 Aquifer pumping, reduction in stream flows, and predation by non-native green sunfish, are all major contributing factors to the decline of the species according to Nature Serve (2002).The San Bernardino Ranch has current plans to populate the area, and other projects involve federal habitat preservation.The Dexter National Fish Hatchery & Technology Center has had the most success, because they have developed an effective method for reintroducing the species, and providing the criteria for spawning.