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Can a Diamond Watchman Goby Live With a Purple Tang?

~ Possible with caution

Verdict from our compatibility engine, assuming a typical 90-gallon reef tank. Score: 72/100.

Why

  • Fully compatible — Diamond Watchman Goby is a good fit for this tank
  • Tank borderline (90gal for 120.0gal min)

It can work if…

  • Upgrade to a larger tank — this species needs more volume

Both species at a glance

Diamond Watchman Goby

Valenciennea puellaris

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

Full Diamond Watchman Goby care guide →

Purple Tang

Zebrasoma xanthurum

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

Full Purple Tang care guide →

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