Welcome
Welcome to Hirudinea.org! This site is intended as the center for the Hirudinea, a.k.a. leeches, of the world.
Here you can find biological morphological, behavioral, and taxonomical information on every species of leech on earth.
This site is maintained and updated by the curators: Zakqary Roy (zakqaryroy@yahoo.com)
Species Browser
Browse all leech species by family.
Open Species Browser →
Roy’s Catalog
The world's only taxonomic authority on leech species.
Open Roy’s Catalog →
Leech Morphology
Terminology, diagnostic features, and reference diagrams.
Open Morphology →
Miscellaneous
Keys, diagrams, tidbits, and whatever else doesn't fit elsewhere.
Open Miscellaneous →