McCosker being ha(w)rassed

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Rovert

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Just added McCosker and Cleaner wrasses to my tank and my six-line is chasing and bullying the McCosker to the point he's hiding under the rock work, coloration is washed out, and isn't moving much. Wasn't expecting that. I'm hoping the aggression will subside. Any suggestions?
 
@SaltyT - any help with the this wrasse question?
 
Just added McCosker and Cleaner wrasses to my tank and my six-line is chasing and bullying the McCosker to the point he's hiding under the rock work, coloration is washed out, and isn't moving much. Wasn't expecting that. I'm hoping the aggression will subside. Any suggestions?
Get rid of the six line? I tried housing a McCoskers a while back. My damsels harassd it to death. They’re pretty timid fish. I’d take the McCoskers over a six line any day myself. How big is the tank? If you’re dead set on both maybe rearrange rocks a bit to disrupt the territorial behavior maybe.
 
Get rid of the six line? I tried housing a McCoskers a while back. My damsels harassd it to death. They’re pretty timid fish. I’d take the McCoskers over a six line any day myself. How big is the tank? If you’re dead set on both maybe rearrange rocks a bit to disrupt the territorial behavior maybe.

The 6-line will have to go. It will likely kill the other wrasses. @OrionN has a story about the 6-line.
Looks like I'll have to get my net ready...
 
Or make a clam refugium in your sump and stick him down there to do some work.
CA86C6E1-5CDC-4A73-B422-F06DD87CE96B.jpeg
 
Just added McCosker and Cleaner wrasses to my tank and my six-line is chasing and bullying the McCosker to the point he's hiding under the rock work, coloration is washed out, and isn't moving much. Wasn't expecting that. I'm hoping the aggression will subside. Any suggestions?
That 6-Line is going to kill any new wrasse. They are highly aggressive and there are countless stories all over the internet about their aggression unfortunately.
You’ll have to either rehome the sixline or rehome the other wrasses and not have any more wrasses.
 

HOW MUCH DOES A FISH’S FEEDING REQUIREMENTS AFFECT YOUR STOCKING DECISIONS?

  • A lot! - I avoid fish that require frequent or specialized feeding

    Votes: 6 33.3%
  • Quite a bit, but an automatic feeder can change my answer

    Votes: 3 16.7%
  • It depends on whether my nutrient export can handle it

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  • It depends on how badly I want the fish

    Votes: 5 27.8%
  • Not much. I’m willing to adjust my routine

    Votes: 4 22.2%
  • Not at all. Feeding demands don’t limit my stocking choices

    Votes: 4 22.2%
  • I usually learn about the demanding feeding schedule after buying the fish!

    Votes: 1 5.6%
  • I haven’t really considered this before

    Votes: 0 0.0%
  • Something else (see my comments in the thread)

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