It is always difficult to tell from a photograph, so to be safe your mole should be carefully evaluated. Please use the ABCDE's as your guide for when to be concerned about moles: A for Asymmetry; B for irregular Borders; C for black or uneven Colors; D for Diameter greater than a pencil eraser; and E for a growth that is Evolving or changing. If necessary, it is an extremely simple five minute procedure for a dermatologist to remove the mole using either a "punch" or a "shave" biopsy which typically leaves a minimal scar. The mole can then be checked microscopically for reassurance.
Moles need to be removed if they are symptomatic or dark. I suggest you see an expert if you are concerned these can be removed in the office. Best, Dr. Emer.