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
Delphinus bounds of the constellation since 1992. HR Delphini was a nova that brightened to magnitude 3.5 in December 1967. A nova was discovered by amateur astronomer Koichi Itagaki, Nova Delphini 2013. Giants within our galaxy in Delphinus aside from Delta, Gamma and Epsilon include: Its rich Milky Way star field means many modestly deep-sky objects. NGC 6891 is a planetary nebula of magnitude 10.5; another is NGC 6905 or the Blue Flash nebula. NGC 6934 is a globular cluster of magnitude 9.75. At a distance of about 185,000 light-years, the globular cluster NGC 7006 is at the outer reaches of