From the IUCN Red List Species Account:

Range Description

This species is known from the Pacific coast of western Colombia in the Choco region, from close to the Ecuador border, north to the lower Magdalena River basin in Colombia, east to the Maracaibo Lake basin in Venezuela, and from Barinas and Táchira States in Venezuela. It occurs below 1,040m asl.

Habitat and Ecology

It is found in seasonal and moist tropical lowland forests, and has not so far been found outside forest. It is not known whether or not it can survive in degraded, open areas. Its breeding system is unknown.

Population

No information is available on its abundance.

Population Trend

Unknown

Major Threats

Deforestation as a result of expanding agriculture is a potential threat, but there is not enough information to confirm this.

Conservation Actions

It probably occurs in some protected areas in Colombia and Venezuela.

Taxonomic Notes

This is a poorly circumscribed species in need of taxonomic review (M. Wilkinson pers. comm.).

Citation

Enrique La Marca, John Lynch, Fernando Castro, Mark Wilkinson 2004. Caecilia subnigricans. In: IUCN 2012