Rainbow Shark and Sterbai Cory Compatibility Overview
Rainbow Shark and Sterbai Cory can generally share an aquarium with appropriate planning. Both species prefer overlapping temperature and pH ranges. Rainbow Shark is semi and Sterbai Cory is peaceful, so give them room and cover rather than assuming they will ignore each other. A minimum 75-gallon tank is recommended to provide adequate territory and water volume for both species.
| Factor | Rainbow Shark | Sterbai Cory | Verdict |
|---|---|---|---|
| Temperature | 72โ79ยฐF | 75โ82ยฐF | โ 75โ79ยฐF |
| pH Range | 6.5โ7.5 | 6.0โ7.6 | โ 6.5โ7.5 |
| Temperament | semi | peaceful | โ ๏ธ Monitor |
| Adult Size | 6 in | 2.6 in | โ ๏ธ 2.3ร difference |
| Min. Group | 1+ | 6+ | See below |
| Min. Tank Size | 75 gallons (for both species) | โ | |
Compatibility Positives
Caution Points
Species Profiles
Rainbow Shark โ Epalzeorhynchos frenatum
Active bottom dweller that becomes territorial at maturity. One per tank; avoid other shark-like or bottom-dwelling species.
โ Full Rainbow Shark care guide
Sterbai Cory โ Corydoras sterbai
The Sterbai Cory, known for its dark brown coloration with silver spots, is a popular bottom-dwelling fish. With a peaceful temperament, it is well-suited for community tanks. It requires a well-planted tank with plenty of hiding spots and moderate water flow. Regular water changes and a balanced diet are essential for their health.
Frequently Asked Questions
Can Rainbow Shark live with Sterbai Cory?
Yes, in a well-planned setup. Rainbow Shark and Sterbai Cory can generally share an aquarium with appropriate planning. Both species prefer overlapping temperature and pH ranges. Rainbow Shark is semi and Sterbai Cory is peaceful, so give them room and cover rather than assuming they will ignore each other. A minimum 75-gallon tank is recommended to provide adequate territory and water volume for both species.
What tank size do I need for Rainbow Shark and Sterbai Cory together?
A minimum of 75 gallons is recommended for keeping Rainbow Shark and Sterbai Cory together. A larger tank improves water stability and reduces territorial conflict.
What temperature suits both Rainbow Shark and Sterbai Cory?
75โ79ยฐF โ inside Rainbow Shark's 72โ79ยฐF and Sterbai Cory's 75โ82ยฐF.
Is a Rainbow Shark aggressive toward a Sterbai Cory?
Rainbow Shark is semi and Sterbai Cory is peaceful. No major aggression issues are expected between these species.
Related Compatibility Guides
Tank Size for Rainbow Shark and Sterbai Cory
Use the scenario that matches the actual group sizes and temperament you plan to keep.
| Scenario | Tank | When it applies |
|---|---|---|
| Minimum viable | 75 gal | Only for the recommended minimum groups, mature filtration, and close monitoring. |
| Recommended community | 125 gal | Adds territory, swimming room, and a safer buffer for behavior. |
| Low-conflict setup | 150 gal | Best when keeping larger schools or reducing territorial pressure. |