Doan
Aquarium Advice Freak
check out this link. It is just so sad. But it also seems a bit strange that all were found to be in good health.
http://www.cnn.com/2004/TECH/science/03/17/dolphin.deaths.ap/index.html
http://www.cnn.com/2004/TECH/science/03/17/dolphin.deaths.ap/index.html