When you hear the word frog, the first thing that may come to mind is the color green. Many frogs are green and most are small in size. Studies show there are at least 4800 species of frogs worldwide. The characteristics of a frog include a stout body with protruding eyes. A frog tattoo is symbolic of a love for nature. Other people view it as being a teacher because of the various stages of life that the frog goes through. Frogs even represent fertility in some cultures, as frogs are known to lay large numbers of eggs. Frog tattoos come in a variety of styles from cartoon to more realistic.