Oscar
Astronotus ocellatus
Grows fast, eats anything it can fit in, and makes a lot of waste.
What it needs
- Grows to
- 35 cm
- Smallest sensible tank
- 400 L, at least 150 cm long
- Temperature
- 23 to 28 °C
- pH
- 6 to 7.5
- Hardness
- 5 to 20 dGH
- Kept in
- ones or pairs
- Temperament
- aggressive
- Eats
- carnivore
- Swims
- at every level
- How hard
- easy
- Lives
- about 12 years
These are the figures the stocking advice is built on. Make a room and it will tell you whether oscar fit the tank you have.