This Sept. 5, 2012 photo shows Serena, a dugong at the Toba Aquarium in Toba, Japan. Dugongs, a sea mammal related to the manatee, are rare in captivity. The aquarium gift shop sells stuffed dugongs and dugong cookies. (AP Photo/Linda Lombardi)

Associated Press
This Sept. 5, 2012 photo shows Serena, a dugong at the Toba Aquarium in Toba, Japan. Dugongs, a sea mammal related to the manatee, are rare in captivity. The aquarium gift shop sells stuffed dugongs and dugong cookies. (AP Photo/Linda Lombardi)
This Sept. 5, 2012 photo shows Serena, a dugong at the Toba Aquarium in Toba, Japan. Dugongs, a sea mammal related to the manatee, are rare in captivity. The aquarium gift shop sells stuffed dugongs and dugong cookies. (AP Photo/Linda Lombardi)
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