Molly and Zebra Danio Compatibility Overview
Molly and Zebra Danio can generally share an aquarium with appropriate planning. Both species prefer overlapping temperature and pH ranges. Both species are peaceful, 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 | Molly | Zebra Danio | Verdict |
|---|---|---|---|
| Temperature | 72โ82ยฐF | 64โ82ยฐF | โ 72โ82ยฐF |
| pH Range | 7.5โ8.5 | 6.5โ8.0 | โ ๏ธ 7.5โ8.0 (narrow) |
| Temperament | peaceful | peaceful | โ Compatible |
| Adult Size | 4 in | 2 in | โ ๏ธ 2.0ร difference |
| Min. Group | 3+ | 5+ | 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.
Zebra Danio โ Danio rerio
Extremely hardy, fast-moving schooling fish tolerant of a wide temperature range. Active top-to-mid swimmers compatible with most community fish.
Frequently Asked Questions
Can Molly live with Zebra Danio?
Yes, in a well-planned setup. Molly and Zebra Danio can generally share an aquarium with appropriate planning. Both species prefer overlapping temperature and pH ranges. Both species are peaceful, 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 Molly and Zebra Danio together?
A minimum of 55 gallons is recommended for keeping Molly and Zebra Danio together. A larger tank improves water stability and reduces territorial conflict.
What temperature suits both Molly and Zebra Danio?
72โ82ยฐF โ inside Molly's 72โ82ยฐF and Zebra Danio's 64โ82ยฐF.
Is a Molly aggressive toward a Zebra Danio?
Molly is peaceful and Zebra Danio is peaceful. No major aggression issues are expected between these species.
Related Compatibility Guides
Tank Size for Molly and Zebra Danio
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. |