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Can a Emerald Crab Live With a Yellow Watchman Goby?

~ Possible with caution

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

Why

  • Caution — Emerald Crab may harm coral/inverts if underfed or stressed
  • Fully compatible — Yellow Watchman Goby is a good fit for this tank

Both species at a glance

Emerald Crab

Mithraculus sculptus

Aggression:
peaceful
Reef safe:
caution
Diet:
omnivore

Full Emerald Crab care guide →

Yellow Watchman Goby

Cryptocentrus cinctus

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

Full Yellow Watchman Goby care guide →

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