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Results 1 to 8 of 8
  1. #1

    Join Date
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    Default suddenly frightened fish


    0 Not allowed!
    A few days ago I upgraded filters on my 10 gal. I also started some fertilizing for my plants. I just noticed yesterday and today that my fish have suddenly beome very frightened. I have 7 x-ray tetras. Generally when they see me, they all come to the front of the tank wanting to be fed. Now, whenever I am anywhere close they all dash for cover. They dont even come out when I show them the food canister. Any idea what could account for the sudden change in behavior?

  2. #2

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    probably you messing around with the tank frightened them a bit. They should go back to normal within a day or two. That's how it's worked for me in the past, anyhow.
    300 gallon mega tank: sailfin pleco, clown loaches, silver dollars, roseline sharks, congo tetras, new world cichlids
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  3. #3

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    Default


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    Could be that. However, they usually pop out again soon after I am done with the tank, but act skiddish for the next day. Right now I see no fish. This is the most extreme I have seen them behave.

  4. #4

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    Default


    0 Not allowed!
    If you changed out the filters its probably the new noise keeping em spooked. They should be back to normal once they get used to it.

    You kept the old media right?
    Who is "General Failure" and why is he reading my hard drive?

  5. #5

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    Default


    0 Not allowed!
    This actually happened to me as well. I have diamond tetra that used to not be shy at all. Now they always dart away and stay in the back of the tank when I'm around. They have been this way for several months now. I also use fertilizers but I'm not sure if their change in behavior coincides with the addition of the ferts. I have recently replaced my filter cartridge and got my filter to run better and they seem a little less shy now so maybe it is a water quality thing?
    10g- 5 diamond tetra, 1 oto, 1 albino BN pleco, 1 assassin snail and 2 blue shrimp. Heavily planted tank.

  6. #6

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    Default


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    Well, their behavior did not coincide with the new filter. I ran the old one for a couple of days along with the new one to try to get it seeded. My ammonia is 0, so I think my nitrifying bacteria are in good shape throughout the aquarium. I figured I would skip the water change so I didnt suck out any extra bacteria. I have dosed the aquarium with ferts before but it was only once or twice. This time I made a concentrated solution to be added on a daily basis. I noticed their behavior at some point after I unplugged the original filter and added ferts.

  7. #7

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    Default


    0 Not allowed!
    Just a side note re spooky fish.... I have fry/juvies in a 20g. I only have a sponge filter in it, no decor. Well they would swarm to the surface when I'd approach the tank. Then one day I added some fake plants and they became very skittish! Once I removed the plants they went back to rushing to the surface when I'd approach the tank (to feed them). One would have thought having available "hidy" places would make them be more bold, but it had the opposite affect.

    I can only assume that the change (ferts) you did changed their environment just enough to put them on edge. I can't help but believe that they'll re-acclimate themselves to the different environment in a few days.
    Yup, I got fish!

  8. #8

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    0 Not allowed!
    Quote Originally Posted by brybot
    Well, their behavior did not coincide with the new filter. I ran the old one for a couple of days along with the new one to try to get it seeded. My ammonia is 0, so I think my nitrifying bacteria are in good shape throughout the aquarium. I figured I would skip the water change so I didnt suck out any extra bacteria. I have dosed the aquarium with ferts before but it was only once or twice. This time I made a concentrated solution to be added on a daily basis. I noticed their behavior at some point after I unplugged the original filter and added ferts.
    Did you put your old filter media in that new filter because you can not seed a filter in a couple of days. You may want to check the ferts, too, because I don't think ferts need to be added daily. You should do some water testing to make sure you aren't having an ammonia spike.

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