Put the summary of the bug you're having here
I was expecting it to stay on top of the water
floated in the air about 1-2 block above the water
Steps to Reproduce:
1. step 1-4 blocks away from the water
2. right click with the fishing rod
3. and floats
Thank you for your report.
However, your ticket has been resolved as a duplicate.
This issue has been linked to the original bugreport: MC-11877. You can find or add further information on that report.
Please search before reporting any bugs, as it's likely that one exists already.