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Can a Blue Leg Hermit Crab Live With a Blue Tang?

~ Possible with caution

Verdict from our compatibility engine, assuming a typical 90-gallon reef tank. Score: 64/100.

Why

  • Fully compatible — Blue Leg Hermit Crab is a good fit for this tank
  • Schooling species — Blue Tang needs 5+ companions; add at least 4 more

It can work if…

  • Upgrade to a larger tank — this species needs more volume
  • Social concern — review this species' social requirements before adding
  • Schooling species — add at least 4 more companions for best health

Both species at a glance

Blue Leg Hermit Crab

Clibanarius tricolor

Aggression:
peaceful
Min tank:
5 gallons
Reef safe:
safe
Diet:
omnivore

Full Blue Leg Hermit Crab care guide →

Powder Blue Tang

Acanthurus leucosternon

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

Full Powder Blue Tang care guide →

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