From: KHOU
“When water temperatures stay below 68 degrees Fahrenheit for weeks at a time, manatees suffer cold-stress syndrome. That causes weight loss, fat loss, dehydration and other health problems that can kill them weeks later, PEER notes. Juvenile manatees are especially at risk. PEER's Ruch chided the U.S. Fish and Wildlife Service's "reduced safeguards" for the manatee because of last year's reclassification to "threatened.""