The White Sands pupfish (Cyprinodon tularosa) is a species of pupfish in the family Cyprinodontidae. It is endemic to the Tularosa Basin in southern New Mexico, in the Western United States. They are only found in two springs and two small streams in southwest New Mexico. White Sands pupfish have dark eyes and silver scales. They grow from.mw-parser-output.frac{white-space:nowrap}.mw-parser-output.frac.num,.mw-parser-output.frac.den{font-size:80%;line-height:0;vertical-align:super}.mw-parser-output.frac.den{vertical-align:sub}.mw-parser-output.sr-only{border:0;clip:rect(0,0,0,0);clip-path:polygon(0px 0px,0px 0px,0px 0px);height:1px;margin:-1px;overflow:hidden;padding:0;position:absolute;width:1px}1+3⁄4 to 2+1⁄2 inches (4.4 to 6.4 cm) long. Adult males have a slight blue color.