Leech
![](https://oldwww.landcareresearch.co.nz/__data/assets/image/0019/2809/varieties/thumb200.jpg)
Order: Hirudinea
Size range
- Size dependent on feeding. Unfed small, fully fed 2–3 times as big
Distribution
- New Zealand and introduced
Life History
- Found in still water, drains and ponds
- Segmented like worms
- Some species can attach to animals or humans and suck blood