Gambusia affinis
Gambusia affinis
(Western Mosquitofish)
Fishes
Native Transplant
Collection Info
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19 results for Gambusia affinis (Western Mosquitofish)
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Specimen IDStateCountyLocalityYear HUC Number What's this? Drainage nameStatus
32585 HI all islands1905 20060000 Oahuestablished
32586 HI all islands1984 20060000 Oahuestablished
32770 HIHawaiiHawaii, island of1905 20010000 Hawaiiestablished
165178 HIHawaiiIsland of Hawaii2005 20010000 Hawaiiestablished
158231 HIHawaiiKaloko-Honokohau National Historic Park1999 20010000 Hawaiicollected
748060 HIHawaiiPond AB12 at Anaeho'omalu Bay (pond complex)2011 20010000 Hawaiiestablished
1618006 HIHonolulu[No locality description provided]2017 20060000 Oahuestablished
1618008 HIHonolulu[No locality description provided]2017 20060000 Oahuestablished
1618009 HIHonolulu[No locality description provided]2017 20060000 Oahuestablished
165182 HIHonoluluisland of Oahu2005 20060000 Oahuestablished
32767 HIHonoluluOahu1905 20060000 Oahuestablished
747942 HIHonoluluOahu, Kahawai Stream immediately downstream from Kalanianaole hwy (hwy 72) bridge in Waimanalo (UTM: 2361235N 632403E)2002 20060000 Oahuestablished
32768 HIKauaiisland of Kauai1905 20070000 Kauaiestablished
165183 HIKauaiisland of Kauai2005 20070000 Kauaiestablished
165180 HIKauaiisland of Molokai2005 20050000 Molokaiestablished
1887379 HIMaui[No locality description provided]2022 20020000 Maui 
165179 HIMauiisland of Maui2005 20020000 Mauiestablished
32769 HIMauiMaui [non-specific]1905 20020000 Mauiestablished
32771 HIMauiMolokai1905 32515200 Hawaiiestablished

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.

Disclaimer:

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].

Contact us if you are using data from this site for a publication to make sure the data are being used appropriately and for potential co-authorship if warranted.

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