A lizard is a reptile that is widely recognized across the world. Studies indicate there are 6,000 lizard species worldwide. Some of the characteristics of the lizard include a long body, feet and external ears and lizards have good vision, as well. Additionally, the tail of the lizard is usually a very vivid color. A lizard tattoo is symbolic of letting go and being able to protect yourself. This is thought to be because of the ability of a lizard to easily drop its tail. Many nature lovers choose a tattoo of this type because of the beauty of it.