|Scientific Name:||Notophthalmus viridescens (Rafinesque, 1820)|
|Taxonomic Source(s):||Frost, D.R. 2014. Amphibian Species of the World: an Online Reference. Version 6 (27 January 2014). New York, USA. Available at: http://research.amnh.org/herpetology/amphibia/index.html. (Accessed: 27 January 2014).|
|Red List Category & Criteria:||Least Concern ver 3.1|
|Assessor(s):||IUCN SSC Amphibian Specialist Group|
|Contributor(s):||Hammerson, G.A. & Garcia Moreno, J.|
|Facilitator/Compiler(s):||Garcia Moreno, J. & Hobin, L.|
Listed as Least Concern in view of the large extent of occurrence, large number of sub-populations and localities, large population size and use of a wide range of habitats.
|Previously published Red List assessments:|
|Range Description:||This species can be found throughout the eastern USA and adjacent southern Canada; west to Minnesota, eastern Kansas, and eastern Texas (Petranka 1998). There are thousands of occurrences.|
Native:Canada (New Brunswick, Nova Scotia, Ontario, Québec); United States (Alabama, Arkansas, Connecticut, Delaware, Florida, Georgia, Illinois, Indiana, Iowa, Kansas, Kentucky, Louisiana, Maine, Maryland, Massachusetts, Michigan, Minnesota, Mississippi, Missouri, New Hampshire, New Jersey, New York, North Carolina, Ohio, Oklahoma, Pennsylvania, Rhode Island, South Carolina, Tennessee, Texas, Vermont, Virginia, West Virginia, Wisconsin)
|Range Map:||Click here to open the map viewer and explore range.|
|Population:||It is widespread and abundant with a stable population. It might have increased as creation of farm ponds augmented available habitat (Petranka 1998). It could be increasing with increasing beaver populations (Petranka 1998).|
|Current Population Trend:||Stable|
|Habitat and Ecology:||Adults and larvae inhabit ponds, swamps, and quiet stream pools. Animals may burrow into mud if pond dries. Efts and sometimes adults (i.e. over wintering ones) inhabit wooded areas (terrestrial eft stage lasts 2-7 years). The adults are generally permanently aquatic in northeastern USA, but may leave ponds in summer or fall in some areas (e.g. montane Virginia). Eggs are attached to submerged vegetation.|
|Use and Trade:||There are no records of this species being utilized.|
|Major Threat(s):||Roads negatively impact salamander abundance in roadside habitat and might serve as partial barriers to movement (deMaynadier and Hunter 2000). Introduced Bluegill Sunfish might cause declines in larval abundance (Smith et al. 1999). However, on a range-wide basis, the species has no major threats|
It occurs in many protected areas.
Monitoring and research on population trends are lacking.
|Citation:||IUCN SSC Amphibian Specialist Group. 2015. Notophthalmus viridescens. The IUCN Red List of Threatened Species 2015: e.T59453A78906143.Downloaded on 20 February 2018.|