El Dorado by "Helldorado", a satirical nickname given to Tombstone, Arizona (United States) in the 1880s by a disgruntled miner who complained that many of his profession had traveled far to find El Dorado, only to wind up washing dishes in restaurants. The South African city Johannesburg is commonly interpreted as a modern-day El Dorado, due to the extremely large gold deposit found along the Witwatersrand on which it is situated. Spanish conquistadores had noticed the native people's fine artifacts of gold and silver long before any legend of "golden men" or "lost cities" had appeared. The prevalence of such valuable artifacts,
Dorado is treated (like the adjacent asterism Argo Navis) as a feminine proper name of Greek origin ending in -ō (like "Io" or "Callisto" or "Argo"), which have a genitive ending "-ūs". Dorado was one of twelve constellations named by Petrus Plancius from the observations of Pieter Dirkszoon Keyser and Frederick de Houtman. It appeared: Dorado has been represented historically as a dolphinfish and a swordfish; the latter depiction is inaccurate. It has also been represented as a goldfish. The constellation was also known in the 17th and 18th century as Xiphias. The name "Dorado" ultimately become dominant and was adopted