How to sex ballon mollies

[Auratus]

I read in the pinned post that males have longer anal fins but in the lfs they all look the same, especially with balloon mollies because they are all super fat. Is there any other way to tell them apart?

 

[snotirl]

U should be able to notic the fin difference the one by there bum thats the fin to look at the female is fanned and the male straight and skinny