Leech
Facts
- More than 63 species of fresh-water leeches
- 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
Description
- Worm-like, segmented body
- Body is somewhat flat
- Suckers on the underside at both ends (one is usually larger than the other)
- fresh water
- invertebrates
- locomotion
- parasites
- riffle
- scavengers
- segmented
- species