Killifish, Rainbowfish, and Medaka
Nothobranchius rachovii
Nothobranchius rachovii
Photo: Cisamarc · CC BY-SA 4.0 · Wikimedia Commons
Key facts
- Temperature20–26 °C
- pH6.5–7.5
- Minimum tank30 l
- Adult size5 cm
- Difficulty★★★☆☆
- TemperamentSemi-aggressive
- WaterFresh
Full profile
- Family
- Nothobranchiidae
- Origin
- Mozambique (temporary ponds)
- Size
- 5 cm
- Temperature
- 20 – 26°C
- pH
- 6.5 – 7.5
- GH
- 4 – 15 °dGH
- Difficulty
- ★★★☆☆
- Water type
- tropical freshwater
- Swimming level
- medium
- Behavior
- semi-aggressive (males are prone to fighting)
- Minimum number of individuals
- 1 male and 2 females
- Minimum aquarium size
- 30 L
- Diet
- carnivore (live food)
- Reproduction
- Annual oviparous; buries its eggs in peat, which is kept dry for months before being re-moistened
Notes: One of the most colorful fish in existence, with blue scales edged in red. It has a very short lifespan—about one year—because in the wild, its pond dries up.
