Need help silver dollar
Hi everyone, i have a 150l fresh water tank, with 2 silver dollars, angel & 2 balla sharks. This past weekend i cleaned my tank and today i saw one of my silver dollars are very puffy looking and his eyes are swollon like balloons. Im not sure if it is pop-eye because it doesnt look like his eyes is popping out it looks more like his eyes are swollen?can any one help me please with some advice please!!?