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Can a Black Triggerfish Live With a Royal Gramma?

~ Possible with caution

Verdict from our compatibility engine, assuming a typical 90-gallon reef tank. Score: 78/100.

Why

  • Caution — Black Triggerfish may harm coral/inverts if underfed or stressed
  • Faces pressure from 1 semi-aggressive tankmate (Black Triggerfish)

Both species at a glance

Black Triggerfish

Melichthys niger

Aggression:
aggressive
Min tank:
20 gallons
Reef safe:
caution
Diet:
carnivore

Full Black Triggerfish care guide →

Royal Gramma

Gramma loreto

Aggression:
peaceful
Min tank:
30 gallons
Reef safe:
safe
Diet:
carnivore

Full Royal Gramma care guide →

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