The common flat lizard (''Platysaurus intermedius'') is a species of
lizard
Lizards are a widespread group of squamate reptiles, with over 7,000 species, ranging across all continents except Antarctica, as well as most oceanic island chains. The group is paraphyletic since it excludes the snakes and Amphisbaenia al ...
in the
Cordylidae
Cordylidae is a family of small- to medium-sized lizards that occur in southern and eastern Africa. They are commonly known as girdled lizards, spinytail lizards, or girdle-tail lizards.
Cordylidae is closely related to the family Gerrhosauridae ...
family. This lizard has 9 subspecies, all living in southern
Africa
Africa is the world's second-largest and second-most populous continent, after Asia in both cases. At about 30.3 million km2 (11.7 million square miles) including adjacent islands, it covers 6% of Earth's total surface area ...
.
Description
The females and juveniles of all subspecies of ''P. intermedius'' have black scales, with white stripes on their backs. The bellies are brown, but the outer edges are white. Adult males have different colorations for each
subspecies.
Geography
Common flat lizards are the most widely distributed and common ''
Platysaurus
''Platysaurus'' is a genus of lizards, commonly known as flat lizards for their flat backs, in the family Cordylidae.
Geographic range
All species in the genus ''Platysaurus'' live in isolated populations in southern Africa. They are found in ...
''. These lizards live under
exfoliating
Exfoliation is the removal of dead skin cells and built-up dirt from the skin's surface. The term comes from the Latin word ''exfoliare'' (to strip off leaves). This is a regular practice within the cosmetic industry, both for its outcome of pro ...
, or weathering, rocks. Their preferred types of rock are
granite
Granite () is a coarse-grained ( phaneritic) intrusive igneous rock composed mostly of quartz, alkali feldspar, and plagioclase. It forms from magma with a high content of silica and alkali metal oxides that slowly cools and solidifies und ...
,
sandstone
Sandstone is a clastic sedimentary rock composed mainly of sand-sized (0.0625 to 2 mm) silicate grains. Sandstones comprise about 20–25% of all sedimentary rocks.
Most sandstone is composed of quartz or feldspar (both silicates ...
, and
quartzite
Quartzite is a hard, non- foliated metamorphic rock which was originally pure quartz sandstone.Essentials of Geology, 3rd Edition, Stephen Marshak, p 182 Sandstone is converted into quartzite through heating and pressure usually related to tec ...
. These lizards can be found in moderately moist
savannahs, as well as rock outcrops. It ranges throughout
Zimbabwe
Zimbabwe (), officially the Republic of Zimbabwe, is a landlocked country located in Southeast Africa, between the Zambezi and Limpopo Rivers, bordered by South Africa to the south, Botswana to the south-west, Zambia to the north, and Mozam ...
,
North Province,
Mpumalanga
Mpumalanga () is a province of South Africa. The name means "East", or literally "The Place Where the Sun Rises" in the Swazi, Xhosa, Ndebele and Zulu languages. Mpumalanga lies in eastern South Africa, bordering Eswatini and Mozambique. It ...
, southern
Malawi
Malawi (; or aláwi Tumbuka: ''Malaŵi''), officially the Republic of Malawi, is a landlocked country in Southeastern Africa that was formerly known as Nyasaland. It is bordered by Zambia to the west, Tanzania to the north and northe ...
, eastern
Botswana
Botswana (, ), officially the Republic of Botswana ( tn, Lefatshe la Botswana, label= Setswana, ), is a landlocked country in Southern Africa. Botswana is topographically flat, with approximately 70 percent of its territory being the Kal ...
,
Swaziland
Eswatini ( ; ss, eSwatini ), officially the Kingdom of Eswatini and formerly named Swaziland ( ; officially renamed in 2018), is a landlocked country in Southern Africa. It is bordered by Mozambique to its northeast and South Africa to its no ...
,
Mozambique
Mozambique (), officially the Republic of Mozambique ( pt, Moçambique or , ; ny, Mozambiki; sw, Msumbiji; ts, Muzambhiki), is a country located in southeastern Africa bordered by the Indian Ocean to the east, Tanzania to the north, Mala ...
, and northern
KwaZulu-Natal
KwaZulu-Natal (, also referred to as KZN and known as "the garden province") is a province of South Africa that was created in 1994 when the Zulu bantustan of KwaZulu ("Place of the Zulu" in Zulu) and Natal Province were merged. It is loca ...
