Lumbricus earthworm species have a flattened body shape. The number of segments is about 90-195 and klitelum located on segments 27-32. Usually this type of competition from other species so that its body is smaller. But when bred of his body could match or exceed other types. Earthworm species Pheretima reached 95-150 segment segment. Klitelumnya located on segments 14-16. His body was long and cylindrical shaped gilik purplish red. Earthworm Pheretima which includes among other types of red worms, worm and worm Koot necklace.