Siphonops annulatus


Taxonomy [top]

Kingdom Phylum Class Order Family

Scientific Name: Siphonops annulatus
Species Authority: (Mikan, 1820)
Common Name/s:
English Ringed Caecilia, Ringed Caecilian
Caecilia annulata Mikan, 1820
Caecilia interrupta Cuvier, 1829
Dermophis crassus Cope, 1885
Siphonops annulatus subspecies marmoratus Sawaya, 1937
Taxonomic Notes: This is a poorly circumscribed species in need of taxonomic review (M. Wilkinson pers. comm.). It is unclear that all populations within its large range are conspecific.

Assessment Information [top]

Red List Category & Criteria: Least Concern ver 3.1
Year Published: 2010
Date Assessed: 2008-11-28
Assessor/s: Esteban Lavilla, Marinus Hoogmoed, Steffen Reichle, Diego Baldo, Mark Wilkinson, John Measey
Reviewer/s: Global Amphibian Assessment Coordinating Team (Simon Stuart, Janice Chanson, Neil Cox and Bruce Young)
Listed as Least Concern in view of its wide distribution, tolerance of a broad range of habitats, presumed large population, and because it is unlikely to be declining to qualify for listing in a more threatened category.
2004 Least Concern

Geographic Range [top]

Range Description: This species is widely distributed through tropical South America east of the Andes from northern Colombia, Ecuador, Peru, Venezuela (Barinas and Portuguesa states) and the Guianas, south through most of Brazil to Paraguay and northern Argentina. In Argentina, this species is found in the southern part of Misiones. In Bolivia, it is found in Beni, La Paz, Pando and Santa Cruz. It is generally found below 800m asl.
Argentina; Bolivia, Plurinational States of; Brazil; Colombia; Ecuador; French Guiana; Guyana; Paraguay; Peru; Suriname; Venezuela, Bolivarian Republic of
Range Map: Click here to open the map viewer and explore range.

Population [top]

Population: It appears to be common in some parts of its range.
Population Trend: Unknown

Habitat and Ecology [top]

Habitat and Ecology: It is a subterranean species and can be found in humid soils in forested and open environments (including dry Caatinga savannah). It also occurs in rural gardens, plantations and other anthropogenic habitats. Reproduction is probably on the ground with parental care. It is oviparous with terrestrial eggs and direct development, and not dependent on water for breeding.
Systems: Terrestrial

Threats [top]

Major Threat(s): There are no significant threats to this species.

Conservation Actions [top]

Conservation Actions: It occurs in many protected areas.
Citation: Esteban Lavilla, Marinus Hoogmoed, Steffen Reichle, Diego Baldo, Mark Wilkinson, John Measey 2010. Siphonops annulatus. In: IUCN 2013. IUCN Red List of Threatened Species. Version 2013.2. <>. Downloaded on 19 April 2014.
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