Can Oscar live with Severum? With caution
Oscar may bully or stress the smaller Severum — provide space and cover.
Side by side
| 🐡 Oscar | 🐡 Severum | |
| Adult size | 12" | 8" |
| Min tank | 75 gal | 55 gal |
| Temperature | 74–81°F | 75–84°F |
| pH | 6–8 | 5.5–7 |
| Temperament | Aggressive | Semi-aggressive |
Why
- Oscar may bully or stress the smaller Severum — provide space and cover.
- Aggressive plus semi-aggressive pairing — watch for territorial disputes.
How to make it work
- Oscar may bully or stress the smaller Severum — provide space and cover.
- Aggressive plus semi-aggressive pairing — watch for territorial disputes.
- Provide ample swimming space, sight breaks, and matched water parameters.