This species is known only from the type locality of "a small creek tributary to Río Mazaruni" (Taylor 1968) in Guyana, but the precise locality is not known. Another specimen without precise locality data also exists from Cayenne City, French Guiana (Lescure and Marty 2001). Due to these uncertainties a map of this species' distribution has not been drawn for this assessment.
Habitat and Ecology
This is presumably a subterranean species, living in lowland tropical forest.
The population status and trends of this species is unknown.
There is no information on threats to this species.
This species is not known from any protected areas.
Further research is needed into its distribution, population, ecology and threats.
Red List Status
Data Deficient (DD)
Listed as Data Deficient in view of continuing uncertainties as to its precise distribution, extent of occurrence, status, ecological requirements and threats.
IUCN SSC Amphibian Specialist Group 2018. Oscaecilia zweifeli. The IUCN Red List of Threatened Species 2018: e.T59586A120421421. .Downloaded on 20 November 2018