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#4909 · 🪼 jellyfish, starfish, worms & co

European Medicinal Leech

🇳🇱 Medicinale bloedzuiger ·Hirudo medicinalis

NTnear threatened 🪼 Jellyfish, starfish, worms & co 📍 in the Netherlands
European Medicinal Leech, photo 1 of 7
1/7 © mgreilhuber · CC BY-NC 4.0

what is it?

Hirudo medicinalis , the European medicinal leech , is one of several species of leeches used as " medicinal leeches ".

base stats

  • NL sightings 14iNaturalist, research grade
  • worldwide 408iNaturalist observations
  • threat NTnear threatened

Bars compare against all animals on log scales: up to 300,000 Dutch and 600,000 worldwide sightings (the most-seen species), 150 t (blue whale), 30 m and 400 years (Greenland shark).

fun facts

  • Spotted 14 times in the Netherlands on iNaturalist.
  • 408 observations worldwide on iNaturalist.
  • Scientifically named in 1758 (268 years ago).

fact sheet

English
European Medicinal Leech
Nederlands
Medicinale bloedzuiger
scientific name
Hirudo medicinalis
class
Clitellata
order
Arhynchobdellida
family
Hirudinidae
IUCN Red List
NT · near threatened
sightings in NL
14
sightings in Europe
336
sightings worldwide
408
GBIF records in NL
468
weight
—
length
—
lifespan
—
named
1758

IUCN in Dutch: gevoelig. Blank means the sources don't say.

Sources: iNaturalist taxon 357886, Wikidata Q30041, GBIF 2308887, Wikipedia (EN), Wikipedia (NL). Intro text from Wikipedia (CC BY-SA 4.0).Updated 2026-10-24.

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