Florida manatees and other sirenian species suffer thousands of boat strike injuries annually, with propeller wounds causing severe pain and often lifelong disability.
Boat propeller wounds cause severe lacerating injuries that may penetrate to bone or internal organs. Animals that survive serious strikes face weeks of painful rehabilitation and often permanent disability affecting swimming efficiency and energy expenditure. The population-level effect of chronic boat mortality on a slow-reproducing species is also significant. The welfare solution is clear: lower boat speeds in manatee habitat zones and increased enforcement. Individuals and boaters have direct agency over this through speed compliance and reporting violations.