cory can potentially coexist, but the combination requires careful attention. Their pH ranges do not meet: Molly wants 7.5โ8.5 and Peppered Cory wants 6.0โ7.0. A larger tank (minimum 55 gallons), dense planting, and close monitoring are essential.
What tank size do I need for Molly and Peppered Cory together?
A minimum of 55 gallons is recommended for keeping Molly and Peppered Cory together. A larger tank improves water stability and reduces territorial conflict.
What temperature suits both Molly and Peppered Cory?
72โ79ยฐF โ inside Molly's 72โ82ยฐF and Peppered Cory's 72โ79ยฐF.
Is a Molly aggressive toward a Peppered Cory?
Molly is peaceful and Peppered Cory is peaceful. No major aggression issues are expected between these species.
Related Compatibility Guides
Tank Size for Molly and Peppered Cory
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. |