Species profile
Zebra Danio
Danio rerioZebra Danio (Danio rerio) is a schooling community species for a cycled 20+ gallon freshwater aquarium. Plan for about 2.3 inches as an adult, 64-75°F water, pH 6.5-7.8, and beginner-friendly care. Keep a group of at least 6; larger groups often behave more naturally when the tank has room.
Community leaningBeginner-friendly care
20 galMinimum tank
2.3 inAdult size
6Schooling minimum
64-75°FTemperature
Water Range
- pH
- 6.5-7.8
- GH
- 5-20 dGH
- KH
- 2-12 dKH
Behavior
- Temperament
- Peaceful
- Fin nipping
- 0/5
- Territory
- 0/5
Diet and Care
- Diet
- omnivore
- Diet difficulty
- 1/5
- Care difficulty
- 1/5
Planning Notes
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These matches are starting points with overlapping water ranges and lower behavior risk. Always check the full stocking plan, tank size, and group counts before buying.
Run Zebra Danio through the checker with your tank size, cycle status, water, group count, and tankmates before buying.
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Open comparisonWill plants work?Match Zebra Danio against aquarium plants for nibbling, uprooting, cover, flow, and water-range flags.
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