Pixies:

are very mischievous, and like to play tricks on people,

such as lead them astray on an open road;

hence the term "pixie - led", which means someone who is lost or confused.

Leprechauns:

are Irish fairies, known for the gold treasure they keep.

If you catch one, he will lead you to it.

Selkies:

look like seals, but can shed their skin and transform into humans.

Dwarves:

live underground and work as miners.

They are very skilled and can make enchanted items.

Corrigans:

are beautiful maidens by day and ugly hags by night.

If a man should marry them, they will remain in their beautiful state.

Mossmen:

are dressed in moss and have big flowers in their hair.

They know the healing properties to everything in the forest.

Mermaids:

are also called merfolk or merrows.

They are half woman, half fish, and are said to appear in the ocean before storms.