Sponge growing on zoa?

Discussion in 'Softy Corals' started by Fisherman7, Feb 13, 2015.

  1. Fisherman7

    Fisherman7 Senior Member
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    Is this a sponge growing on a zoa? Is this normal or is it something else?
    image.jpg

    image.jpg
     
    #1 Fisherman7, Feb 13, 2015
    Last edited: Feb 14, 2015
  2. capman

    capman I contributed!
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    I can't really see things clearly enough in this photo to tell. Can you get a better photo with better lighting (e.g. with all the lights on and not just the actinics)?

    In general though, it would not be surprising to possibly have a sponge encroaching on a zooanthid (I can't bring myself to call zoanthids zoas...I guess I'm sort of an old fogy regarding some of the reef aquarium slang that has cropped up in the past 5 or 10 years! "Nem" really bugs me too!). Anyway, depending on the sponge, and depending on how the zooanthids seem to be feeling about this situation, it might be worth trying to pick the sponge out off/off of the zooanthid colony with tweezers (do be careful if you do this - zooanthids are super toxic).

    But I really can't tell what you are dealing with based on this photo.
     
    #2 capman, Feb 14, 2015
    Last edited: Feb 14, 2015
  3. OP
    Fisherman7

    Fisherman7 Senior Member
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    I added a second picture with a flash. I apologize about the crappy quality of the photo, I'm using my iPhone. Does this photo help?
    image.jpg
     
    #3 Fisherman7, Feb 14, 2015
    Last edited: Feb 15, 2015
  4. David Grigor

    David Grigor TCMAS Old Timer
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    If the polyps aren't closing up becuase of it, I'd just leave as is. I like sponges for the most part.
     
  5. OP
    Fisherman7

    Fisherman7 Senior Member
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    I think they're doing fine, they were closed because of a crab. I'd like to leave the sponge alone unless you think it will cause a problem.
     
  6. capman

    capman I contributed!
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    The second photo is not coming up.

    If the zooanthids are happy though I wouldn't worry. Just keep an eye on things to make sure they are not in danger from overgrowth or other irritation. I too really like having an abundance of sponges in my tanks.
     
  7. OP
    Fisherman7

    Fisherman7 Senior Member
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    Ok, the picture is working now.
     
  8. capman

    capman I contributed!
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    It does look like it could be a sponge. I'd keep my eyes on it, but as already discussed, if the zooanthid is happy, and stays that way, it is probably fine to leave well enough alone..
     
    #8 capman, Feb 15, 2015
    Last edited: Feb 15, 2015

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