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.

Carassius auratus × carassius
Carassius auratus × carassius
(Goldfish × Crucian Carp)
Exotic Hybrid

Copyright Info
Carassius auratus × carassius

Common name: Goldfish × Crucian Carp

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

Nonindigenous Occurrences: Hybrids of Carassius auratus x C. carassius have been collected in Grayson and Red River Counties, Texas (Red River Authority of Texas 2001).

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 Carassius auratus × carassius are found here.

StateFirst ObservedLast ObservedTotal HUCs with observations†HUCs with observations†
TX200120012Lake Texoma; Lower Sulphur

Table last updated 9/23/2021

† Populations may not be currently present.

Means of Introduction: Aquarium release.

Status: Established

References: (click for full references)

Red River Authority of Texas. 2001. Red and Canadian Basins Fish Inventory: Grayson County. Red River Authority of Texas.

Red River Authority of Texas. 2001. Red and Canadian Basins Fish Inventory: Red River County. Red River Authority of Texas.

Other Resources:
Fact Sheet for Carassius auratus - USGS Nonindigenous Aquatic Species Database

Fact Sheet for Carassius carassius - USGS Nonindigenous Aquatic Species Database

Revision Date: 5/9/2019

Peer Review Date: 9/19/2011

Citation Information:
U.S. Geological Survey, 2021, Carassius auratus × carassius: U.S. Geological Survey, Nonindigenous Aquatic Species Database, Gainesville, FL, https://nas.er.usgs.gov/queries/FactSheet.aspx?SpeciesID=2345, Revision Date: 5/9/2019, Peer Review Date: 9/19/2011, Access Date: 9/23/2021

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. [2021]. Nonindigenous Aquatic Species Database. Gainesville, Florida. Accessed [9/23/2021].

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 queries involving fish, please contact Matthew Neilson. For queries involving invertebrates, contact Amy Benson.