Inverts Carry Parasites ?

Discussion in 'Quarantine Tanks, sick fish, QT corals' started by Nemos Janitor, 6 Mar 2015.

  1. Nemos Janitor

    Nemos Janitor

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    Here is another interesting exercise.

    Not going to turn this one into a pole :tt2: LOL

    We know that WS is transmitted by amongst others food and inverts.

    Could that hermit crab or tube worm one bought from the LFS introduce a parasite to your aquarium? Maybe a coral....

    Are inverts and corals immune to parasite? if so why?
     
    Last edited: 6 Mar 2015
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  3. TaahirS

    TaahirS MASA Contributor

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    Yes, an invert, coral or rock can carry ich. So basically it can hitch a ride from the lfs into your tank, that's why you should qt everything.

    Inverts cannot get ich. Why? I will have to do more research.;)
     
  4. Krushto

    Krushto

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    Hey there...

    Lol finally a question in my field :)

    Yes, inverts can introduce many parasites into our beloved tanks.
    Snails may harbour trematode sporocycts, which in turn will release cercariae which in turn might infect the fish within our tanks if the preferred hosts are not available.
    Copepod hitchhikers which may come along with some liverock or the rock a coral is attached to, may serve as intermediate hosts for the developmental stages of various cestodes, which in turn might get consumed by a fish, in which the adult cestode will mature and release more eggs into the system.
    Then, oncomiracidia (monogenean developmental stages) may easily be transported into our systems along with liverock or corals or even snail shells, and these generally try find their way onto fish gills, where they develop into adults and pump out more eggs.
    And then, on the body surfaces of crustaceans, we can expect temnocephalidians, these are ecto-commensal organisms, however, too high a population on an individual can hamper oxygen availability of that crustacean...

    If I think of more, I will post about it.

    Ps. for those who catch their own fish from the coast, be cautious, as marine species of Argulus can easily be introduced in that manner...
     
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  5. Nemos Janitor

    Nemos Janitor Thread Starter

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    Would like to explore this a lot more. But if inverts "carry" or "transmit" parasites, should they not be removed from a system that is in a QT process?

    Lets concentrate on the "carry" aspect.
     
  6. TaahirS

    TaahirS MASA Contributor

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    The ich cannot host an invert so after a period of time with no host the ich will die out.
     
  7. Nemos Janitor

    Nemos Janitor Thread Starter

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    Are you sure?... What if a invert digests or ingests a "ich". What happens then?:m106:
     
    Last edited: 6 Mar 2015
  8. Krushto

    Krushto

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    Regarding QT for snails, sadly that wont work hey... With most trematodes, when the snail host is infected by a miracidium, this will develop into a sporocyst. Sporocysts will then produce daughter sporocysts, rediae, and cercariae (the infective stage), so even though you QT them for lets say a month, they will still be harbouring rediae or sporocycts within their tissues...

    Also remember, when researching things like ich via google, that it would most likely be searching for Ichthyopthirius...
     
  9. RiaanP

    RiaanP Moderator

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    Freshwater whitespot.

    Kind off similar in life cycle. But completely another organism.
     
  10. Krushto

    Krushto

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    Lol yep, had lectured my students on it last Thursday
     
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