The US Fish and Wildlife Service is searching for whoever is responsible for scraping the word 'Trump' onto a manatee's back in Florida. Manatees are endangered species and harassing one is a federal criminal offense. The harassment of the manatee - which turned the slow-moving animal into a political billboard - was revealed in an underwater video on Monday, obtained by the Citrus County Chronicle. A manatee was found swimming in a Florida river with the word 'TRUMP' etched onto its back The video shows thick, block letters spelling out 'Trump' on the manatee's back. The letters appear to have been scratched into the algae growing on the animal's back. The algae that grows on manatees is thought to help protect the animals, by helping to block out harmful UV rays from the sun, according to Dolphins.org. It's unclear if the manatee could have been injured while the graffiti was scratched onto its back. It's also unknown when or where the