Black spot on white molly?

[JadeandScott]

We've just noticed this black spot on our white Molly! Any ideas what it could be?

 

[HUKIT]

I don't see anything to be concerned with, it's normal for fish to have coloration change as they mature.

 

[BlaseMrNiceguy]

Are you talking about the black spot near her anal fin? Are there any male mollies in the tank? Look up gravid spot on the Internet and look at the pictures, she may be pregnant!