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Thread: Bugs you might encounter in your aquarium

  1. #61
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    Re: Bugs you might encounter in your aquarium

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    Damselfly nymph. It's a predator that will feed on shrimps and tiny fish, so it's best that you remove them whenever you see them. Safe with larger fish though; larger fish might in fact treat them as food! You could keep some damselfly nymphs on their own in a separate container and feed them with Tubifex, brine shrimp or any shrimp culls (they're also cannibalistic, so the larger nymphs will prey on the smaller nymphs as well). Quite cool to see how the nymph catches and eats prey. When it's ready to transform into an adult, you'll see the nymph crawling out of the water, preferably onto a twig or rock. The skin will split, the adult damselfly will emerge, and once the wings have hardened, it'll fly off.

    Damselfly adults and larvae are important predators of smaller insects, including mosquitoes and mosquito larvae, so they're definitely beneficial to us. But still, they can be destructive in a planted setup with shrimps.
    Small is beautiful.

  2. #62
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    Re: Bugs you might encounter in your aquarium

    thanks so much for the information!
    glad to know I'm doing the right thing!
    they are kinda vile to catch and kill trying to escape and wiggle away
    any idea on how long it takes for them to breed or whatever? so i know if i keep killing them they won't repopulate

  3. #63
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    Re: Bugs you might encounter in your aquarium

    Damselflies can remain in the nymph stage for a long period of time, anything from weeks to months or even years, depending on the species and environmental conditions. Your best course of action would be to inspect your plants and quarantine them before putting them in your aquarium. On the other hand, it's possible that the damselflies have discovered your aquarium and are behaving just like they would with any other water body, as a potentially good place for their young to grow. You might want to prevent the adult damselflies from treating your aquarium like any ordinary pond/drain and laying their eggs inside. Best is to use a cover with wire mesh or some other way to prevent the female damselfly from reaching the water.
    Small is beautiful.

  4. #64
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    Re: Bugs you might encounter in your aquarium

    they must of came from the 2 plants i have
    i have a lid and wouldn't think anything could get inside it unless when it was opened to feed/clean/water change
    i will have to keep taking these little pests out until they are extinct
    thanks again for the info

  5. #65
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    Re: Bugs you might encounter in your aquarium

    quick update
    i took everything out my shrimp tank excluding the shrimp and as i was taking things out they all began to leg it so i caught them fleeing
    also when everything was out the tank went through all the moss in a sink and lots of water and rinsing
    also also swished the sand around made them easier to see and catch when the tank was empty
    let the sand settle and then repeated until when i swished the sand around i couldn't find any floating around or swimming
    double checked and cleaned moss,sand,breading pipes,filter,plants and drift wood making sure not to have this mess again
    a day on tank cleaned right up perfectly clear water again and all parameters in line as they were
    i think i caught about 25 of them total....scary really i thought i had them all when i took 6 out lol
    my shrimp have never been so active until now
    they are all out eating and searching around not worrying about predators
    amazing result!

    thanks a lot

    anyone who sees this bug in their shrimp tank KILL THEM ALL!

  6. #66
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    Re: Bugs you might encounter in your aquarium

    Hey, I'm new here. I found a ton of these swimming around after my betta died-- they are maybe 0.5mm in size. I put one under a microscope at 10x magnification and this is what I got. Any idea what they could be?

    1.jpg2.jpg
    Attached Images Attached Images

  7. #67
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    Look like seed shrimp (ostracods) to me; they're harmless (and are in fact eaten by fishes), so they're probably not the cause of your betta's death (unless he choked to death while eating them).
    Small is beautiful.

  8. #68
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    Need some advice of my shrimp tank,
    I found up there is some worm an it looks weird see attached picture, please help what is this wormImageUploadedByTapatalk1340853446.681564.jpgImageUploadedByTapatalk1340853464.487262.jpgImageUploadedByTapatalk1340853492.731029.jpg

  9. #69
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    Re: Bugs you might encounter in your aquarium

    Quote Originally Posted by munkytec View Post
    Any idea what they could be?
    If it swims and/or burrows around the substrate, likelihood it's seed shrimps. If it's slow moving, usually on glass panels, then possibly it's freshwater limpets. Both are harmless to shrimps and fishes but aesthetically, not very pleasant.

