Giant Danio and Molly Compatibility Overview
Giant Danio and Molly can potentially coexist, but the combination requires careful attention. Their usable pH overlap is narrow and requires stable, tested water. A larger tank (minimum 55 gallons), dense planting, and close monitoring are essential.
| Factor | Giant Danio | Molly | Verdict |
|---|---|---|---|
| Temperature | 72โ81ยฐF | 72โ82ยฐF | โ 72โ81ยฐF |
| pH Range | 6.5โ7.5 | 7.5โ8.5 | โ ๏ธ 7.5โ7.5 (narrow) |
| Temperament | semi | peaceful | โ ๏ธ Monitor |
| Adult Size | 4.0 in | 4 in | โ Similar |
| Min. Group | 6+ | 3+ | See below |
| Min. Tank Size | 55 gallons (for both species) | โ | |
Compatibility Positives
Caution Points
Species Profiles
Giant Danio โ Devario aequipinnatus
The Giant Danio is a vibrant and peaceful addition to the freshwater aquarium. Known for its striking red and blue colors, it is a popular choice for beginners and experienced aquarists alike. These fish are relatively easy to care for and can thrive in a well-maintained tank.
โ Full Giant Danio care guide
Molly โ Poecilia sphenops
Hardy livebearers that prefer alkaline, hard water โ sometimes slightly brackish. Prolific breeders; peaceful community fish.
Frequently Asked Questions
Can Giant Danio live with Molly?
With significant caution and a larger tank. Giant Danio and Molly can potentially coexist, but the combination requires careful attention. Their usable pH overlap is narrow and requires stable, tested water. A larger tank (minimum 55 gallons), dense planting, and close monitoring are essential.
What tank size do I need for Giant Danio and Molly together?
A minimum of 55 gallons is recommended for keeping Giant Danio and Molly together. A larger tank improves water stability and reduces territorial conflict.
What temperature suits both Giant Danio and Molly?
72โ81ยฐF โ inside Giant Danio's 72โ81ยฐF and Molly's 72โ82ยฐF.
Is a Giant Danio aggressive toward a Molly?
Giant Danio is semi and Molly is peaceful. No major aggression issues are expected between these species.
Related Compatibility Guides
Tank Size for Giant Danio and Molly
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. |