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Molly FishVSZebra Danio

Can they live together? Complete Compatibility Analysis

Compatibility Score
85
⚠️ Caution

Mollies and Zebra Danios are generally compatible community fish. Their water parameter and temperature ranges overlap sufficiently, and both are peaceful. However, Mollies prefer slightly harder, alkaline water, while Danios are more adaptable. The primary caution is due to the active, sometimes frenetic swimming of Zebra Danios, which can stress slower-moving Mollies, especially in a tank that is too small.

Potential Issues
  • Zebra Danios are very fast and active. In small groups or small tanks, their constant motion can stress more sedate Mollies.
  • Mollies are livebearers and will breed readily. An all-female group is recommended unless you are prepared for many fry.
Tank Requirements
Temperature
72-78°F (22-26°C) - Ideal overlap range.
pH Level
7.0-8.0 - Mollies prefer the higher end; ensure stable pH.
Minimum Tank Size
20 gallons. A larger tank helps mitigate stress from the Danios' activity.

About Molly Fish and Zebra Danio

When considering adding Zebra Danio to a tank with Molly Fish, it's crucial to understand their specific needs. Mollies and Zebra Danios are generally compatible community fish. Their water parameter and temperature ranges overlap sufficiently, and both are peaceful. However, Mollies prefer slightly harder, alkaline water, while Danios are more adaptable. The primary caution is due to the active, sometimes frenetic swimming of Zebra Danios, which can stress slower-moving Mollies, especially in a tank that is too small.

Key Differences

  • Molly Fish: Requires 10 gallons minimum. Usually prefers tropical water conditions.
  • Zebra Danio: Requires 10 gallons minimum. Usually prefers tropical water conditions.

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