NORTH AMERICAN MEDICINAL LEECH (Macrobdella decora): SPECIES ACCOUNTS
GIANT AMAZONIAN LEECH (Haementeria ghilianii): SPECIES ACCOUNTS
GEOGRAPHIC RANGE
Leeches live on all continents except Antarctica.
CONSERVATION STATUS
One species of leech, the European medicinal leech, is listed by the World Conservation Union (IUCN) as Lower Risk, or at risk of becoming threatened with extinction in the future. They are threatened due to habitat loss and over-collecting. Other species with limited distributions may also be threatened.
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