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Notophthalmus viridescens

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Taxonomy [top]

Kingdom Phylum Class Order Family
ANIMALIA CHORDATA AMPHIBIA CAUDATA SALAMANDRIDAE

Scientific Name: Notophthalmus viridescens
Species Authority: (Rafinesque, 1820)
Common Name(s):
English Eastern Newt

Assessment Information [top]

Red List Category & Criteria: Least Concern ver 3.1
Year Published: 2014
Date Assessed: 2014-03-03
Assessor(s): IUCN SSC Amphibian Specialist Group
Reviewer(s): Luedtke, J.
Contributor(s): Hammerson, G.A. & Garcia Moreno, J.
Facilitator/Compiler(s): Garcia Moreno, J.
Justification:
Listed as Least Concern in view of its wide distribution, tolerance of a degree of habitat modification and presumed large population.
History:
2004 Least Concern

Geographic Range [top]

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.
Countries:
Native:
Canada; United States
Range Map: Click here to open the map viewer and explore range.

Population [top]

Population: It is widespread and abundant. It might have increased as creation of farm ponds augmented available habitat (Petranka 1998). Could be increasing with increasing beaver populations (Petranka 1998).
Population Trend: Stable

Habitat and Ecology [top]

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 pond in summer or fall in some areas (e.g. montane Virginia). Eggs are attached to submerged vegetation.
Systems: Terrestrial; Freshwater

Use and Trade [top]

Use and Trade: There are no records of the species being utilized

Threats [top]

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, the species is not majorly threatened overall.

Conservation Actions [top]

Conservation Actions: None needed. It occurs in many protected areas. Monitoring and research on population trends are lacking.

Citation: IUCN SSC Amphibian Specialist Group 2014. Notophthalmus viridescens. The IUCN Red List of Threatened Species. Version 2014.3. <www.iucnredlist.org>. Downloaded on 21 December 2014.
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