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Results 1 to 6 of 6

Thread: What are these?

  1. Question What are these?

    0 Not allowed!
    So I've been seeing these strange little things in my tank for some time now, there are maybe three or four of them. My guess is some kind of water slug? They seem to be beneficial though this one has removed some algae stop me if I'm wrong here! :)


  2. #2


    1 Not allowed!
    Looks like a kind of freshwater limpet.

  3. Default

    0 Not allowed!
    Thanks thats it, they doesn't seem to be a problem just yet as long as they don't start breeding in the hundreds.

    Although I do always wonder where they come from in enclosed systems. I haven't introduced anything into my aquarium in a very long time. I had snails do the same thing in another one of my aquariums a few years back, they must lay dormant in substrate that's my only guess.

  4. #4


    1 Not allowed!
    With most inverts all it takes is a single egg. Small inverts can stay hidden for months before you notice them. And yes, with most they're no issue unless their numbers increase in which case some trapping will probably solve it.

  5. #5


    0 Not allowed!
    They do help clean algae. So why not keep them.
    When everything goes without a hitch its only then do you realize something is wrong

  6. #6

    Join Date
    Jan 2008
    Western Maryland

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    0 Not allowed!
    Eggs on live plants most likely, I had them in a 10 gallon cherry shrimp tank for some time. Harmless and apparently reproduce as slowly as they move, never saw more than a few. Ramshorn snails ran amok, but not the limpets.

    ^^^^Please click the eggs/dragons, thanks.

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