
Tetras and Characids
Blue Emperor Tetra
Inpaichthys kerri
Photo: Juan R. Lascorz · CC BY-SA 3.0 · Wikimedia Commons
Key facts
- Temperature24–28 °C
- pH5.5–7.5
- Minimum tank60 l
- Adult size4 cm
- Difficulty★★☆☆☆
- Lives in a groupof 8 or more
- TemperamentPeaceful
- WaterFresh
Full profile
- Family
- Characidae
- Origin
- Aripuanã River (Brazil)
- Size
- 4 cm
- Temperature
- 24 – 28°C
- pH
- 5.5 – 7.5
- GH
- 2 – 12 °dGH
- Difficulty
- ★★☆☆☆
- Water type
- tropical freshwater
- Swimming level
- medium
- Behavior
- Pacific
- Minimum number of individuals
- 8
- Minimum aquarium size
- 60 L
- Diet
- omnivore
- Reproduction
- oviparous
Notes: Males are a deep purplish blue; females are more brownish. Peaceful and suitable for planted aquariums with moderate lighting.





