Killifish, Rainbowfish, and Medaka
Dwarf Neon Rainbowfish
Melanotaenia praecox
Photo: Raimond Spekking · CC BY-SA 4.0 · Wikimedia Commons
Key facts
- Temperature24–28 °C
- pH6.5–8
- Minimum tank100 l
- Adult size6 cm
- Difficulty★★☆☆☆
- Lives in a groupof 6 or more
- TemperamentPeaceful
- WaterFresh
Full profile
- Family
- Melanotaeniidae
- Origin
- Mamberamo River (West Papua)
- Size
- 6 cm
- Temperature
- 24 – 28°C
- pH
- 6.5 – 8.0
- GH
- 5 – 15 °dGH
- Difficulty
- ★★☆☆☆
- Water type
- tropical freshwater
- Swimming level
- medium – high
- Behavior
- Pacific
- Minimum number of individuals
- 6
- Minimum aquarium size
- 100 L
- Diet
- omnivore
- Reproduction
- oviparous
Notes: Males have metallic blue scales and red fins (females have yellow fins). The best rainbow fish for medium-sized planted aquariums.
