Hyperolius Argus
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''Hyperolius argus'', known under common names Argus reed frog, Argus sedge frog, and Boror reed frog (and many others) is a hyperolid frog found in the eastern coastal plain of Africa from southern
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Tanzania Tanzania, officially the United Republic of Tanzania, is a country in East Africa within the African Great Lakes region. It is bordered by Uganda to the northwest; Kenya to the northeast; the Indian Ocean to the east; Mozambique and Malawi to t ...
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Mozambique Mozambique, officially the Republic of Mozambique, is a country located in Southeast Africa bordered by the Indian Ocean to the east, Tanzania to the north, Malawi and Zambia to the northwest, Zimbabwe to the west, and Eswatini and South Afr ...
,
Malawi Malawi, officially the Republic of Malawi, is a landlocked country in Southeastern Africa. It is bordered by Zambia to the west, Tanzania to the north and northeast, and Mozambique to the east, south, and southwest. Malawi spans over and ...
,
Zimbabwe file:Zimbabwe, relief map.jpg, upright=1.22, Zimbabwe, relief map Zimbabwe, officially the Republic of Zimbabwe, is a landlocked country in Southeast Africa, between the Zambezi and Limpopo Rivers, bordered by South Africa to the south, Bots ...
to
KwaZulu-Natal KwaZulu-Natal (, also referred to as KZN) is a Provinces of South Africa, province of South Africa that was created in 1994 when the government merged the Zulu people, Zulu bantustan of KwaZulu ("Place of the Zulu" in Zulu language, Zulu) and ...
in eastern
South Africa South Africa, officially the Republic of South Africa (RSA), is the Southern Africa, southernmost country in Africa. Its Provinces of South Africa, nine provinces are bounded to the south by of coastline that stretches along the Atlantic O ...
.


Description

''Hyperolius argus'' is sexually dichromatic: adult males are usually green, and females usually reddish-brown with large white spots. The coloration and pattern show geographic variation. Both females and males metamorphose to a solid green color without spots—the color of adult males. Under experimental conditions, the time from metamorphosis to the change to a female color pattern took about two months; for a male, the time from metamorphosis to the development of vocal sacs, with spontaneous vocalization and aggression, was about three months. The females attach the eggs to vegetation below the surface of the water (possibly caused by raising water level). The female can lay in total about 200 eggs in clusters of about 30 eggs.


Habitat and conservation

''Hyperolius argus'' is a common species living near water in low elevation dense, humid savanna and grassland. Breeding takes place in vegetated shallow pans,
vlei A vlei (; ) is a shallow minor lake, mostly of a seasonal or intermittent lake, intermittent nature. It even might refer to seasonal ponds or marshy patches where frogs and similar marsh dwellers breed. Commonly, vleis vary in their extent, or e ...
s and
marsh In ecology, a marsh is a wetland that is dominated by herbaceous plants rather than by woody plants.Keddy, P.A. 2010. Wetland Ecology: Principles and Conservation (2nd edition). Cambridge University Press, Cambridge, UK. 497 p More in genera ...
es, typically in temporary water. Even though this species does not face major threats, it is affected by urban expansion,
agricultural Agriculture encompasses crop and livestock production, aquaculture, and forestry for food and non-food products. Agriculture was a key factor in the rise of sedentary human civilization, whereby farming of domesticated species created f ...
intensification, and introduced species (
bass Bass or Basses may refer to: Fish * Bass (fish), various saltwater and freshwater species Wood * Bass or basswood, the wood of the tilia americana tree Music * Bass (sound), describing low-frequency sound or one of several instruments in th ...
).


Gallery

Image:Hyperolius argus Al-ReedFrogs 01.jpg, Female reed frogs of different patterns Image:Hyperolius argus Al-ReedFrogs 02.jpg, Male reed frog


References

{{Taxonbar, from=Q1882659 Argus Amphibians of Kenya Amphibians of Malawi Amphibians of Mozambique Amphibians of Somalia Amphibians of South Africa Amphibians of Tanzania Amphibians of Zimbabwe Amphibians described in 1854 Taxa named by Wilhelm Peters