why does my fish act weird then die?

Question

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

2011-11-26T22:03:48Z

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

2011-11-26T22:06:59Z

i have a 29 gallon tank and about 15 fish

What A Bichir! · Accepted 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 · Answer

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 · Answer

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 · Answer

How big is your tank?
How many fish do you have?
What are your water parameters?

JessXO · Answer

bc its a fish

why does my fish act weird then die?

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