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Necturus louisianensis Viosca, 1938 - Red River Mudpuppy

Maps

Locality Map

Locality map for Necturus louisianensis (Red River Mudpuppy)
Locality map for Necturus louisianensis (Red River Mudpuppy).
Map created 15 April 2026.

County Map

County map for Necturus louisianensis (Red River Mudpuppy)
County map for Necturus louisianensis (Red River Mudpuppy).
Map created 15 April 2026.

Historical Locality Map

Historical locality map for Necturus louisianensis (Red River Mudpuppy)
Historical locality map for Necturus louisianensis (Red River Mudpuppy). Black circles ( ) represent records after 1986, blue squares ( ) represent records between 1966 and 1986, orange triangles ( ) represent records prior to 1966. Note that more recent records might conceal underlying older records.
Map created 15 April 2026.

Historical County Map

Historical county map for Necturus louisianensis (Red River Mudpuppy)
Historical county map for Necturus louisianensis (Red River Mudpuppy). Black circles ( ) represent records after 1986, blue squares ( ) represent records between 1966 and 1986, orange triangles ( ) represent records prior to 1966. Note that only the most recent county record for each county is shown.
Map created 15 April 2026.

Ecological Drainage Locality Map

Ecological Drainage Units map for Necturus louisianensis (Red River Mudpuppy)
Ecological Drainage Units locality map for Necturus louisianensis (Red River Mudpuppy).
Map created 15 April 2026.

Natural Divisions Locality Map

Natural Divisions locality map for Necturus louisianensis (Red River Mudpuppy)
Natural Divisions and Sections locality map for Necturus louisianensis (Red River Mudpuppy).
Map created 15 April 2026.

Major Watersheds Locality Map

Major watersheds map for Necturus louisianensis (Red River Mudpuppy)
Major Watersheds locality map for Necturus louisianensis (Red River Mudpuppy).
Map created 15 April 2026.

Level I Ecoregion Locality Map

Level I Ecoregions map for Necturus louisianensis (Red River Mudpuppy)
Level I Ecoregion locality map for Necturus louisianensis (Red River Mudpuppy).
Map created 15 April 2026.

Level II Ecoregion Locality Map

Level II Ecoregions map for Necturus louisianensis (Red River Mudpuppy)
Level II Ecoregion locality map for Necturus louisianensis (Red River Mudpuppy).
Map created 15 April 2026.

Level III Ecoregion Locality Map

Level III Ecoregions map for Necturus louisianensis (Red River Mudpuppy)
Level III Ecoregion locality map for Necturus louisianensis (Red River Mudpuppy).
Map created 15 April 2026.

Level IV Ecoregion Locality Map

Level IV Ecoregions map for Necturus louisianensis (Red River Mudpuppy)
Level IV Ecoregion locality map for Necturus louisianensis (Red River Mudpuppy).
Map created 15 April 2026.

Native Status

Necturus louisianensis (Red River Mudpuppy) is native to Missouri.

Collection Summary

Necturus louisianensis (Red River Mudpuppy) has a total of 35 valid, non-duplicated collections representing 15 counties and 30 localities. There are a total of 37 collectors and 25 collection dates for the species. This results in a total of 27 expeditions for the species, a measure of unique date / collector(s) combinations. The earliest collection year for the species in Missouri is 1906 and its most recent collection year is 2013. The earliest and latest collection dates (independent of earliest and most recent collection years) are January 30 and September 1, respectively. If you have a new record to report, read the New Records section of the FAQ.

Collection Summary by County

Collection summary for Necturus louisianensis (Red River Mudpuppy) by county. Some values are unavailable since some records are represented solely by historical literature reports, which sometimes lack complete collecting data. Click on a county name to view more information about that county. Click on column headings to sort by that column.
County Localities Collections Collectors Dates Expeditions Earliest Year Latest Year
Barry 1 1 1 1 1 1997 1997
Butler 4 4 3 3 3 1956 1970
Carter 1 1 4 1 1 2008 2008
Christian 4 6 6 3 4 1976 2013
Douglas 1 1 1 1 1 1985 1985
Jasper 2 3 2 2 2 1906 1906
Newton 1 1 1 1 1 1981 1981
Oregon 1 2 4 1 1 2005 2005
Ozark 2 2 1 2 2 1970 1972
Reynolds 3 4 6 3 3 1948 2000
Ripley 2 2 2 1 2 1970 1970
Shannon 4 4 4 3 3 1941 1980
Stone 2 2 2 2 2 1914 1952
Taney 1 1 1 1 1 1993 1993
Texas 1 1 6 1 1 1998 1998

Potential County Records

Potential counties for Necturus louisianensis (Red River Mudpuppy). Counties are listed in descending order of their likelihood of having this species. Click on a county to view more information about that county. Click on column headings to sort by that column.
Likelihood County Rationale Ecoregion / Watershed
2 Greene Same Level IV ecoregion, within 5 miles Springfield Plateau
2 Howell Same Level IV ecoregion, within 5 miles Current River Hills
2 Iron Same Level IV ecoregion, within 5 miles Current River Hills
2 Iron Same Level IV ecoregion, within 5 miles St. Francois Knobs and Basins
2 Wayne Same Level IV ecoregion, within 5 miles Black River Hills Border
2 Webster Same Level IV ecoregion, within 5 miles Springfield Plateau
4 Dent Same Level IV ecoregion, within 10 miles Current River Hills
4 McDonald Same Level IV ecoregion, within 10 miles Springfield Plateau
6 Bollinger Same Level IV ecoregion, within 20 miles Black River Hills Border
6 Dunklin Same Level IV ecoregion, within 20 miles Western Lowlands Pleistocene Valley Trains
6 Lawrence Same Level IV ecoregion, within 20 miles Springfield Plateau
6 Madison Same Level IV ecoregion, within 20 miles St. Francois Knobs and Basins
6 Saint Francois Same Level IV ecoregion, within 20 miles St. Francois Knobs and Basins
6 Stoddard Same Level IV ecoregion, within 20 miles Black River Hills Border
6 Washington Same Level IV ecoregion, within 20 miles St. Francois Knobs and Basins
6 Wright Same Level IV ecoregion, within 20 miles White River Hills
7 Crawford Same Level III ecoregion, within 20 miles Ozark Highlands
8 Dade Same Level IV ecoregion, within 30 miles Springfield Plateau
8 Polk Same Level IV ecoregion, within 30 miles Springfield Plateau
9 Dallas Same Level III ecoregion, within 30 miles Ozark Highlands
9 New Madrid Same Level III ecoregion, within 30 miles Mississippi Alluvial Plain
9 Pemiscot Same Level III ecoregion, within 30 miles Mississippi Alluvial Plain
10 Barton Same Level IV ecoregion, adjacent county Springfield Plateau
11 Laclede Same Level III ecoregion, adjacent county Ozark Highlands
11 Phelps Same Level III ecoregion, adjacent county Ozark Highlands
11 Pulaski Same Level III ecoregion, adjacent county Ozark Highlands

Linnaean Classification

Kingdom:
Animalia - Animals
Phylum:
Chordata - Chordates
Subphylum:
Vertebrata - Vertebrates
Class:
Amphibia Gray, 1825 - Amphibians
Order:
Caudata Scopoli, 1777 - Salamanders
Family:
Proteidae Gray, 1825 - Mudpuppies and Olms
Genus:
Necturus Rafinesque, 1819 - Waterdogs and Mudpuppies
Species:
Necturus louisianensis Viosca, 1938 - Red River Mudpuppy

Recent Taxonomic Synonyms