    Quote Originally Posted by lenkohe View Post
    ...there is some worm an it looks weird
    Freshwater bristleworm comes to mind.
    I'm back & keeping 'em fingers wet,
    Ronnie Lee

  10. #70
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    Re: Bugs you might encounter in your aquarium

    Quote Originally Posted by RonWill View Post
    If it swims and/or burrows around the substrate, likelihood it's seed shrimps. If it's slow moving, usually on glass panels, then possibly it's freshwater limpets. Both are harmless to shrimps and fishes but aesthetically, not very pleasant.

    Freshwater bristleworm comes to mind.
    I see... thanks..

  11. #71
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    Re: Bugs you might encounter in your aquarium

    I found one transparent bug in my tank recently. Help can someone help me identify it? Is it harmful to my shrimps?

    http://img850.imageshack.us/img850/6923/img3077m.jpg

  12. #72
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    Re: Bugs you might encounter in your aquarium

    Quote Originally Posted by Mossboss View Post
    I found one transparent bug in my tank recently. Help can someone help me identify it? Is it harmful to my shrimps?

    http://img850.imageshack.us/img850/6923/img3077m.jpg
    it is a dragonfly nymph...get it out before it makes buffet out of your shrimps...
    Aspiring to be.

  13. #73
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    Re: Bugs you might encounter in your aquarium

    Thanks but it's really hard to catch it. It keeps burrow deep inside

  14. #74
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    Re: Bugs you might encounter in your aquarium

    Quote Originally Posted by Mossboss View Post
    Thanks but it's really hard to catch it. It keeps burrow deep inside
    dig it out then..you won't want to risk it eating up your shrimps..it is a fierce eater..you may want to see videos of it eating up fishes in youtube. Just type dragonfly nymph eating fish..
    Aspiring to be.

  15. #75
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    Re: Bugs you might encounter in your aquarium

    Quote Originally Posted by lenkohe View Post
    Need some advice of my shrimp tank,
    I found up there is some worm an it looks weird see attached picture, please help what is this wormImageUploadedByTapatalk1340853446.681564.jpgImageUploadedByTapatalk1340853464.487262.jpgImageUploadedByTapatalk1340853492.731029.jpg
    OMG I found one of this in my tank today too!!!

    Can anyone shed some light on this disgusting worm please?

  16. #76
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    Re: Bugs you might encounter in your aquarium

    Quote Originally Posted by leefhker View Post
    dig it out then..you won't want to risk it eating up your shrimps..it is a fierce eater..you may want to see videos of it eating up fishes in youtube. Just type dragonfly nymph eating fish..
    After ALOT of digging and uprooting plants, I finally caught the bugger and threw it away. It's tough too can't just crush it with my pincette.
    At least I can sleep well tonight

  17. #77
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    Does anyone knows how the damselfly eggs look like? Cs I just catch one ***hole in my shrimp tank. Trying to spot any other eggs or not. Hehe

    Thanks

    Sent from my GT-N7000 using Tapatalk 2

  18. #78
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    Re: Bugs you might encounter in your aquarium

    omg i saw that bug too
    I tot it was a new shrimp type.

    how did it get into the tank ?
    didnt add any new plants or whatever for the past 3 months

  19. #79
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    U better catch it and kill it before it eats your shrimp up. Hmm u can read the last few pages to know why. Cheers

    Sent from my GT-N7000 using Tapatalk 2

  20. #80
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    Re: Bugs you might encounter in your aquarium

    worm 2.jpg

    Found this the 1st time several weeks ago in my pleco tank. Now it appears again. Any bros know what is this? Looks like some worm pupa to me

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