← Browse all species

Can a Achilles Tang Live With a Pink Spotted Watchman Goby?

~ Possible with caution

Verdict from our compatibility engine, assuming a typical 90-gallon reef tank. Score: 71/100.

Why

  • Tank borderline (90gal for 120.0gal min)
  • Tank well stocked (161%) — limited headroom

It can work if…

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

Both species at a glance

Achilles Tang

Acanthurus achilles

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

Full Achilles Tang care guide →

Pink Spotted Watchman Goby

Arothron nigropunctatus

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

Full Pink Spotted Watchman Goby care guide →

Related compatibility checks

See if they fit YOUR tank →