Gambusia affinis
Gambusia affinis
(Western Mosquitofish)
Native Transplant

5 results for Gambusia affinis (Western Mosquitofish)
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Specimen IDStateCountyLocalityYear HUC Number What's this? Drainage nameStatus
748118 CARiversideSandia Creek, from Martin Fleming Ranch entrance upstream1998 18070302 Santa Margaritaestablished
747967 CASan DiegoDe Luz Creek Trib. Township: San Diego. Maps: 250k-Santa Ana, 24k-Fallbrook, 100k-Oceanside.2001 18070302 Santa Margaritaestablished
748066 CASan DiegoSanta Margarita River at Camp Pendleton Hospital1975 18070302 Santa Margaritaestablished
747710 CASan DiegoSanta Margarita River, Temecula Gorge1975 18070302 Santa Margaritaestablished
748237 CASan DiegoSanta Margarita River; 5-6 km from inland of ocean, 2-3 km upstream of Interstate 5.1974 18070302 Santa Margaritaestablished

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.


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. [2024]. Nonindigenous Aquatic Species Database. Gainesville, Florida. Accessed [6/25/2024].

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