Oscar
Astronotus ocellatus — Popular but large aggressive cichlid; completely destroys plants, needs a big tank, tankmates must be same size.
Care at a glance
| Scientific name | Astronotus ocellatus |
|---|---|
| Type | cichlid |
| Adult size | 16" |
| Minimum tank | 75 gal |
| Group size | 1+ |
| Temperament | aggressive |
| Temperature | 74-81°F |
| pH | 6.0-8.0 |
| GH | 5-20 |
| Diet | Large pellets, meaty frozen, feeder (rarely) |
| Swimming zone | all |
| Care level | easy |
| Plant-safe | No |