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  1. #1
    Senior Member mschmied's Avatar
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    Identify this zoanthid like animal

    I noticed that one of my Palythoa had sprouted a new polyp just below it's head, but this mornig it had moved a third of the way across to the other side. It has tentacles and an oral disk like a zoanthid but also has a foot like an anemone. The colour is brown with light blotches and this thing is able to eat a whole gob of spirulina. Here is a pic with the tentacules closed up and showing the foot (it is not an Aiptasia, I had one before).

    Anyone know what this is?

    Second pic shows it open.
    HermitCrab

  2. #2
    Senior Member mschmied's Avatar
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    Here is what it looks like open.
    HermitCrab

  3. #3
    Senior Member tang_man_montreal's Avatar
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    A zoo-eating nudibranch?

    I've heard of them disguising themselves of zoo's... but I never thought in that detail!!!

    My guess is a far fetch I think... But if I'm right, wow...
    I am Homer of BORG... Prepare to be..OOOO!! DONUT!!!!!!

  4. #4
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    GGG . I would not think that anything could change it's shape to that extent? Or is that the shape it is all the time. Vince .. could it not simply be a very small anemone?
    Rob

  5. #5
    Senior Member tang_man_montreal's Avatar
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    Here's a picture of a Zoo-Eating Nudibranch.

    The Nudibranch is within the blue rectangle...

    I am Homer of BORG... Prepare to be..OOOO!! DONUT!!!!!!

  6. #6
    Senior Member tang_man_montreal's Avatar
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    I do not think that what mschmied has is a nudibranch.

    I agree with OSD, probably some small anenome.
    I am Homer of BORG... Prepare to be..OOOO!! DONUT!!!!!!

  7. #7
    Senior Member mschmied's Avatar
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    Now that I have noticed the new criter, I have spotted 2 more, they can walk (the original one has move to the other sid of the zoantid and there are 2 more that I had not noticed on other polyps). The Palythoa do not seem to mind them though, must be a symbiotic reationship of some kind.
    HermitCrab

  8. #8
    Senior Member mschmied's Avatar
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    When I had originally purchased the coral with the Palythoa it had a large white anemone on it and the guy took about 10 minutes to remove it. Could that explain these guys?
    HermitCrab

  9. #9
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    Probably... likely just the babies..., I would guess!! However, from what I know, most Anemone's reproduce by splitting, not budding. But I am in no way an Anemone expert!!!

  10. #10
    Senior Member mschmied's Avatar
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    Do you thnk they could be hermit crab anemonies? I think that they are called tricolour anemonies.

    I do have the regular grey seaslugs in the tank, anyone know what those are called? They are hard to spot because they blend into the background really well.
    HermitCrab

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