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Necturus maculosus (Rafinesque, 1818) - Mudpuppy

Maps

Locality Map

Locality map for Necturus maculosus (Mudpuppy)
Locality map for Necturus maculosus (Mudpuppy).
Map created 15 April 2026.

County Map

County map for Necturus maculosus (Mudpuppy)
County map for Necturus maculosus (Mudpuppy).
Map created 15 April 2026.

Historical Locality Map

Historical locality map for Necturus maculosus (Mudpuppy)
Historical locality map for Necturus maculosus (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 maculosus (Mudpuppy)
Historical county map for Necturus maculosus (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 maculosus (Mudpuppy)
Ecological Drainage Units locality map for Necturus maculosus (Mudpuppy).
Map created 15 April 2026.

Natural Divisions Locality Map

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

Major Watersheds Locality Map

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

Level I Ecoregion Locality Map

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

Level II Ecoregion Locality Map

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

Level III Ecoregion Locality Map

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

Level IV Ecoregion Locality Map

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

Native Status

Necturus maculosus (Mudpuppy) is native to Missouri.

Collection Summary

Necturus maculosus (Mudpuppy) has a total of 67 valid, non-duplicated collections representing 27 counties and 50 localities. There are a total of 39 collectors and 48 collection dates for the species. This results in a total of 52 expeditions for the species, a measure of unique date / collector(s) combinations. The earliest collection year for the species in Missouri is 1885 and its most recent collection year is 2024. The earliest and latest collection dates (independent of earliest and most recent collection years) are January 25 and December 29, 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 maculosus (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
Benton 2 2 2 2 2 1941 1970
Camden 2 6 5 4 4 1951 1966
Cape Girardeau 1 1 1 1 1 1986 1986
Crawford 1 1 4 1 1 2006 2006
Dallas 1 1 6 1 1 2006 2006
Dunklin 3 4 3 2 3 1959 1966
Franklin 1 1 1 1 1 1942 1942
Gasconade 1 2 2 1 1 2006 2006
Hickory 1 1 1 1 1 1946 1946
Iron 1 1 1 1 1 1997 1997
Jackson 2 2 1 2 2 1937 1937
Jefferson 4 5 3 4 5 1899 2019
Lewis 1 1 1 1 1 2009 2009
Lincoln 1 1 3 1 1 2024 2024
Maries 1 1 4 1 1 2007 2007
Miller 3 4 3 3 3 1941 1979
Morgan 6 7 5 6 6 1905 1997
Osage 1 1 1 1 1 1983 1983
Phelps 1 1 1 1 1 1999 1999
Pike 2 2 2 2 2 1900 1900
Pulaski 1 1 2 1 1 2006 2006
Saint Clair 3 6 2 4 4 1938 1944
Saint Louis 2 6 2 4 5 1885 1906
Stoddard 1 2 2 2 2 1898 1898
Warren 1 1 1 1 1 2005 2005
Washington 1 1 1 1 1 1909 1909
Wayne 3 3 3 3 3 1910 1987

Potential County Records

Potential counties for Necturus maculosus (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 Bollinger Same watershed, within 5 miles Whitewater
2 Clay Same watershed, within 5 miles Lower Missouri-Crooked
2 Cole Same watershed, within 5 miles Lower Osage
2 Laclede Same watershed, within 5 miles Niangua
2 Pemiscot Same watershed, within 5 miles Little River Ditches
2 Saint Charles Same watershed, within 5 miles The Sny
2 Saint Francois Same watershed, within 5 miles Big
2 Saint Francois Same watershed, within 5 miles Upper St. Francis
2 Texas Same watershed, within 5 miles Big Piney
4 Clark Same watershed, within 10 miles Bear-Wyaconda
4 Henry Same watershed, within 10 miles Harry S. Truman Reservoir
4 Madison Same watershed, within 10 miles Whitewater
4 Madison Same watershed, within 10 miles Upper St. Francis
4 Montgomery Same watershed, within 10 miles Lower Missouri
4 Polk Same watershed, within 10 miles Pomme De Terre
4 Ray Same watershed, within 10 miles Lower Missouri-Crooked
4 Reynolds Same watershed, within 10 miles Upper St. Francis
6 Butler Same watershed, within 20 miles Lower St. Francis
6 Butler Same watershed, within 20 miles Upper St. Francis
6 Cedar Same watershed, within 20 miles Harry S. Truman Reservoir
6 Clinton Same watershed, within 20 miles Lower Missouri-Crooked
6 Dent Same watershed, within 20 miles Lower Gasconade
6 Dent Same watershed, within 20 miles Meramec
6 Lafayette Same watershed, within 20 miles Lower Missouri-Crooked
6 Marion Same watershed, within 20 miles Bear-Wyaconda
6 New Madrid Same watershed, within 20 miles Little River Ditches
6 Perry Same watershed, within 20 miles Whitewater
6 Platte Same watershed, within 20 miles Lower Missouri-Crooked
6 Ralls Same watershed, within 20 miles The Sny
6 Sainte Genevieve Same watershed, within 20 miles Big
6 Scott Same watershed, within 20 miles Whitewater
8 Bates Same watershed, within 30 miles Harry S. Truman Reservoir
8 Caldwell Same watershed, within 30 miles Lower Missouri-Crooked
8 Callaway Same watershed, within 30 miles Lower Missouri
8 Carroll Same watershed, within 30 miles Lower Missouri-Crooked
8 Cass Same watershed, within 30 miles Lower Missouri-Crooked
8 Johnson Same watershed, within 30 miles Lower Missouri-Crooked
8 Scotland Same watershed, within 30 miles Bear-Wyaconda
8 Vernon Same watershed, within 30 miles Harry S. Truman Reservoir
8 Webster Same watershed, within 30 miles Niangua
10 Audrain Adjacent county, same watershed Lower Missouri
10 Greene Adjacent county, same watershed Pomme De Terre
10 Knox Adjacent county, same watershed The Sny
10 Shelby Adjacent county, same watershed The Sny

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 maculosus (Rafinesque, 1818) - Mudpuppy

Recent Taxonomic Synonyms

(none)