Manatees are gentle aquatic megafauna whose welfare is severely impacted by boat collisions, a preventable threat requiring speed restrictions and awareness to address effectively.
Boat strikes cause catastrophic acute trauma to manatees - propeller wounds create deep lacerations across large body areas, causing hemorrhage, infection, and death in many cases. Survivors carry permanent propeller scars affecting thermoregulation and swimming efficiency. Near-miss collisions cause panic responses in an otherwise gentle, slow-moving species. The chronic nature of the boat strike threat means manatees in high-traffic areas live in an environment of ongoing physical danger that compromises their behavioral welfare - animals observed near marinas show elevated stress responses. Speed restrictions and boater awareness campaigns directly prevent this acute suffering. The welfare case for speed zones is among the clearest in wildlife management: lower speeds give manatees time to surface and boaters time to react.