Green Tetras

Question
I have a Green Tetra in a 30 or 40 gallon tank with 2 barb sharks and a kissing fish and i cleaned my tank about a week ago and now my Green Tetra is swimming upsidedown.What do you think could be the problem?I also think that i took to much water out and that is one reason he is strested.My water was tested and it was great.The fish has been swimming like this for 4-5 days.

Answer
Hi Tory,
  Hmmm.... how much water did you take out?

  Swimming upside down is very unusual and typically indicates that something is wrong with his swim-bladder.  Is he trying to right himself but failing?

-- Ron
  rcoleman@cichlidresearch.com
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