Medicinal leech  (Hirudo medicinalis)

Facts

Kingdom Animalia
Phylum Annelida
Class Oligochaeta
Order Gnathobdellida
Family Hirudinidae
Genus Hirudo
Size Length at rest: up to 80 mm
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Status

Classified as Vulnerable in the UK, listed under Appendix III of the Bern Convention, Appendix II of the Convention on International Trade in Endangered Species (CITES), Annex V of the Habitats Directive, and protected in the UK under Schedule 5 of the Wildlife and Countryside Act, as amended.