The leech appears in the biblical Book of Proverbs as an archetype of insatiable greed. [1] The term "leech" is used to characterise a person who takes without giving, living at the expense of others. [2]

What are leech. Are they dangerous. Where & how long do they live. What do they eat. How do they reproduce. Learn their size, predators, & life cycle with pictures.

Leech, (subclass Hirudinea), any of about 650 species of segmented worms (phylum Annelida) characterized by a small sucker, which contains the mouth, at the anterior end of the body and a large sucker located at the posterior end.

In fact, they’re known as predatory worms because they attach themselves to animals and can cause death if too many are attached to one and remain connected for too long. There are, however, some leech species that are used in medicine.

The meaning of LEECH is any of numerous carnivorous or bloodsucking usually freshwater annelid worms (class Hirudinea) that have typically a flattened lanceolate segmented body with a sucker at each end.

Learn how to safely and quickly remove a leech, as well as how to recognize a leech and when to seek immediate medical treatment.

Meet the leech, the misunderstood hero of aquatic ecosystems all over the world, who does not always suck blood!

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The leech (Hirudinea) is a predator and blood-sucking parasite that is native to almost every continent. This aquatic worm is a member of the Annelida phylum, which means it’s related to the earthworm.

Medicinal leech populations were reduced significantly in many countries during the 19th century due to the high demand in medical contexts, and remain endangered in many countries today.