OMG what is happening to my fish!!!!?

Question

omg omg pleeeze help i don't know why my fish is doing this but heres the story...

ok i have this big fish tank with like 8 or 9 fish in it or something like that and a few weeks ago one of my fish died for no reson... well anyway today only one of my other fish was floting upside down but wazn't dead!! then it started swiming normal then upside down then normal then upside down then normal and then it sarted floting to the top and waz just floting there upside down like it waz dead but then it goes normal again!!! wat is happening to it!!!!!!!!!! pleeeeeeeeeeeeeze help!!!!!!!!!!!!!!!

Answer 1

Sounds like SBS (swim bladder syndrome), fast your fish for 2 days to help the fish digest the undigested food that causes SBS. If the fish is still swimming funny after 2 days give it a blanched pea, it's like laxative for fish.