west indian manatee (trichechus manatus) in crystal river, florida

animal mammal fish blue underwater organ head nose art sea eye pet seal face ocean wildlife west indian manatee trichechus manatus crystal river florida usa animals wild aquatic beautiful biodiversity biology cute eco ecology endangered species environment diving fresh water gray grey herbivore homosassa springs marine life nature cow seacow snorkeling spring submerged sunbeam swimming threatened surface manatees winter