Short-beaked common dolphin yellow or gold in front and dirty grey in back. It has a long, thin rostrum with 50–60 small, sharp, interlocking teeth on each side of each jaw. Juvenile dolphins have a more muted appearance and become more distinguishable when they mature. The short-beaked common dolphin is a member of common dolphin genus, "Delphinus", within the dolphin family, Delphinidae. Until the mid-1990s, the different forms within "Delphinus" were not recognized as separate species, but were all considered members of the species "D. delphis". Currently, there are two recognized species of "Delphinus": the short-beaked common dolphin and the long-beaked common dolphin
USS Delphinus (AF-24) USS Delphinus (AF-24) USS Delphinus (AF-24) was built in 1915 as by Workman Clark and Co., Ltd., Belfast, Northern Ireland; acquired by the U.S. Navy 11 August 1942; and commissioned the same day as "San Mateo", Lieutenant O. M. Mikkelsen, USNR, in command. She was assigned the name "Delphinus" on 22 August 1942. Departing San Francisco, California, 12 September 1942, "Delphinus" arrived at Auckland, New Zealand, 4 October. She operated from this base until the end of 1945, carrying chilled and frozen provisions to forward bases in the South Pacific and to the Society, Fiji, and Samoan Islands. After calling