big stomach

A few days ago, I purchased a few female guppies from a chain pet shop. It looked like they did not care for their fish well and I decided to get a few to put them in a better environment. One of the guppies has a relatively large belly. Could she have something like intestinal worms? Was she...

Hi! I noticed coming home that my glo shark had a big belly , this shocked me and made me concerned if anyone has any idea please let me know

First Post. Just noticed my silver tip tetra with a huge belly, the skin around it looks sore. He or she is still active but struggling slightly. Any idea what this is? Got a photo attached. Thanks all