White Flatworm?

Discussion in 'Fish and Invertebrates' started by MolaMola, Dec 10, 2016.

  1. MolaMola

    MolaMola Supporting Member

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    Last week we noticed whitish flatworms slithering on the glass of our frag tank that contains just sand, rock, snails, urchin and a couple frags from the fragging workshop. Wondering what they are and if people have had any negative experiences with them. Also wonder where they came from, which I know is impossible to know. There are also some very tiny worms that under the microscope look like mini polychaete worms, plus a big gang of running and swimming tiny shrimp which is weird because the rock has been in there for a few months and it's been at least four months since my lone peppermint shrimp went missing in the DT.
    Here is the best pic we could get of magnified flatworm:
    Flatworm.JPG
     
  2. Bruce Spiegelman

    Bruce Spiegelman BOD

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    My understanding is the white ones are harmless and will eventually disappear. Also, Six Line Wrasses love them.
     
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  3. Flagg37

    Flagg37 Colorado member

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    That's what I found as well. Red = bad though.
     
  4. Ibn

    Ibn Supporting Member

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    Harmless from my experience. This one was a decent size that came and went.
    [​IMG]
     
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  5. Flagg37

    Flagg37 Colorado member

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    Is that a nassarius snail next to it?
     
  6. RandyC

    RandyC Supporting Member

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    I'm guessing that's gotta be a Cerith Snail
     
  7. Ibn

    Ibn Supporting Member

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    Dwarf Cerith. Baby there at ~1/8".
     

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