A Dolphin is a variety of a Prince Albert piercing, whereby two Prince Albert piercings mostly are connected with curved piercing jewellery.
Certainly the Dolphin sits deeper than the Prince Albert piercing. That is, it begins there, where the normal Prince Albert piercing ends.
By every genital piercings you should waive on any sexual activities during the healing time. The healing takes about 2 to 6 weeks and mostly it runs uncomplicated, whereby you must count on secondary haemorrhage.