Florida manatee, Trichechus manatus latirostris, a subspecies of the West Indian manatee, endangered. A manatee has its snout moving around in the sand . Researches theorize this behavior is sieving through sand to get minerals or nourishment , or it could be scrubbing its mouth or teeth, or maybe it just feels good as the snout is very sensitive. Fish, bream, Lepomis spp. swim around the manatee. Vertical orientation with blue spring water. Three Sisters Springs, Crystal River National Wildlife Refuge, Kings Bay, Crystal River, Citrus County, Florida USA.