There are many who assume that magic is spilt into three areas black, white, and grey representing the intentions when using spells. However, there are many branches of magic reflecting on the elements and different forms of magic or witchcraft.
When Disney created the film The Little Mermaid (1989), many young girls dreamed of having a tail instead of legs and living in the underwater world. There are more to their aquatic hybrids than being showcased as a fun Disney character. These creatures had their own underwater society and laws that are different from the human world.