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Results 1 to 10 of 10
  1. Default Boring Neon Tetras?

    0 Not allowed!
    I have a 15-gallon tank with 2 male dalmatian mollies, 8 neon tetras, 4 ghost shrimp and 2 mystery snails.

    Ammonia: 0
    Nitrites: 0
    Nitrates: 15

    Over the past two weeks I added the half-inch tetras. Most of the time they stay in the well-hidden planted area. They will eventually come out but only for a few minutes or to eat. At night, they spend all their time in the hidden spots.

    My tank also finished cycling, so are they acclimating to the tank still? Building their confidence? The mollies are not aggressive at all, only chasing each other rarely and do not give the tetras problems. Why are my tetras just hanging out and how can I get them to be active?


  2. Default

    0 Not allowed!
    with my experience with neons (a little over a year so bare with me haha) it takes a little bit for them to get comfortable in their new homes. i had my 8 neons in a 55g for about 8 months and they were pretty social and schooling around a lot. then i bought a 15g, planted it, and moved the neons there. they would all hide behind the plants and barely come out. but eventually they started coming out and now theyre all over the tank just chilling and a little over an inch long. sometimes they all stay together, and sometimes they break off into small groups.

    just give them some time i would think. not all fish are the same.

  3. #3


    0 Not allowed!
    if you are able to, dimming the light in your tank may help
    them find confidence. bright light =no hidey holes and floating plant cover=chance of getting eaten, or at least that is what the fish think.

  4. #4


    0 Not allowed!
    It's because they are with bigger fish. Neons will swim all over a tank when they have it to themselves but will clump up together and hide most of the time if others share their tank.
    Last edited by Lady Hobbs; 05-29-2012 at 01:58 AM.

  5. #5

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    0 Not allowed!
    Neons (if wild - yours may be tank breed) need rather clean water and nitrates of 15 ppm are a bit high - a 75% water change would be in order and then 50% as needed to keep the nitrates below 10 ppm IF your tap water allows - i.e. if the tap is 10 ppm nitrate or higher, the WC will do little ... .
    Knowledge is fun(damental)

    A 75 gal with eight Discus, fake plants, and a lot of wood also with sand substrate. Clean up crew is down to just two Sterba's Corys. Filters: continuous new water flow; canister w/UV, in-tank algae scrubber!! Finally, junked the nitrate removal unit from hell.

    For Fishless cycling:

  6. #6

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    0 Not allowed!
    Remember in the wild neon tetras school in numbers reaching the millions, so having 8 is going to scare the crap out of them, especially when there are (in their eyes) two larger predators cruising around. For them their only defense is in large numbers.

    If you rehome the mollies and up the school to 20-25 you will get a better idea of what a proper school of neon tetras should look like. Even if you don't rehome the mollies I would still up their numbers to 15.
    My therapist says I need a bigger tank . . . . .

  7. #7


    0 Not allowed!
    A larger school would be best. The more the merrier, when it comes to Tetras. As the old saying goes.

  8. Default

    0 Not allowed!
    Quote Originally Posted by Cermet
    Neons (if wild - yours may be tank breed) need rather clean water and nitrates of 15 ppm are a bit high - a 75% water change would be in order and then 50% as needed to keep the nitrates below 10 ppm IF your tap water allows - i.e. if the tap is 10 ppm nitrate or higher, the WC will do little ... .
    Yes my tap water is around 5-10 PPM nitrAtes. I usually do a weekly 30% water change. I switched my neons for Rasboras and they are much more active. I now have 2 small Dalmatian mollies and 7 Rasboras. Everything seems great.

  9. #9


    0 Not allowed!
    +1. I used to have 10 neons in my 30g tank. I moved on my Zebra Danios and bumped up the number to 25ish. They are much more active now and spread out all over the tank or schoal in the bare area in the middle (the sides and back of my tank are heavily planted). Mine weren't bothered at all by the large swordtails I had in there.

    Whoops, didn't see you swapped them. Good luck with your new Rasboras!

  10. Default

    0 Not allowed!
    Don't you think you have too many fish for a 15 gallon tank?

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