Nicholas, a resident dolphin at Clearwater Marine Aquarium, jumps behind Coast Guard Station Sand Key crewmemberst at the aquarium in Clearwater, Florida, Tuesday, April 24, 2018. While at the aquarium, Coast Guard crewmembers participated in marine wildlife rescue training and learned best practices when encountering sick or injured marine wildlife like dolphins, manatees and sea turtles. (U.S. Coast Guard photo by Petty Officer 2nd Class Ashley J. Johnson)