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Can a Emerald Crab 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 — Emerald Crab may harm coral/inverts if underfed or stressed
Fully compatible — Royal Gramma 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 →

Royal Gramma

Gramma loreto

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

Full Royal Gramma care guide →

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