what habitats live near/invade your boat?

Question: what habitats live near/invade your boat?
- Keywords:
  canal boat,
  fauna,
  flora,
  river
Asked by anon-361231 to Simone on 26 Mar 2023.
- Simone Girdham answered on 26 Mar 2023:
  
  As the boat is on water, dampness can be a problem, such as mould and mildew.
  I live close to a nature conservation area – the meadows have a special biodiversity and it is lovely to walk through when the spring flowers are out.

Question: what habitats live near/invade your boat?