Halfmoon Betta
Betta splendensHalfmoon Betta (Betta splendens) is a solo centerpiece fish for a cycled 5+ gallon freshwater aquarium. Plan for about 3 inches as an adult, 78-82°F water, pH 6.5-7.5, and beginner-friendly care. Keep only one per tank, and choose tankmates with matching water needs and low aggression.

Water Range
- pH
- 6.5-7.5
- GH
- 3-12 dGH
- KH
- 1-8 dKH
Behavior
- Temperament
- Moderate
- Fin nipping
- 0/5
- Territory
- 3/5
Diet and Care
- Diet
- carnivore/insectivore
- Diet difficulty
- 2/5
- Care difficulty
- 2/5
Planning Notes
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Run Halfmoon Betta through the checker with your tank size, cycle status, water, group count, and tankmates before buying.
Check my tankCompare this speciesPut Halfmoon Betta beside another profile to compare water range, size, diet, schooling needs, and behavior.
Open comparisonWill plants work?Match Halfmoon Betta against aquarium plants for nibbling, uprooting, cover, flow, and water-range flags.
Open plant matchAsk about my setupAsk Advisor how Halfmoon Betta fits with your current tank, recent logs, plants, and livestock.
Ask AdvisorView native rangeOpen the origins map to see reviewed native-range coordinates and regional context for Halfmoon Betta.
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