Can a Red Knob Sea Star Live With a Royal Gramma?
~ Possible with cautionVerdict from our compatibility engine, assuming a typical 90-gallon reef tank. Score: 72/100.
Why
- Tank borderline (90gal for 120.0gal min)
- Fully compatible — Royal Gramma is a good fit for this tank
It can work if…
- Upgrade to a larger tank — this species needs more volume
Both species at a glance
Red Knob Sea Star
Protoreaster linckii
- Aggression:
- peaceful
- Min tank:
- 120 gallons
- Reef safe:
- safe
- Diet:
- carnivore