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Can a Copperband Butterflyfish Live With a Longspine Urchin, Black?

~ Possible with caution

Verdict from our compatibility engine, assuming a typical 90-gallon reef tank. Score: 56/100.

Why

  • Tank poor (90gal for 130.0gal min)
  • Fully compatible — Longspine Urchin, Black is a good fit for this tank

It can work if…

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

Both species at a glance

Copperband Butterflyfish

Chelmon rostratus

Aggression:
peaceful
Min tank:
130 gallons
Reef safe:
caution
Diet:
carnivore

Full Copperband Butterflyfish care guide →

Longspine Urchin, Black

Diadema setosum

Aggression:
peaceful
Min tank:
10 gallons
Reef safe:
safe
Diet:
herbivore

Full Longspine Urchin, Black care guide →

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