Dolphin This term has often been misused in the US, mainly in the fishing industry, where all small cetaceans (dolphins and porpoises) are considered porpoises, while the fish "dorado" is called dolphin fish. In common usage the term 'whale' is used only for the larger cetacean species, while the smaller ones with a beaked or longer nose are considered 'dolphins'. The name 'dolphin' is used casually as a synonym for bottlenose dolphin, the most common and familiar species of dolphin. There are six species of dolphins commonly thought of as whales, collectively known as blackfish: the killer whale, the melon-headed whale,
Crab-eating mongoose Crab-eating mongoose The crab-eating mongoose ("Herpestes urva") is a mongoose species ranging from the northeastern Indian subcontinent and Southeast Asia to southern China and Taiwan. It is listed as Least Concern on the IUCN Red List. Throughout its wide range there are many languages and therefore various common names for the species. In particular, according to at least some major dictionaries, the source of the species name "urva" (which at one time was also the name of the genus, as in: "Urva urva") was the Nepali language "urvá" or "arvá". The crab-eating mongoose is grey, with a broad white stripe