Haemadipsa zeylanica, a terrestrial leech Placobdelloides siamensis, a parasite of turtles in Thailand. The ventral face (right) shows many young leeches. [3] Some 680 species of leech have been …

Dec 26, 2025 · 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 …

Aug 20, 2021 · Learn how to safely and quickly remove a leech, as well as how to recognize a leech and when to seek immediate medical treatment.

Nov 7, 2025 · 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.

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 …

May 27, 2024 · 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 …

Leech bites primarily occur while bathing or drinking unfiltered water or while swimming in contaminated water. A leech has an anterior oral sucker as well as a posterior sucker.

Dec 16, 2025 · Annelid - Leech, Parasitic, Bloodsucking: Leeches are segmented worms characterized by a small sucker at the anterior end of the body and a large sucker at the posterior end; the …

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.

Sep 27, 2024 · Leech therapy involves applying leeches to a wound to increase circulation, improve blood flow, and promote healing. Its practice has varied over time, but it continues to be used in …