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Can a Little Spinefoot Live With a Mustard Guttatus Tang?

✗ Not recommended in most tanks

Verdict from our compatibility engine, assuming a typical 90-gallon reef tank. Score: 0/100.

Why

  • Tank heavily stocked (267%) — over recommended load
  • Size capacity hard block: Tank far too small (90gal for 240.0gal min)

It can work if…

  • Tank is nearing capacity — consider removing a resident before adding this one
  • Known incompatibility — these species are documented to conflict
  • Upgrade to a larger tank — this species needs more volume

Both species at a glance

Little Spinefoot

Siganus spinus

Aggression:
peaceful
Min tank:
50 gallons
Reef safe:
safe
Diet:
herbivore

Full Little Spinefoot care guide →

Mustard Guttatus Tang

Acanthurus guttatus

Aggression:
semi-aggressive
Min tank:
240 gallons
Reef safe:
safe
Diet:
herbivore

Full Mustard Guttatus Tang care guide →

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