Twilight Parasite

These parasites have stolen the Spring Spirits' Light and has entered that area into the Twilight. The only way to bring it back to light is by destroying 16 of these little buggers. However, when you have to return the light to the spirit Lanayru, you can only get 15, after you get 15 the last one is located right above the Lakebed Temple. This is the location of...

The Twilit Bloat
Seemingly the mother of all the parasites, it is a hideous creature.