Rainbow Shark and Severum Cichlid Compatibility Overview
Rainbow Shark and Severum Cichlid can generally share an aquarium with appropriate planning. Both species prefer overlapping temperature and pH ranges. Rainbow Shark is semi and Severum Cichlid is semi, so give them room and cover rather than assuming they will ignore each other. A minimum 100-gallon tank is recommended to provide adequate territory and water volume for both species.
| Factor | Rainbow Shark | Severum Cichlid | Verdict |
|---|---|---|---|
| Temperature | 72โ79ยฐF | 72โ84ยฐF | โ 72โ79ยฐF |
| pH Range | 6.5โ7.5 | 5.5โ7.0 | โ ๏ธ 6.5โ7.0 (narrow) |
| Temperament | semi | semi | โ ๏ธ Monitor |
| Adult Size | 6 in | 11.8 in | โ Similar |
| Min. Group | 1+ | 1+ | See below |
| Min. Tank Size | 100 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
Severum Cichlid โ Heros efasciatus
The Severum Cichlid, known for its vibrant colors and peaceful nature, is a popular choice for freshwater aquariums. They have a lifespan of around 5 years and require a minimum tank size of 80 liters. These fish are not schooling fish but are known to be gentle and compatible with a variety of tank mates.
Frequently Asked Questions
Can Rainbow Shark live with Severum Cichlid?
Yes, in a well-planned setup. Rainbow Shark and Severum Cichlid can generally share an aquarium with appropriate planning. Both species prefer overlapping temperature and pH ranges. Rainbow Shark is semi and Severum Cichlid is semi, so give them room and cover rather than assuming they will ignore each other. A minimum 100-gallon tank is recommended to provide adequate territory and water volume for both species.
What tank size do I need for Rainbow Shark and Severum Cichlid together?
A minimum of 100 gallons is recommended for keeping Rainbow Shark and Severum Cichlid together. A larger tank improves water stability and reduces territorial conflict.
What temperature suits both Rainbow Shark and Severum Cichlid?
72โ79ยฐF โ inside Rainbow Shark's 72โ79ยฐF and Severum Cichlid's 72โ84ยฐF.
Is a Rainbow Shark aggressive toward a Severum Cichlid?
Rainbow Shark is semi and Severum Cichlid is semi. No major aggression issues are expected between these species.
Related Compatibility Guides
Tank Size for Rainbow Shark and Severum Cichlid
Use the scenario that matches the actual group sizes and temperament you plan to keep.
| Scenario | Tank | When it applies |
|---|---|---|
| Minimum viable | 100 gal | Only for the recommended minimum groups, mature filtration, and close monitoring. |
| Recommended community | 150 gal | Adds territory, swimming room, and a safer buffer for behavior. |
| Low-conflict setup | 180 gal | Best when keeping larger schools or reducing territorial pressure. |