It could be a swim bladder injury.
Is it at the top of the tank?
What size tank is this and what is the stock list?
What are your water parameters on the tank?
What is your tank maintenance routine?
Do you have a tank to isolate the fish in until we can determine what is wrong?
Kim
Is it at the top of the tank?
What size tank is this and what is the stock list?
What are your water parameters on the tank?
What is your tank maintenance routine?
Do you have a tank to isolate the fish in until we can determine what is wrong?
Kim