. This area includes the
Kalahari Desert
The Kalahari Desert is a large semi-arid sandy savanna in Southern Africa extending for , covering much of Botswana, and parts of Namibia and South Africa.
It is not to be confused with the Angolan, Namibian, and South African Namib coast ...
, and several large river drainage systems.
Subspecies
Nine subspecies are recognized:
''P. i. wilhelmi''
Males of ''P. i. whilhelmi'' are green or brown on their backs. White spots are also present. Their tails begin red and change to yellow at the ends. Their bellies are mostly blue, but the centers are black. This
subspecies can be found in southern
Mpumalanga
Mpumalanga () is a province of South Africa. The name means "East", or literally "The Place Where the Sun Rises" in the Swazi, Xhosa, Ndebele and Zulu languages. Mpumalanga lies in eastern South Africa, bordering Eswatini and Mozambique. It ...
, a province of
South Africa
South Africa, officially the Republic of South Africa (RSA), is the southernmost country in Africa. It is bounded to the south by of coastline that stretch along the South Atlantic and Indian Oceans; to the north by the neighbouring count ...
. ''P. i. wilhelmi'' may not be a subspecies of ''Platysaurus intermedius'', as it possibly is closer to the Lebombo flat lizard, ''
Platysaurus lebomboensis
The Lebombo flat lizard (''Platysaurus lebomboensis'') is a species of lizard in the family Cordylidae.
Geography
The Lebombo flat lizard lives in southern Africa, including Transvaal, Swaziland, and KwaZulu-Natal, a province in South Africa. T ...
''.
Males have been found to run shorter distances and go into hiding from a predator earlier than females.
''P. i. rhodesianus''
''P.i.rhodesianus'' is one of the largest subspecies of the common flat lizard, reaching 120 mm in length. A male can either have a blue-green or a yellow-green head. The head also has three white stripes. The back color is dependent on range. For the majority of its range, the front part of its back is blue-green. The only exception is in
Mozambique
Mozambique (), officially the Republic of Mozambique ( pt, Moçambique or , ; ny, Mozambiki; sw, Msumbiji; ts, Muzambhiki), is a country located in southeastern Africa bordered by the Indian Ocean to the east, Tanzania to the north, Mala ...
, where the front part is red. In the eastern part of its range, the lower part of its back is green, and in the western part of its range, the lower part of its back is red. Tails can be either greenish or yellowish, like many other ''
Platysaurus
''Platysaurus'' is a genus of lizards, commonly known as flat lizards for their flat backs, in the family Cordylidae.
Geographic range
All species in the genus ''Platysaurus'' live in isolated populations in southern Africa. They are found in ...
'' species. Two phases for the neck and chest can occur. The first phase has a blue throat, a black collar, and a mud-colored chest. The second phase has a yellow throat, black collar, and a green or blue chest.
This race occurs in all of
Zimbabwe
Zimbabwe (), officially the Republic of Zimbabwe, is a landlocked country located in Southeast Africa, between the Zambezi and Limpopo Rivers, bordered by South Africa to the south, Botswana to the south-west, Zambia to the north, and Mozam ...
except the northeast, eastern
Botswana
Botswana (, ), officially the Republic of Botswana ( tn, Lefatshe la Botswana, label= Setswana, ), is a landlocked country in Southern Africa. Botswana is topographically flat, with approximately 70 percent of its territory being the Kal ...
, and the
Limpopo
Limpopo is the northernmost province of South Africa. It is named after the Limpopo River, which forms the province's western and northern borders. The capital and largest city in the province is Polokwane, while the provincial legislature is ...
.
''P. i. nigrescens''
''P.i. nigrescens'' is 7.5–9 cm long. The male has a black head, chin, throat, chest, and belly. Yellow scales are scattered across this lizard's body. The tail is bright orange. This subspecies occurs near the
Shoshong Hills
Shoshong is a town in Botswana, formerly the chief settlement of the eastern Bamangwato.
Physical location
Shoshong is located just north of the Tropic of Capricorn at , in the Central District of Botswana, about west of Mahalapye. The town is ...
, in northeastern
Botswana
Botswana (, ), officially the Republic of Botswana ( tn, Lefatshe la Botswana, label= Setswana, ), is a landlocked country in Southern Africa. Botswana is topographically flat, with approximately 70 percent of its territory being the Kal ...
.
