👉 The term "measuring worm" refers to a type of worm that is typically found in aquatic environments and can be found in various parts of the world. These worms are known for their ability to move through water, but they do not feed on living organisms. Instead, they use their body's structure to grip onto objects or surfaces and then pull them out with their strong jaws. Measuring worms are often used in scientific research as a way to study the behavior of aquatic animals, including fish,