The Nonindigenous Occurrences section of the NAS species profiles has a new structure. The section is now dynamically updated from the NAS database to ensure that it contains the most current and accurate information. Occurrences are summarized in Table 1, alphabetically by state, with years of earliest and most recent observations, and the tally and names of drainages where the species was observed. The table contains hyperlinks to collections tables of specimens based on the states, years, and drainages selected. References to specimens that were not obtained through sighting reports and personal communications are found through the hyperlink in the Table 1 caption or through the individual specimens linked in the collections tables.

Richardsonius balteatus hydrophlox
(Bonneville redside shiner)
Native Transplant

Copyright Info
Richardsonius balteatus hydrophlox (Richardson, 1836)

Common name: Bonneville redside shiner

Taxonomy: available through www.itis.govITIS logo

Native Range:
Hydrologic Unit Codes (HUCs) Explained
Interactive maps: Point Distribution Maps

Nonindigenous Occurrences:

Table 1. States with nonindigenous occurrences, the earliest and latest observations in each state, and the tally and names of HUCs with observations†. Names and dates are hyperlinked to their relevant specimen records. The list of references for all nonindigenous occurrences of Richardsonius balteatus hydrophlox are found here.

StateFirst ObservedLast ObservedTotal HUCs with observations†HUCs with observations†
UT193419635Fremont; Lower Green; Strawberry; Upper Colorado-Dolores; Upper Green-Flaming Gorge Reservoir
WY194819944Upper Green; Upper Green-Slate; Upper Yellowstone; White - Yampa

Table last updated 7/20/2024

† Populations may not be currently present.

Means of Introduction: Bait release

Impact of Introduction: Richardsonius balteatus hydrophlox has been shown to feed on the eggs and fry of other fish species (Weisel and Newman 1951).

References: (click for full references)

Miller, R.R. 1952. Bait fishes of the lower Colorado River, from Lake Mead, Nevada, to Yuma, Arizona, with a key for identification. California Fish and Game. 38: 7-42.

Weisel, G.F. and H.W. Newman. 1951. Breeding habits, development and early life history of Richardsonius balteatus, a northwestern minnow. Copeia 1951(3):187-194.

Other Resources:
FishBase Summary

Revision Date: 2/17/2011

Peer Review Date: 2/17/2011

Citation Information:
U.S. Geological Survey, 2024, Richardsonius balteatus hydrophlox (Richardson, 1836): U.S. Geological Survey, Nonindigenous Aquatic Species Database, Gainesville, FL, https://nas.er.usgs.gov/queries/FactSheet.aspx?SpeciesID=645, Revision Date: 2/17/2011, Peer Review Date: 2/17/2011, Access Date: 7/20/2024

This information is preliminary or provisional and is subject to revision. It is being provided to meet the need for timely best science. The information has not received final approval by the U.S. Geological Survey (USGS) and is 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 information.


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 [7/20/2024].

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