Can a Pajama Cardinalfish Live With a Undulate Triggerfish?
✗ Not recommended in most tanksVerdict from our compatibility engine, assuming a typical 90-gallon reef tank. Score: 0/100.
Why
- Schooling species — Pajama Cardinalfish needs 5+ companions; add at least 4 more
- Reef safety hard block: Not reef-safe — Undulate Triggerfish will damage coral/inverts
It can work if…
- Social concern — review this species' social requirements before adding
- Reef safety concern — relocate or rehome before adding to a reef tank
Both species at a glance
Pajama Cardinalfish
Sphaeramia nematoptera
- Aggression:
- peaceful
- Min tank:
- 10 gallons
- Reef safe:
- safe
- Diet:
- carnivore
Undulate Triggerfish
Balistapus undulatus
- Aggression:
- aggressive
- Min tank:
- 10 gallons
- Reef safe:
- unsafe
- Diet:
- carnivore