I have had my ballon molly for about a month now. He's always been a bit bigger than the rest (looked fatter with a bigger tummy) overnight he's swollen up and his scales look like their pointing up and he has bubbles coming out from all over him, especially from his bum were their is a constant bubble, he's acting exactly the same as before he swelled up, not lethargic at all, still chasing round the female and eating whenever I put food in for the other fish.
I've checked the water levels and the nitrate is fine. I have also put in an anti bacterial solution and some salt just incase of any bacteria in the tank which is very unlikely as I do a 25% water change every week.
What is wrong with my Molly? Thanks.
He has a bloat, which can be the result of anything from an intestinal blockage to a parasite infestation. Try feeding the molly a piece of cooked pea. This serves as a laxative and may clear the blockage in a couple of days. If it does not, add a teaspoon of Epsom salt (magnesium sulfate) for every ten gallons of aquarium volume. Wait a couple more days, and add another dose of Epsom salt if the first one does not work.
Finally, if the laxatives do not work, you may need to consider one of the internal parasite medications sold in pet shops. Be sure to follow the directions and read the warnings; serious meds can have serious side effects. In fact, the antibiotic you mentioned could have a negative effect on the nitrogen cycle bacteria, so please check the label.
Any treatment will produce better results if the aquarium has no water quality issues. Here is how to find and fix such things:
Often, partial water changes as describen in the above link are more effetive than other treatments. Mollies can adjust to brackish water, but salt concentration must be increased in small steps. Salt is not a universal cure, and table salt containing iodine can poison freshwater fish.
Ok thank you so much for your advice! I really like him so would be upset to loose him. I'll try the cooked peas and see if that helps, the salt I used definitely didn't have any iodine in as I double checked this. Thank you again for your help
Hi, just a quick up date on my fish. I've put in some cooked peas which he seems to to be eating so that's good. I've noticed now there's a white stringy line coming out of both his gills and on the bubble which is covering his bum. I've also added in the epsom salt as advised, is the white string a sign of him getting better?
It's best to be very conservative with the meds and chemical cures. They don't work in the long term and can very well just complicate things. Good water quality is much more effective.
Thats most def dropsy! Bloat is one thing, but when their scales are inflamed, they've got dropsy. You can find dropsy specific treatment at any local pet shop!