Tuesday 21 May
Harlequin mantella (Mantella cowani)
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Harlequin mantella fact file
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Harlequin mantella description
This small, venomous frog is particularly striking, with red-orange spots on the limbs, contrasting with black skin. The underparts are dark with some light blue areas (3).
- Also known as
- Cowan’s mantella.
- Length: 22 – 30 mm (2)
- Production of sound by rubbing a file across a membrane. In insects, often a file on a wing rubs against the surface of the other wing, or the file is on a leg which is scraped on the wing.
IUCN Red List (December, 2004)
Amphibian Information Centre (July, 2010)
Amphibiaweb (December, 2004)
- Andreone, F. (2005) Pers. comm.
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Harlequin mantella biology
Very little is known of the biology of the harlequin mantella. It lays around 40 whitish, spherical eggs in damp leaves or moss (2). Active mainly in the early morning, the harlequin mantella avoids bright sunlight and spends the hottest hours of the day vocalising from within deep crevices in rocks. The short single clicks of the harlequin mantella are said to sound like a cricket’s stridulation slowed down (3).Top
Harlequin mantella range
The harlequin mantella is found only on the high plateaus of east-central Madagascar between 1,000 and 2,000 m above sea level (1).Top
Harlequin mantella habitat
A terrestrial frog species, the harlequin mantella inhabits gallery forest, along streams. It may also be found in montane grassland savanna during the rainy season. It burrows during the dry season to avoid drying out (1).Top
Harlequin mantella status
The harlequin mantella is classified as Critically Endangered (CR A2acd + B2ab(iii)) on the IUCN Red List 2004 and is listed on Appendix II of CITES (1).Top
Harlequin mantella threats
This striking frog has been massively over-exploited for the international pet trade. Populations have also declined following deforestation which has fragmented the harlequin mantella’s habitat. Remaining forest is still under threat due to the increase of subsistence agriculture, timber extraction, charcoal manufacture, livestock grazing, fires and human settlements (1). The combination of all these factors makes of the harlequin mantella the most threatened frog species of Madagascar (5).Top
Harlequin mantella conservation
The harlequin mantella is listed on Appendix II of the Convention on International Trade in Endangered Species, which allows the trade, but with the requirement of an export licence. However, the Malagasy government has banned the exportation of this species, waiting for more detailed information on its biology (5).Top
Find out more
For further information on the harlequin mantella:
Authenticated (07/02/2005) by Franco Andreone, Chair of DAPT/IUCN Madagascar.Top
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