Originally Posted by caberg
How are they gaining access to your boat?
I think they are likely coming through the open transom. Not sure. Although these are very healthy, monster sized River Otters. I've seen them on the dock in the early mornings. At first I thought they were dogs until they hissed at me and ran off. Not sure if they could fit in the transom opening.
There is a horizontal stainless bar the runs the length of the opening that bisects the height of the opening. (not shown in photo)