Opisthothylax immaculatus 


Taxonomy [top]

Kingdom Phylum Class Order Family
Animalia Chordata Amphibia Anura Hyperoliidae

Scientific Name: Opisthothylax immaculatus
Species Authority: (Boulenger, 1903)
Taxonomic Source(s): Frost, D.R. 2013. Amphibian Species of the World: an Online Reference. Version 5.6 (9 January 2013). Electronic Database. American Museum of Natural History, New York, USA. Available at:

Assessment Information [top]

Red List Category & Criteria: Least Concern ver 3.1
Year Published: 2013
Date Assessed: 2013-07-02
Assessor(s): IUCN SSC Amphibian Specialist Group
Reviewer(s): Stuart, S.N.
Contributor(s): Schiøtz, A., Amiet, J.-L. & Fretey, T.
Facilitator/Compiler(s): Morris, E.J.
Listed as Least Concern in view of its relatively wide distribution and its presumed large population.
Previously published Red List assessments:
2004 Least Concern (LC)

Geographic Range [top]

Range Description: This species ranges from the Niger Delta in southern Nigeria, through southern Cameroon, Equatorial Guinea and Gabon to the Mayombe Hills in southwestern Democratic Republic of Congo. It occurs inland at least as far east as extreme southeastern Cameroon. It presumably occurs in Congo, southwestern Central African Republic and the Cabinda Enclave of Angola, but has not yet been recorded from these countries. However Congo and the Cabinda Enclave of Angola are included in the species' distribution on the map. Its southern and eastern distributional limits in particular are poorly known, and the map should be regarded as provisional in this regard.
Countries occurrence:
Cameroon; Congo, The Democratic Republic of the; Equatorial Guinea; Gabon; Nigeria
Range Map: Click here to open the map viewer and explore range.

Population [top]

Population: It appears to be a low-density species.
Current Population Trend: Unknown
Additional data:
Population severely fragmented: Unknown

Habitat and Ecology [top]

Habitat and Ecology: It is an arboreal species of closed-canopy, undisturbed rainforest. The eggs are laid in a foam nest attached to leaves above slow-flowing streams. The larvae fall into the water and develop in the streams.
Systems: Terrestrial; Freshwater

Use and Trade [top]

Use and Trade:

There are no reports of this species being utilized.

Threats [top]

Major Threat(s): It is presumably threatened by ongoing forest loss, especially for agriculture, logging and human settlements.

Conservation Actions [top]

Conservation Actions: It presumably occurs in several protected areas, and has definitely been reported from Korup National Park in Cameroon.

Citation: IUCN SSC Amphibian Specialist Group. 2013. Opisthothylax immaculatus. The IUCN Red List of Threatened Species 2013: e.T56290A18364947. . Downloaded on 29 November 2015.
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