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Jason asked in PetsFish · 10 years ago

why does my fish act weird then die?

i just got a new fish (rain bow shark) in my fish tank. it acted weird the first day i got it. it went all over the tank, did loop and swam up side down . the next day it died. another fish died but i did not see him the day before he died so i don't know if he acted like that,but now one of my most livey fish (Odessa Barb) is acting like that. i have had fish die before and they never acted like that they just got week and died. i wanted to know if the is sick and could the other fish be at risk

Update:

i alway add water purification's and i had the fish for a mouth the rain bow shark was new but i di not put him in as soon as i got him

Update 2:

i have a 29 gallon tank and about 15 fish

6 Answers

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  • 10 years ago
    Favorite Answer

    Did you put the fish in the tank right when you got home? Did you use water purification's? Please update you info.

  • Anonymous
    10 years ago

    My first guess is ammonia poisoning which usually comes from not changing your tank water often enough. The smaller the tank, the more often you have to change it. 5 gallon tank, once a week. 20-30 gallon, change water once every 2-3 weeks.Greater, every 3 weeks. You could/should get a water test kit and test your water occasionally. Once a month is good.

  • Anonymous
    10 years ago

    Maybe the environment in the tank is stressing them out. Some fish act weird, others don't but people can't help you if you don't provide more information.

  • Rinzy
    Lv 5
    10 years ago

    How big is your tank?

    How many fish do you have?

    What are your water parameters?

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  • 10 years ago

    bc its a fish

  • 10 years ago

    Stop urinating in your fishtank.

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