Species profile
Blue Kamaka Rainbowfish
Melanotaenia kamakaBlue Kamaka Rainbowfish (Melanotaenia kamaka) is a schooling community species for a cycled 40+ gallon freshwater aquarium. Plan for about 3.5 inches as an adult, 74-80°F water, pH 7-8.2, and beginner-friendly care. Keep a group of at least 6; larger groups often behave more naturally when the tank has room.
FlashyBeginner-friendly care
40 galMinimum tank
3.5 inAdult size
6Schooling minimum
74-80°FTemperature
Water Range
- pH
- 7-8.2
- GH
- 8-20 dGH
- KH
- 5-15 dKH
Behavior
- Temperament
- Peaceful
- Fin nipping
- 0/5
- Territory
- 0/5
Diet and Care
- Diet
- omnivore
- Diet difficulty
- 2/5
- Care difficulty
- 2/5
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.
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