Neandertal (valley) most of the limestone and dramatically changed the shape of the valley. It was during such a quarrying operation that the bones of the original Neanderthal man were found in a cave known as Kleine Feldhofer Grotte. Neither the cave nor the cliff in which the bones were located still exists. During the 19th century the valley was called "Neandershöhle" (Neander's Cave), and, after 1850, "Neanderthal". It was named after Joachim Neander, a 17th-century German pastor. "Neander" is the Greek translation of his family name "Neumann"; both names mean "new man". Neumann lived in nearby Düsseldorf and loved the valley
Death Valley pupfish is 4 times more saline than the ocean, hot water up to , and cold water down to . This species is known from only two locations in Death Valley: Salt Creek (subspecies "salinus") at about 49 meters below sea level, and Cottonball Marsh (subspecies "milleri"), at about 80 meters below sea level. They are thought to be the remainders of a large ecosystem of fish species that lived in Lake Manly, which dried up at the end of the last ice age leaving the present day Death Valley. The Salt Creek subspecies is also found at River Springs and