What does a dog's penis look like?

The penis of a dog is a kind of reproductive organ, and its shape and size will change with the dog's type, age, sexual maturity and individual differences. Generally speaking, a dog's penis is conical, with a sharp point, a wide bottom and an arc shape. The penis is covered with skin, usually pink or red. There is a pair of scrotum at the base of penis, which is used to store sperm and urine.