Micropterus salmoides
Micropterus salmoides
(Largemouth Bass)
Fishes
Native Transplant
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16 results for Micropterus salmoides (Largemouth Bass)
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Specimen IDStateCountyLocalityYear HUC Number What's this? Drainage nameStatus
29169 CA South California drainage1976 18070102 Santa Claraestablished
612244 CALos AngelesCastaic Creek, just below Castaic Lagoon1975 18070102 Santa Claraestablished
747077 CALos AngelesCastaic Creek, just below Castaic Lagoon1975 18070102 Santa Claraestablished
282194 CALos AngelesCastaic Creek, just below Castaic Lagoon[Lake]1975 18070102 Santa Claraestablished
167840 CALos AngelesCastaic Lake2000 18070102 Santa Claraestablished
612245 CALos Angelesoutflow below a small lake below Castaic Lake1975 18070102 Santa Claraestablished
747192 CALos Angelesoutflow below a small lake below Castaic Lake1975 18070102 Santa Claraestablished
282190 CAVenturaLake Piru1978 18070102 Santa Claraestablished
747223 CAVenturaLake Piru at boat launch.1972 18070102 Santa Claraestablished
612269 CAVenturaLake Piru at boat launch.1972 18070102 Santa Claraestablished
746755 CAVenturaPiru Cr. 11.95 km from confluence with Santa Clara River.1974 18070102 Santa Claraestablished
612274 CAVenturaPiru Cr. 11.95 km from confluence with Santa Clara River.1974 18070102 Santa Claraestablished
746756 CAVenturaPiru Cr. 18.7 km from confluence with Santa Clara R.1974 18070102 Santa Claraestablished
612275 CAVenturaPiru Cr. 18.7 km from confluence with Santa Clara R.1974 18070102 Santa Claraestablished
746754 CAVenturaPiru Cr. 9.1 km from confluence with Santa Clara R.1974 18070102 Santa Claraestablished
612277 CAVenturaPiru Cr. 9.1 km from confluence with Santa Clara R.1974 18070102 Santa Claraestablished

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 [12/16/2025].

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