Map_thumbnail_large_font

Thamnophis valida

Status_ne_offStatus_dd_offStatus_lc_onStatus_nt_offStatus_vu_offStatus_en_offStatus_cr_offStatus_ew_offStatus_ex_off

Taxonomy [top]

Kingdom Phylum Class Order Family
ANIMALIA CHORDATA REPTILIA SQUAMATA NATRICIDAE

Scientific Name: Thamnophis valida
Species Authority: (Kennicott, 1860)

Assessment Information [top]

Red List Category & Criteria: Least Concern ver 3.1
Year Published: 2007
Assessor/s: Ponce-Campos, P. & García Aguayo, A.
Reviewer/s: Cox, N., Chanson, J.S. & Stuart, S.N. (Global Reptile Assessment Coordinating Team)
Contributor/s:
Justification:
Listed as Least Concern because it is a wetland species with a wide range along Pacific coastal Mexico. Destruction of wetland habitat is occurring in parts of its range, however, at present it is a common and relatively widespread species that is adaptable to a range of habitats. It is not considered to be threatened at present.

Geographic Range [top]

Range Description: This species is endemic to Mexico and occurs along the Pacific coast from southern Sonora to the central coastal area of Guerrero, and part of the Balsas basin. There is an isolated population in the Cape Region of the Baja California peninsula, where it occurs in the Sierra la Laguna and from near San José del Cabo (Grismer 2002).
Countries:
Native:
Mexico
Range Map: Click here to open the map viewer and explore range.

Population [top]

Population: It is a common species, and is locally abundant in the Cape Region of the Baja California peninsula (Grsimer 2002).
Population Trend: Stable

Habitat and Ecology [top]

Habitat and Ecology: This is a semi-aquatic species. It is very adaptable and occurs in mangroves, swamps, streams, rivers, rocky canyon pools, irrigation canals, dams, marshy meadows oak woodland, and the lower parts of pine-oak woodland, always being found in association with water.
Systems: Terrestrial; Freshwater

Threats [top]

Major Threat(s): The main threat is loss of wetland habitat for small-holder farming, wood collection and human settlement. However, the species is currently widespread and relatively stable.

Conservation Actions [top]

Conservation Actions: It occurs in at least three protected wetland areas throughout its range.
Citation: Ponce-Campos, P. & García Aguayo, A. 2007. Thamnophis valida. In: IUCN 2012. IUCN Red List of Threatened Species. Version 2012.2. <www.iucnredlist.org>. Downloaded on 24 May 2013.
Disclaimer: To make use of this information, please check the <Terms of Use>.
Feedback: If you see any errors or have any questions or suggestions on what is shown on this page, please fill in the feedback form so that we can correct or extend the information provided