Florida manatee, Trichechus manatus latirostris, a subspecies of the West Indian manatee, endangered. Series of passive interaction, passive observation. A female snorkeler with a white mask observes a manatee calf while floating over a warm springhead. Polite, passive interaction, observation. The manatee is lit with rainbow sun rays. Horizontal orientation with reflection, blue spring water and rainbow sun rays. Three Sisters Springs, Crystal River National Wildlife Refuge, Kings Bay, Crystal River, Citrus County, Florida USA.