Saturday 25 May
African giant toad (Amietophrynus superciliaris)
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African giant toad fact file
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African giant toad description
The African giant toad (Amietophrynus superciliaris) is a large, forest-dwelling species, with attractive colouration that provides perfect camouflage amongst the leaf litter. The yellowish upperparts resemble a fallen leaf, and are even marked with blotches and frayed edges to simulate decomposition. By contrast, the underparts are dark purple-red giving the appearance of the shadow cast by the leaf (3) (4).
- Also known as
- Cameroon toad, Congo toad.
- Bufo superciliaris. Top
- Primary forest
- Forest that has remained undisturbed for a long time and has reached a mature condition.
- Secondary forest
- Forest that has re-grown after a major disturbance, such as fire or timber harvest, but has not yet reached the mature state of primary forest.
- Relating to the science of classifying organisms, grouping together animals which share common features and are thought to have a common ancestor.
IUCN Red List (June, 2008)
CITES (June, 2008)
University of Otago (January, 2009)
World Association of Zoos and Aquariums - African giant toad (January, 2009)
- Halliday, T. and Adler, K. (2002) The New Encyclopedia of Reptile and Amphibians. Oxford University Press, Oxford.
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African giant toad biology
Little is currently known about the biology of the African giant toad. Breeding takes place in streams in areas of relatively calm water (1). After mating, in common with closely related species of the genus Bufo, the female probably deposits long strings of eggs, wrapped around underwater vegetation. Prey is likely to consist of invertebrates caught by the toad amongst the leaf-litter or in the water (5).Top
African giant toad range
Predominantly a Central African species, the African giant toad can be found from extreme south-eastern Nigeria eastwards through southern Cameroon and south-western Central African Republic to north-eastern Democratic Republic of Congo. It is also found in Equatorial Guinea, northern Congo and central Gabon. Isolated records indicate that this species occurs in West Africa in southern Ghana, south-western Côte d’Ivoire, and southern Guinea, and is likely to be found in Liberia and Sierra Leone. This disjointed range may, in part, be due to current confusion regarding this species taxonomic status. It is thought that there could actually be three separate species of the African giant toad, which have been grouped within this single species due to their similar appearance (1)Top
African giant toad habitat
Generally found at low altitudes, in Central Africa the African giant toad is mainly found in secondary forest, but also occurs in tall, primary forest, dense brush and cocoa plantations. In West Africa it is only found on the banks of larger rivers, within areas of primary forest (1)Top
African giant toad statusTop
African giant toad threats
Previously, one of the main threats to the African giant toad was overexploitation for the pet trade. Although all international trade is now prohibited, its population may have suffered an overall decline and, in addition, some low-level illegal trade may still be occurring (1).
Currently, the main threat to the African giant toad is habitat loss, as a result of the high levels of deforestation that are occurring throughout its range. Nevertheless, this species is believed to have a large population, which is not currently declining fast enough to warrant a more threatened classification (1).Top
African giant toad conservation
In order to protect the African giant toad from being overharvested for the pet trade it was listed under Appendix I of the Convention of International Trade in Endangered Species (CITES) in 1975, making all international trade in this species illegal (2). In addition, the African giant toad is found in a number of protected areas throughout its range, which will hopefully continue to provide a refuge for this beautiful species for many years to come (1).Top
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Authenticated (04/02/2009) by Dr Phil Bishop, Department of Zoology, University of Otago.
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