Can a Declivis Butterflyfish Live With a Spotfin Butterflyfish?
✗ Not recommended in most tanksVerdict from our compatibility engine, assuming a typical 90-gallon reef tank. Score: 0/100.
Why
- Reef safety hard block: Not reef-safe — Declivis Butterflyfish will damage coral/inverts
- Known conflict: Same-genus butterflyfish (Chaetodon) quarrel unless introduced as a known pair
It can work if…
- Reef safety concern — relocate or rehome before adding to a reef tank
- Known incompatibility — these species are documented to conflict
Both species at a glance
Declivis Butterflyfish
Chaetodon declivis
- Aggression:
- peaceful
- Min tank:
- 90 gallons
- Reef safe:
- unsafe
- Diet:
- omnivore
Spotfin Butterflyfish
Chaetodon ocellatus
- Aggression:
- peaceful
- Min tank:
- 10 gallons
- Reef safe:
- safe
- Diet:
- carnivore