Unusual dominance by desert pupfish (Cyprinodon macularius) in experimental ponds within the Salton Sea Basin
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Abstract
In October 2006, months after shallow experimental ponds in the Salton Sea Basin were filled with water from the Alamo River and Salton Sea, fish were observed in several ponds, although inlets had been screened to exclude fish. During October 2007–November 2009, nine surveys were conducted using baited minnow traps to document species and relative abundance of fish. Surveys yielded 3,620 fish representing five species. Desert pupfish (Cyprinodon macularius), the only native species encountered, was the most numerous and comprised >93% of the catch. Nonnative species included western mosquitofish (Gambusia affinis, 4.1%), sailfin molly (Poecilia latipinna, 2.8%), and tilapia (a mixture of hybrid Mozambique tilapia Oreochromis mossambicus × O. urolepis and redbelly tilapia Tilapia zillii, <0.1%). Dominance by desert pupfish, which persisted over our 2 years of study, was unusual because surveys conducted in nearby agricultural drains yielded relatively few desert pupfish.
Study Area
| Publication type | Article |
|---|---|
| Publication Subtype | Journal Article |
| Title | Unusual dominance by desert pupfish (Cyprinodon macularius) in experimental ponds within the Salton Sea Basin |
| Series title | Southwestern Naturalist |
| DOI | 10.1894/F12-CMT-06.1 |
| Volume | 56 |
| Issue | 3 |
| Year Published | 2011 |
| Language | English |
| Publisher | BioOne |
| Contributing office(s) | Salton Sea Science Office, Western Fisheries Research Center |
| Description | 8 p. |
| First page | 385 |
| Last page | 392 |
| Country | United States |
| State | California |
| Other Geospatial | Salton Sea |
| Google Analytic Metrics | Metrics page |