I'm thinking about adding a Wrasse of some kind to my 55 gallon reef.

This is what Live Aquaria says about a Six Line Wrasse "the Six Line Wrasse will search for live foods in the form of small crustaceans such as pyramidellid snails (clam parasites), urchins, and commensal flatworms. The Six Line Wrasse is also known to feed on unwanted pests on live rock, such as bristleworms."

Here's me question... would a Wrasse be a threat to my cleaning crew?

Crabs, snails, Shrimps, Starfish?

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55 Gallon Marine FOWLR Tank ( Yellow Tang, Flame Back Angel, Tomatoe Clown, Diamond Goby, 6 Line Wrasse, 4 Stripe Damsel, Blue Damsel, Kupang Damsel, Yellow Damsel and 3 Blue/Green Chromis)

i've never heard of a wrasse goin after any of those.. usually they're too large for its mouth. It does however pick at all the small bugs in your aquarium... so if you have a refugium with lots of bugs, it'll be way happy.

No he wont threaten your CUC. They hunt down the likes of Bristle Worms that are their size and such.

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http://s1050.photobucket.com/albums/...eefingMadness/

ive had a six line in my reef tank since day one and he hasnt messed with a thing. i think i have spoiled him from eating bristleworms. theyre the only wrasse i would trust any where near my reef.

He wont be a threat to your cleaning crew. He might be aggressive to other fish though

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36 Gallon Saltwater reef tank
Ocellaris Clown, Scooter Dragonet, sandsifter star, Decorator crab, emerald crab, coralline snails, blue leg hermit crab, and horseshoe crab.
Zooad's and shrooms
40 pounds of Live sand, 20 pounds of LR