Nudibranks on sea mats polyps

Discussion in 'Other Livestock' started by 2balive, 1 Jun 2008.

  1. 2balive

    2balive

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    I have noticed that some of my sea mats polyps contract for now apparent reason since yesterday. On closer inspection the closed heads each had a small yellow/green nudibrank (it has frills so I assume it is) on it.

    It looks like the nudi’s are eating the small tentacles of the polyps and leaves behind a “acid burn” mark. The individual polyp seams to be ok in a hour or two after the nuni has left.

    1. Do I have to remove them or will the coral manage?

    2. How do I remove them?
     
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  3. Warr7207

    Warr7207

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    Have to remove it. make up a solution of RO water that is the same pH, temp and ALk as your tank display, but no salt. Dip the coral for 40 seconds and see the bugs fall off.

    Isolate the coral if you can so the pest doesn't spread to other corals, if it hasn't already.

    Good Luck
     
  4. 2balive

    2balive Thread Starter

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    No more

    Done, worked well, 7 fell off and I had to syphon one of later that popped up in the tank (i have no quarantine tank :-().

    The coral was not happy, but are looking OK this morning.

    Thanks
     
  5. Mekaeel

    Mekaeel Moderator MASA Contributor

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    good to hear all is sorted out Len :)
     
  6. Mike

    Mike Retired Moderator

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    Just to add, the nudis are usually species specific and don't tend to eat other corals (other zoas maybe, but nothing else.)
     
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