Can a Blue Dot Grouper Live With a Pajama Cardinalfish?
~ Possible with cautionVerdict from our compatibility engine, assuming a typical 90-gallon reef tank. Score: 64/100.
Why
- Tank borderline (90gal for 100.0gal min)
- Schooling species — Pajama Cardinalfish needs 5+ companions; add at least 4 more
It can work if…
- Upgrade to a larger tank — this species needs more volume
- Social concern — review this species' social requirements before adding
Both species at a glance
Blue Dot Grouper
Cephalopholis argus
- Aggression:
- aggressive
- Min tank:
- 100 gallons
- Reef safe:
- caution
- Diet:
- carnivore
Pajama Cardinalfish
Sphaeramia nematoptera
- Aggression:
- peaceful
- Min tank:
- 10 gallons
- Reef safe:
- safe
- Diet:
- carnivore