
Killifish, Rainbowfish, and Medaka
Six-line Rainbowfish
Melanotaenia sexlineata
Photo: Dirk Godlinski · CC BY-SA 3.0 · Wikimedia Commons
Key facts
- Temperature24–28 °C
- pH6.5–8
- Minimum tank120 l
- Adult size8 cm
- Difficulty★★☆☆☆
- Lives in a groupof 6 or more
- TemperamentPeaceful
- WaterFresh
Full profile
- Family
- Melanotaeniidae
- Origin
- Fly River (Papua New Guinea)
- Size
- 8 cm
- Temperature
- 24 – 28°C
- pH
- 6.5 – 8.0
- GH
- 5 – 18 °dGH
- Difficulty
- ★★☆☆☆
- Water type
- tropical freshwater
- Swimming level
- medium – high
- Behavior
- Pacific
- Minimum number of individuals
- 6
- Minimum aquarium size
- 120 L
- Diet
- omnivore
- Reproduction
- oviparous
Notes: Rainbow trout with thin dark stripes and yellow fins. Known as the six-striped rainbow trout.





