Gambusia affinis
Gambusia affinis
(Western Mosquitofish)
Fishes
Native Transplant
Collection Info
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7 results for Gambusia affinis (Western Mosquitofish)
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Specimen IDStateCountyLocalityYear HUC Number What's this? Drainage nameStatus
748205 CASan Luis Obispolarge pond E of mouth of Santa Maria River1977 18060008 Santa Mariaestablished
748038 CASanta BarbaraSanta Barbara-San Luis Obispo County line. Santa Maria River near mouth, 3.2 km from mouth1975 18060008 Santa Mariaestablished
747805 CASanta BarbaraSanta Barbera, county line, Santa Maria river, ca .5 km up from mouth SSE1981 18060008 Santa Mariaestablished
747809 CASanta BarbaraSanta Barbera, county line, lower Santa Maria river 1-1.5 km upstream of mouth in ocean1981 18060008 Santa Mariaestablished
747844 CASanta BarbaraSanta Maria R., at mouth1989 18060008 Santa Mariaestablished
748206 CASanta BarbaraSanta Maria River lagoon1977 18060008 Santa Mariaestablished
747737 CASanta BarbaraSanta Maria Valley; W Bradley Lake2000 18060008 Santa Mariaestablished

Data Disclaimer: Number of records does not imply species abundance. This summary represent collection records only and may not reflect the actual distribution of established populations. These data are preliminary or provisional and are subject to revision. They are being provided to meet the need for timely best science. The data have not received final approval by the U.S. Geological Survey (USGS) and are provided on the condition that neither the USGS nor the U.S. Government shall be held liable for any damages resulting from the authorized or unauthorized use of the data.

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The data represented on this site vary in accuracy, scale, completeness, extent of coverage and origin. It is the user's responsibility to use these data consistent with their intended purpose and within stated limitations. We highly recommend reviewing metadata files prior to interpreting these data.

Citation information: U.S. Geological Survey. [2025]. Nonindigenous Aquatic Species Database. Gainesville, Florida. Accessed [1/30/2025].

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For general information and questions about the database, contact Wesley Daniel. For problems and technical issues, contact Matthew Neilson.