Manatees are gentle marine mammals facing devastating losses from boat strikes and cold stress events. Protecting their welfare requires specific human behavioral change and habitat management.
Manatee welfare is acutely threatened by boat strike injuries that cause lacerations, internal trauma, and long-term chronic pain from propeller scarring. Injured manatees that survive acute strikes often carry permanent injuries affecting their movement and foraging capacity. Speed zones in manatee habitat areas reduce but have not eliminated strike mortality. Cold stress events that strand hundreds of manatees require mass rescue operations. Power plant warm water outflows have become critical winter refuges, creating dependence on industrial infrastructure. Rehabilitation programs rescue injured individuals but face capacity constraints. The welfare and conservation case for manatee protection is well-established but requires continued public and regulatory support.