| Just like most livebearers the anal fin (fin on the bottom closest to the tail)will dictate the sex. Females have a kind of seashell ( for lack of better term) look. Males have a pointed fin, like a stick or something similar sounding 80) check the bottom of the page in this link for pictures. |
Here is a link that might be useful: Molly Sexing
| Click on the link for a picture of a female guppy. That will give you the concept of the same for the molly. Females are larger than males and have rounded fins. |
Here is a link that might be useful: gravid spot pic
