Gambusia affinis
Gambusia affinis
(Western Mosquitofish)
Fishes
Native Transplant
Collection Info
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Species Profile
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16 results for Gambusia affinis (Western Mosquitofish)
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Specimen IDStateCountyLocalityYear HUC Number What's this? Drainage nameStatus
748074 ORBentonDunawi Creek near Corvallis Safeway on Philomath Blvd.2010 17090003 Upper Willametteestablished
748075 ORBentonDunawi Creek near Corvallis Safeway on Philomath Blvd.2011 17090003 Upper Willametteestablished
747982 ORBentonDunawi Creek near Corvallis Safeway on Philomath Blvd.2011 17090003 Upper Willametteestablished
748184 ORBentonDunawi Creek near Corvallis Safeway on Philomath Blvd.2012 17090003 Upper Willametteestablished
747899 ORBentonFLAT CR.1996 17090003 Upper Willametteestablished
748018 ORBentonLONG TOM R. AT BUNDY BRIDGE1994 17090003 Upper Willametteestablished
747886 ORBentonMUDDY CR., FINLEY NWR1996 17090003 Upper Willametteestablished
747983 ORBentonNewton Creek at Philomath City Park2011 17090003 Upper Willametteestablished
748298 ORBentonOSU Pond 3 at Soap Creek, 7 mi. N Corvallis1962 17090003 Upper Willametteestablished
748297 ORBentonOSU Pond 4 at Soap Creek, 7 mi. N. Corvallis1963 17090003 Upper Willametteestablished
747952 ORBentonSquaw Creek.2002 17090003 Upper Willametteestablished
748007 ORLaneAMAZON CREEK, BEHIND LANE CO. FAIRGROUNDS1996 17090003 Upper Willametteestablished
747980 ORLaneQ STREET CHANNEL1997 17090003 Upper Willametteestablished
241425 ORLinnCalapooia River at its confluence with Willamette River1996 17090003 Upper Willametteestablished
748008 ORLinnCAMOUS CR. AT NIXON RD. BRIDGE1996 17090003 Upper Willametteestablished
748004 ORLinnSPOON CREEK1997 17090003 Upper Willametteestablished

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 [12/4/2025].

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