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Can a Sixline Wrasse Live With a Threadfin Lookdown?

~ Possible with caution

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

Why

  • Fully compatible — Sixline Wrasse is a good fit for this tank
  • Tank borderline (90gal for 100.0gal min)

It can work if…

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

Both species at a glance

Sixline Wrasse

Pseudocheilinus hexataenia

Aggression:
semi-aggressive
Min tank:
40 gallons
Reef safe:
safe
Diet:
carnivore

Full Sixline Wrasse care guide →

Threadfin Lookdown

Selene vomer

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

Full Threadfin Lookdown care guide →

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