Common name: Freckled Madtom
available through www.itis.gov
Puerto Rico &
Hydrologic Unit Codes (HUCs) Explained
Native range data for this species provided in part by NatureServe
Interactive maps: Point Distribution Maps
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 Noturus nocturnus are found here.
Table last updated 5/25/2018
† Populations may not be currently present.
Revision Date: 1/1/1900
Peer Review Date: 4/1/2016
U.S. Geological Survey, 2019, Noturus nocturnus Jordan and Gilbert, 1886: U.S. Geological Survey, Nonindigenous Aquatic Species Database, Gainesville, FL, https://nas.er.usgs.gov/queries/factsheet.aspx?SpeciesID=2536, Revision Date: 1/1/1900, Peer Review Date: 4/1/2016, Access Date: 4/23/2019
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.