bluesword23516 said:That is a female Molly and she is very pregnant
If you are worried she is bloated, you can feed them thawed peas. My fish love them as a snack
bluesword23516 said:It is definitely female. Do you have other mollies in the tank? She appears to be pregnant. Also to you have some aquarium salt in your tank?
bluesword23516 said:If you can post some pictures, and mollies are found in brackish water in the wild (salt and freshwater). To help prevent your mollies from getting sick it is best to have some aquarium salt. What other fish do you have in there.