''P. i. subniger''
''P. i. subniger'' is similar in size to ''P. i. rhodesianus''. The male of this subspecies has a dark green back which becomes brown or black in the rear of the back, with whitish spots. In males from
Trelawney,
Zimbabwe
Zimbabwe (), officially the Republic of Zimbabwe, is a landlocked country located in Southeast Africa, between the Zambezi and Limpopo Rivers, bordered by South Africa to the south, Botswana to the south-west, Zambia to the north, and Mozam ...
, their backs are uniform red, also with whitish spots. The tail and throat are orange (though the throat can also be yellow or white), while the chest and belly are black.
A female specimen lived 3.1 years in captivity.
''P. i. parvus''
''P. i. parvus'' is 65–75 mm long. The males has a dark green back in the anterior, but the posterior part is red-brown. The back can also have whitish spots, similar to many other ''Platysaurus'' species. The tail is a dark orange, while the throat is pale blue. The neck has two black spots on either side. This is a reduced collar. The chest and belly are blue, similar to others of the genus. This race can be found on
Blouberg, a mountain, in
Limpopo Province
Limpopo is the northernmost province of South Africa. It is named after the Limpopo River, which forms the province's western and northern borders. The capital and largest city in the province is Polokwane, while the provincial legislature is ...
.
''P. i. natalensis''
''P. i. natalansis'' occurs in
Swaziland
Eswatini ( ; ss, eSwatini ), officially the Kingdom of Eswatini and formerly named Swaziland ( ; officially renamed in 2018), is a landlocked country in Southern Africa. It is bordered by Mozambique to its northeast and South Africa to its no ...
and
KwaZulu-Natal
KwaZulu-Natal (, also referred to as KZN and known as "the garden province") is a province of South Africa that was created in 1994 when the Zulu bantustan of KwaZulu ("Place of the Zulu" in Zulu) and Natal Province were merged. It is loca ...
, a
province
A province is almost always an administrative division within a country or state. The term derives from the ancient Roman ''provincia'', which was the major territorial and administrative unit of the Roman Empire's territorial possessions outsi ...
of
South Africa
South Africa, officially the Republic of South Africa (RSA), is the southernmost country in Africa. It is bounded to the south by of coastline that stretch along the South Atlantic and Indian Oceans; to the north by the neighbouring count ...
. The back is dark green, with white spots and stripes. The tail is orange. The throat is yellow or pale blue, with black spots and a black collar. The chest and belly are two different shades of blue.
''P. i. intermedius''
''P. i. intermedius'' is 85–90 mm long, and was the first subspecies to be found.
Their heads and bodies are green or brown, along with nearly nonexistent spots and stripes. The tails are either red or yellow. Their throats and bellies are blue, as are many other males in this species.
This subspecies is found around
,
North Province.
''P. i. inopinus''
''P. i. inopinus'' males are similar to ''P. i. parvus'' in appearance and size. Two major differences are white thighs with black spotting and a lack of a reduced collar. ''P. i. inopinus ''can be found in the foothills of
Blouberg,
Northern Cape
The Northern Cape is the largest and most sparsely populated province of South Africa. It was created in 1994 when the Cape Province was split up. Its capital is Kimberley. It includes the Kalahari Gemsbok National Park, part of the Kgalagadi ...
in
South Africa
South Africa, officially the Republic of South Africa (RSA), is the southernmost country in Africa. It is bounded to the south by of coastline that stretch along the South Atlantic and Indian Oceans; to the north by the neighbouring count ...
.
''P. i. nyasae''
''P. i. nyasae'' occurs in
Malawi
Malawi (; or aláwi Tumbuka: ''Malaŵi''), officially the Republic of Malawi, is a landlocked country in Southeastern Africa that was formerly known as Nyasaland. It is bordered by Zambia to the west, Tanzania to the north and northe ...
and central
Mozambique
Mozambique (), officially the Republic of Mozambique ( pt, Moçambique or , ; ny, Mozambiki; sw, Msumbiji; ts, Muzambhiki), is a country located in southeastern Africa bordered by the Indian Ocean to the east, Tanzania to the north, Mala ...
. They were discovered in 1953.
[
]
References
External links
More information
{{Taxonbar, from=Q2716815
Platysaurus
Lizards of Africa
Reptiles of Botswana
Reptiles of Eswatini
Reptiles of Malawi
Reptiles of Mozambique
Reptiles of South Africa
Reptiles of Zimbabwe
Reptiles described in 1891
Taxa named by Paul Matschie