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) at Manila in January 1946, "Delphinus" sailed for the west coast, arriving at San Francisco, California, 23 February. For a brief period she carried cargo along the west coast and to Pearl Harbor, then sailed to New Orleans, Louisiana. "Delphinus" was decommissioned on 8 May 1946 in New Orleans, and was delivered to the War Shipping Administration the same day. 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,