Leech, Annelid, Bloodsucking Parasite & Medicinal Uses

Frontiers Marine vampires: Persistent, internal associations between bacteria and blood-feeding marine annelids and crustaceans

European Medicinal Leech Crawling Model - TurboSquid 2087467

Curious Kids: why do leeches suck our blood?

What is a leech? Is it an animal, insect, shell-less snail, or a fish? - Quora

Leech. (Drawing by Carolyn Barritt.)

Leech - Wikipedia

Leech - Wikipedia

European Medicinal Leech: Features, Biology, and Medical Use - Owlcation

Leech - Stock Image - C021/5917 - Science Photo Library

Annelida: Leech - Zoology Optional Notes for UPSC PDF Download