The appropriate name is Delphinus capensis tropicalis (van Bree, 1971). D. capensis may be difficult to distinguish from D. delphis, especially at sea. Its body is more slender and it has a longer beak than the short-beaked common dolphin. The beak is sharply demarcated from the melon, which is somewhat flat in appearance. (2003) report on the long-term residency of two long-beaked common dolphins in two small bays off the central coast of Chile, extending the eastern South Pacific range southward by 800 nm. Distribution of Delphinus capensis: disjunct populations in warm temperate and tropical coastal waters (Hammond et al. The long-beaked common dolphin (Delphinus capensis) is a species of common dolphin. It has a more restricted range than the short-beaked common dolphin (D. delphis). It has a disjointed range in coastal areas in tropical and warmer temperate oceans. The long-beaked common dolphin is a member of common dolphin genus, Delphinus within the dolphin family, Delphinidae in the cetaceans order. Until the mid-1990s, the different forms within Delphinus were not recognized as separate species, but were all considered members of the species D. delphi For the ray-finned fish known as common dolphin, see Mahi-mahi. The common dolphin is the name given to two species (and possibly a third) of dolphin making up the genus Delphinus. Prior to the mid-1990s, most taxonomists only recognised one species in this genus, the common dolphin Delphinus delphis. The common dolphin is not the dolphin of popular imagination despite its name; that distinction belongs to the bottlenose dolphin due to its widespread use in marine parks and its appearance in the television series Flipper. Taxonomic Notes: Some researchers consider the geographic form of the lLng-beaked Common Dolphin in the Indo-Pacific with an exceptionally long beak to be a separate species, D. tropicalis (e.g., Van Bree and Gallagher 1978; Rice 1998).  The short-beaked common dolphin Delphinus delphis is listed globally on Appendix II of the Convention on the Conservation of Migratory Species of Wild Animals (CMS). As amended by the Conference of the Parties in 1985, 1988, 1991, 1994, 1997, 1999, 2002, 2005 and 2008. The common dolphin is not the dolphin of popular imagination despite its name; that distinction belongs to the bottlenose dolphin due to its widespread use in marine parks and its appearance in the television series Flipper. Although an exceptionally long-beaked form occurring in parts of the Indo-Pacific is sometimes considered to be a separate species, the most recent evidence indicates that it is a subspecies of the long-beaked common dolphin, Delphinus capensis tropicalis. Morphological. Referring to the visible or measurable characteristics of an organism. Nominate subspecies. The subspecies indicated by the repetition of the specific name. Thus, in this case the Delphinus capensis capensis is the nominate subspecies of the long-beaked common dolphin, Delphinus capensis. Taxonomic. Refers to taxonomy, the science of classifying organisms, grouping together animals which share common features and are thought to have a common ancestor
http://www.cms.int/reports/small_cetaceans/data/d_capensis/d_capensis.htm https://en.wikipedia.org/wiki/Long-beaked_common_dolphin https://en.wikipedia.org/wiki/Common_dolphin http://www.iucnredlist.org/details/6337/0 https://en.wikipedia.org/wiki/Common_dolphin http://www.arkive.org/long-beaked-common-dolphin/delphinus-capensis/
what was the body structure of the delphinus capensis