Tetras and Characids
Black Piranha
Serrasalmus rhombeus
Photo: Ltshears · CC BY-SA 3.0 · Wikimedia Commons
Key facts
- Temperature24–28 °C
- pH6–7.5
- Minimum tank400 l
- Adult size40 cm
- Difficulty★★★★☆
- TemperamentAggressive
- WaterFresh
Full profile
- Family
- Serrasalmidae
- Origin
- Amazon and Orinoco Basins
- Size
- 40 cm
- Temperature
- 24 – 28°C
- pH
- 6.0 – 7.5
- GH
- 2 – 15 °dGH
- Difficulty
- ★★★★☆
- Water type
- tropical freshwater
- Swimming level
- medium
- Behavior
- aggressive (solitary; attacks any tankmates)
- Minimum number of individuals
- 1
- Minimum aquarium size
- 400 L
- Diet
- carnivore
- Reproduction
- oviparous
Notes: Red eyes and dark body. Unlike the red-bellied piranha, it must be kept alone. Be very careful with your hands.
