Killifish, Rainbowfish, and Medaka
Austrolebias nigripinnis
Austrolebias nigripinnis
Photo: Catxx · CC BY 3.0 · Wikimedia Commons
Key facts
- Temperature16–24 °C
- pH6.5–7.5
- Minimum tank30 l
- Adult size5 cm
- Difficulty★★★☆☆
- TemperamentSemi-aggressive
- WaterFresh
Full profile
- Family
- Rivulidae
- Origin
- Uruguay and northern Argentina (temporary ponds)
- Size
- 5 cm
- Temperature
- 16 – 24°C
- pH
- 6.5 – 7.5
- GH
- 4 – 15 °dGH
- Difficulty
- ★★★☆☆
- Water type
- temperate freshwater
- Swimming level
- middle – bottom
- Behavior
- semi-aggressive
- Minimum number of individuals
- 1 male and 2 females
- Minimum aquarium size
- 30 L
- Diet
- carnivore
- Reproduction
- oviparous; annual killifish; eggs in peat
Notes: Males are bluish-black with turquoise spots. A temperate-climate annual killifish that does not require a heater.
