National Oceanic and Atmospheric Administration said this bottlenose dolphin was speared to death in May and washed up on shore on Upper Captiva Island in Florida. A reward has been posted for information in the case. ( NOAA) HUNDREDS OF DOLPHINS STRANDED, WASH UP DEAD ALONG US GULF COAST, OFFICIALS SAY The bottlenose dolphin washed up on shore on Upper Captiva Island in May. The National Oceanic and Atmospheric Administration said the dolphin was known to area biologists when he was alive. He was last observed swimming around fishing boats and was seen with begging dolphins.