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Project Watershed Central New York

Dedicated to facilitating water resource education in Central New York


  • Only a few are parasites on humans
  • Leeches that attach to humans are not found in fast moving water or riffle areas
  • Many are scavengers or feed on other invertebrates
  • Suckers at both ends are used for attachment, feeding, and locomotion
  • They swim gracefully and quickly in an up-and-down motion
  • They move by attaching suckers from end to end
  • Worm-like, segmented body
  • Body is somewhat flat