Ash Meadows Amargosa pupfish
(Cyprinodon nevadensis mionectes )

Class: Actinopterygii Order: Cyprinodontiformes Family: Cyprinodontidae Genus: Cyprinodon Species: nevadensis Subspecies: mionectes Max Length: 6 cm Weight:   Lifespan:   Feed:     Small chunky fish, usually with several indistinct vertical stripes.   Females and young fish are olive green to tan in coloration. Males have a bluish tint, which is more vibrant during spawning.

Official Status:
	The Ash Meadoww Armagosa pupfish was designated as Endangered in the Entire Range on May 10, 1982.
Life History:
	This Ash Meadows Armagosa pupfish occurs in warm spring-fed streams and spring pools. This species feeds on algae, diatoms and smaller invertebrates that grow on the substrate. They spawn year-round, but primarily during the spring and early summer by laying individual eggs on the substrate.
Distribution and Habitat:
	The Ash Meadows Amargosa pupfish historically occurred within 10 spring systems throughout the Ash Meadows area of the Amargosa Valley , Nye County , Nevada . It currently occurs on the Ash Meadows National Wildlife Refuge and most of the major spring systems within this Refuge are designated Critical Habitat.
Threats:
	Historic threats to this species include destruction of habitat, reduction of groundwater, and introduction of non-native species. The threat of non-native predatory and competitory species, such as crayfish, remains, as does the threat of habitat destruction due to wildfire and groundwater reduction.
Fun Fact:
	Ash Meadows Amargosa pupfish can occur in as little as ½-inch deep water.