Attack of the flesh eating copepods

Discussion in 'Invertebrates' started by FrancoisJou, 8 Sep 2011.

  1. FrancoisJou

    FrancoisJou

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    I got a small nano which I use as quarantine/frag tank at the moment.

    I recently saw that the copepods started invading the snail. Like literally climbing into its shell. Now I don't know whether this is normal, would they actually eat the snail? After this happened the snail just sat around for days!

    I moved it to my bigger tank and now it's fine.

    Weird thing is, I got a new snail, put it in the tank, same thing happened. Now in my big tank and its fine!

    So is copepods swarming over my snail a problem or not?

    I just don't want to leave it in there if it'll be consumed by copepod thingies.
     
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  3. Tremayn

    Tremayn

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    Maybe they like the slime? I dont think that pods would eat a snail though, they generally get eaten by everything else
     
  4. FrancoisJou

    FrancoisJou Thread Starter

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    Maybe I should put the snail back in that tank and wait and see. If it keeps living cool. If they eat it from the inside out, shame and a loss of R35?
     
  5. archiecrain

    archiecrain

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    Often newly baught snails dont make it....Ive lost plenty to hermits etc in the past....they the bottom of the food chain Iin your tank.

    I would think that for the pods to sworm over it there is something wrong with it....
     
  6. leslie hempel

    leslie hempel Moderator MASA Contributor

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    We had the same problem at the abalone farm i served an internship at in the western cape, it was a lack of food.. for the pods so they turned onto eating anything they could find.. and that was the precious abalone.. withing 12 hours a abalone was chowed finished.. it was only a selected few tanks that had this bloom of amphipods but they were present in all the tanks

    And there were millions, when we cleaned out the tanks were were so covered in the amphipods that we looked like we had fallen into ant heap.. i probably had about 1000 in my hand at a time..

    i would look at upping feeding, and perhaps introducing a predator to munch the little guys back into order..

    also are they quite big? it seemed to be the bigger ones that were more prone to eating flesh...
     
  7. leslie hempel

    leslie hempel Moderator MASA Contributor

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    does make sense, it is survival of the fittest and become food if you sick....
     
  8. FrancoisJou

    FrancoisJou Thread Starter

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    Yes, there are very big ones. See, because it's only a frag tank I don't keep fish in it at the moment. Would shrimp eat the pods?

    What do the pods eat?
     
  9. FrancoisJou

    FrancoisJou Thread Starter

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    the snail is fine though. it's a week later and it's still going strong in the other tank.
     
  10. leslie hempel

    leslie hempel Moderator MASA Contributor

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    yep i thinks its because the amphipods are large and i think a shrimp may attack them in the absence of food but a sixline or another wrasse of somesort will be better..

    im not 100% sure about snails but if they are like abalone they do not have a clotting agent in their blood, so if they are damaged (cut or there is a big eaten patch) they will slowly die as they will bleed to death over a period of time..
     
  11. RiaanP

    RiaanP Moderator

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    snail to be eaten by copepods is already dead most likely.
    And the copepods are not the culprit
     
    Last edited: 9 Sep 2011
  12. leslie hempel

    leslie hempel Moderator MASA Contributor

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    riaan, are you reading the posts properly? the snail is still alive...
     
  13. RiaanP

    RiaanP Moderator

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    By the time I opened this thread and the time I clicked on the submit button, a lot was said.... :blush:
     
  14. leslie hempel

    leslie hempel Moderator MASA Contributor

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    :whistling:
     
  15. RiaanP

    RiaanP Moderator

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    Yes. Normally Copepods do not take out live snails. And yes, his snail did survived. Just confirming that he should not worry. If and when copepods do attack a snail, then the snail is most likely already dead. He is obviously worried about future possible similar situations (why else this thread), so just to put his mind at ease.

    But then I saw your reply on the abalone farm. I did not know that, so yes, that is something new to me. So it does seems that copepods can become killers if no food are available. So my original statement is wrong. But as you said, there where millions in those tanks. That most likely did not happen in Francois tank, so back to my statement confirming that copepods is not the culprits that will take on live snails.
     
    Last edited: 9 Sep 2011
  16. FrancoisJou

    FrancoisJou Thread Starter

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    Thanks, that looks like an answer...
     
  17. Dlaria

    Dlaria

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    I've got 1000 amphipods and copepods on their way. Should I just throw them all in the refugeum, or 1/2 in the refugeum and the other 1/2 in the dt? Should i turn off the skimmer and canister filter first?
    Will they get sucked into the filters? They won't eat my zoa's, will they?
     
    Last edited: 4 Oct 2011
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