Mexican Tetra - Astyanax mexicanusNative Fish
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USGS NAS| HUC Code | Watershed Name | Occurrence | Source |
| 12110106 | Upper Frio | Current | NatureServe |
| 12110107 | Hondo | Current | NatureServe |
| 12110108 | Lower Frio | Current | NatureServe |
| 12110111 | Lower Nueces | Current | NatureServe |
| 12110205 | Baffin Bay | Current | NatureServe |
| 12110208 | South Laguna Madre | Current | NatureServe |
| 13040203 | Black Hills-Fresno | Current | NatureServe |
| 13040205 | Big Bend | Current | NatureServe |
| 13040208 | Reagan-Sanderson | Current | NatureServe |
| 13040212 | Amistad Reservoir | Current | NatureServe |
| 13040302 | Lower Devils | Current | NatureServe |
| 13060001 | Pecos Headwaters | Historic | NatureServe |
| 13060003 | Upper Pecos | Current | NatureServe |
| 13060004 | Taiban | Current | NatureServe |
| 13060007 | Upper Pecos-Long Arroyo | Historic | NatureServe |
| 13060008 | Rio Hondo | Historic | NatureServe |
| 13060009 | Rio Felix | Historic | NatureServe |
| 13060011 | Upper Pecos-Black | Current | NatureServe |
| 13070001 | Lower Pecos-Red Bluff Reservoir | Current | NatureServe |
| 13070002 | Delaware | Historic | NatureServe |
| 13070003 | Toyah | Current | NatureServe |
| 13070005 | Barrilla Draw | Current | NatureServe |
| 13070006 | Coyanosa-Hackberry Draws | Current | NatureServe |
| 13070008 | Lower Pecos | Current | NatureServe |
| 13070011 | Howard Draw | Current | NatureServe |
| 13080001 | Elm-Sycamore | Current | NatureServe |
| 13080002 | San Ambrosia-Santa Isabel | Current | NatureServe |
| 13080003 | International Falcon Reservoir | Current | NatureServe |
| 13090001 | Los Olmos | Current | NatureServe |
| 13090002 | Lower Rio Grande | Current | NatureServe |
Citation:
FishMap.org. 2025. Mexican Tetra - Astyanax mexicanus. Available online at http://fishmap.org/species/Mexican-Tetra.html - last accessed September 10, 2025.
FishMap.org. 2025. Mexican Tetra - Astyanax mexicanus. Available online at http://fishmap.org/species/Mexican-Tetra.html - last accessed September 10, 2025.
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Change Log
- 02/05/2024 10:01:04
Fixed issue with GBIF data being returned in eventDate field.
- 11/20/2018 11:35:34
Added iDigBio.org collection data to species maps.
- 11/15/2018 15:19:23
Added GBIF.org collection data to species maps.
- 09/20/2018 21:25:13
Started caching Fish Net 2 data. Hopefully this helps with some of the performance issues and loads.
- 09/14/2017 11:15:00
Fixed an issue preventing users from submitting records. Sorry for the inconvience! Please try again.
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