WoRMS is continuously updating and strives to reflect current published scientific knowledge, without making new taxonomic decisions. The Data Management Team welcomes any feedback and suggestions for improvement.
When a human or an animal, such as a dog or horse, is said to "have worms", it means that it is infested with parasitic worms, typically roundworms or tapeworms.
Enter the world of worms and read about various types, from earthworms to blood flukes, and find out how to avoid their parasitic cousins.
Tapeworm, hookworm, pinworm, and other types of worms affect the body in different ways. A person may notice worms in stool. Types of intestinal worms include tapeworm, hookworm, liver fluke,...
Most worms live in our gardens and in other soiled areas such as fields and farms. Worms do not have arms, legs or bones, instead, they have a soft, often segmented body which is covered a tiny hairs or bristles that help them move along.
Intestinal parasites include worms and one-celled organisms that rely on human hosts (their guts in particular) to hatch, grow and thrive. They spread when an unsuspecting host unknowingly ingests their microscopic eggs.
worm, any of various unrelated invertebrate animals that typically have soft, slender, elongated bodies. Worms usually lack appendages; polychaete annelids are a conspicuous exception.
Explore 50 Types of Worms with detailed identification, pictures, and fascinating facts. Learn about worms’ habitats, diets, and roles in ecosystems.
Worms are one of the largest groups of invasive species in the world. With over one million species, the bilateral symmetry of their elongated bodies makes them easy to identify.