Story Page Famous Forest Ave. The medicinal leech is a worm that sucks blood. It mostly preys on turtles and amphibians.
Leeches have muscular, stretchy bodies with a sucker at each end.
It sucks blood from mammals, including humans, first by piercing the skin with it's jaws. It uses a special compound to let the blood flow freely. The medicinal leech is greenish in color with long stripes and bright orange spots in the middle. It's under side is rich orange in color and may have black spots. It is very small and it swims very fast.