The Anatomy of a Red Wiggler Composting Worm – Eisenia fetida

The best type of worms for your composter is the Red Worm (Red Wiggler). Their voracious appetites, medium size, and heartiness make them ideal composting worms. Falling into the genus “anulus,” meaning “ring” in Latin, the Eisenia fetida has up to 120 circular rings. The Red Worm Body On the outside of the red wiggler worm is the cuticle. Below this, the epidermis is skin-like tissue that sends information to the nerve tissue. Sensory information travels from layers of nerve tissue to the nerve cord. Data is processed in the cerebral ganglion, which is the worm equivalent of a brain. Ever notice the rings on a red worm? These rings are made from circular muscles. They expand and contract, which shortens and lengthens the worm’s body. Muscles also run the length of this worm. Together, these two types of muscles make the worm move in all directions. The bedding they live in needs to be moist to lubricate the worm’s motion. Ever seen a bird try to pull a worm off the ground? Sometimes the worm fights back by clinging to the ground. Most of the rings on their bodies have setai sticking out. These hair-like, stiff protrusions grip the soil. They also help the worm navigate instead of just sliding around. Worm Nervous System Red worms are simple creatures, and this is reflected in their basic brains. The cerebral ganglion is a bundle of nerves that receives sensory data. For example, the cerebral ganglion processes data about moisture levels, … Continue reading The Anatomy of a Red Wiggler Composting Worm – Eisenia fetida