First Isolation and Characterization of Streptococcus agalactiae From a Stranded Wild Common Dolphin (Delphinus delphis)

Streptococcosis is an infectious bacterial disease of both homeotherms and poikilotherms. Among the Streptococcus species that infect marine animals, agalactiae has broadest host spectrum, including different aquatic organisms in freshwater environments. The common dolphin ( Delphinus delphis ) categorized as Endangered Mediterranean Sea. There are few reports a streptococcal infection D . , caused by phocae iniae Here we report isolation identification S stranded, wild male was found dead September 2020 on seashore next to city Bat-Yam, Israel. carcass fresh with moderate nutritional status no apparent fishing gear or other anthropogenic-related signs. A post-mortem examination did not reveal cause death, but further laboratory analysis demonstrated presence urine, lungs pericardial fluid characterized type Ia-ST7 whole genome sequencing. Interestingly, this isolate be almost identical another recently recovered from sandbar shark Carcharhinus plumbeus same area Israel, eastern