Hoplobatrachus occipitalis


Taxonomy [top]

Kingdom Phylum Class Order Family

Scientific Name: Hoplobatrachus occipitalis
Species Authority: (Günther, 1858)
Common Name/s:
English Crowned Bullfrog
Rana occipitalis Günther, 1858
Taxonomic Notes: This species is believed to consist of at least two species (Bogart and Tandy 1981), with tetraploid populations known from the islands of Lake Victoria and from Liberia. These have not yet been formally distinguished.

Assessment Information [top]

Red List Category & Criteria: Least Concern ver 3.1
Year Published: 2004
Date Assessed: 2006-01-31
Assessor/s: Mark-Oliver Rödel, Malcolm Largen, Marius Burger, Kim Howell, Alfredo Salvador, Stefan Lötters, Ulrich Joger
Reviewer/s: Global Amphibian Assessment Coordinating Team (Simon Stuart, Janice Chanson and Neil Cox)
Listed as Least Concern in view of its wide distribution, tolerance of a wide variety of habitats, presumed large population, and because it is unlikely to be declining fast enough to qualify for listing in a more threatened category.

Geographic Range [top]

Range Description: This species of the African savannah zone ranges from southern Mauritania to Ethiopia, south through East Africa to northern Zambia, southern and western Democratic Republic of Congo, Angola, and coastal Congo and Gabon. There are isolated populations in southwestern Libyan Arab Jamahiriya, southeastern Western Sahara and nearby Mauritania, the Air mountains of Niger, and northern Mali [Adrar de Iforas]).
Algeria; Angola (Angola); Benin; Burkina Faso; Burundi; Cameroon; Central African Republic; Chad; Congo; Congo, The Democratic Republic of the; Côte d'Ivoire; Equatorial Guinea; Ethiopia; Gabon; Gambia; Ghana; Guinea; Guinea-Bissau; Kenya; Liberia; Libya; Mali; Mauritania; Morocco; Niger; Nigeria; Rwanda; Senegal; Sierra Leone; Sudan; Tanzania, United Republic of; Togo; Uganda; Western Sahara; Zambia
Range Map: Click here to open the map viewer and explore range.

Population [top]

Population: It is widespread and common over much of its range, with relict isolated populations in oases and wells in the Sahelian and Saharan regions.
Population Trend: Decreasing

Habitat and Ecology [top]

Habitat and Ecology: It lives in many habitats from dry savannahs to disturbed forest, using logging roads and rivers to penetrate deep into lowland forest. It breeds in small to medium-sized temporary waters, but not in permanent waters, since it cannot compete with fish.
Systems: Terrestrial; Freshwater

Threats [top]

Major Threat(s): Human consumption is a problem locally, especially in West and Central Africa. However, it is an adaptable species, and overall it is not significantly threatened.

Conservation Actions [top]

Conservation Actions: It occurs in many protected areas.
Citation: Mark-Oliver Rödel, Malcolm Largen, Marius Burger, Kim Howell, Alfredo Salvador, Stefan Lötters, Ulrich Joger 2004. Hoplobatrachus occipitalis. In: IUCN 2013. IUCN Red List of Threatened Species. Version 2013.2. <>. Downloaded on 21 April 2014.
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