So, about 6 months ago, i started with two guppies in a little 1.5 gal tank, and soon that multiplied into around 30 guppies, who have now matured. I keep most of them in a 16 gal tank with one peaceful balloon molly and a few ghost shrimp.
A few weeks ago, a friend bought me two pretty guppies from Petco, and we put them in the 16gal. The next day, they both died, without any symptoms other than stress, so we thought nothing of it.
Soon after this, we started losing the guppies, one after the other. They hang out in the back of the tank, lethargic, they don't eat, and recently we've noticed that the females swell up and their scales start to stick out a little right before they die, similar to dropsy possibly but i'm not too sure. Last night, i lost my beautiful lyretail male, and i decided that was the last straw.
I've checked the water in both tanks and they're normal, and we've done multiple water changes to both tanks since this started. Also, one of the females birthed fry yesterday, so i'm thinking that it's not a problem with the water. The fish don't seem to have any other symptoms, and I can't figure out what to do. Please help me. :[ I love my guppies!