Alboglossiphonia heteroclita

Alboglossiphonia heteroclita is a species of leeches belonging to the family Glossiphoniidae. It is distributed across the Holarctic region, in North America and Eurasia. The species is a predator, feeding on freshwater invertebrates, including gastropods, isopods, and certain oligochaetes. They employ a sit-and-wait hunting strategy, and are usually relatively immobile.